14#include "ruby/internal/config.h"
42# define EXIT_SUCCESS 0
46# define EXIT_FAILURE 1
53#ifdef HAVE_SYS_RESOURCE_H
54# include <sys/resource.h>
61#ifdef HAVE_SYS_PARAM_H
62# include <sys/param.h>
66# define MAXPATHLEN 1024
75#ifdef HAVE_SYS_TIMES_H
76# include <sys/times.h>
86int initgroups(
const char *, rb_gid_t);
95# include <mach/mach_time.h>
101#include "internal/bits.h"
102#include "internal/dir.h"
103#include "internal/error.h"
104#include "internal/eval.h"
105#include "internal/hash.h"
106#include "internal/io.h"
107#include "internal/numeric.h"
108#include "internal/object.h"
109#include "internal/process.h"
110#include "internal/thread.h"
111#include "internal/variable.h"
112#include "internal/warnings.h"
125#define open rb_w32_uopen
128#if defined(HAVE_TIMES) || defined(_WIN32)
135static VALUE rb_cProcessTms;
139#define WIFEXITED(w) (((w) & 0xff) == 0)
142#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
145#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
148#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
151#define WTERMSIG(w) ((w) & 0x7f)
154#define WSTOPSIG WEXITSTATUS
157#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
158#define HAVE_44BSD_SETUID 1
159#define HAVE_44BSD_SETGID 1
167#ifdef BROKEN_SETREUID
168#define setreuid ruby_setreuid
169int setreuid(rb_uid_t ruid, rb_uid_t euid);
171#ifdef BROKEN_SETREGID
172#define setregid ruby_setregid
173int setregid(rb_gid_t rgid, rb_gid_t egid);
176#if defined(HAVE_44BSD_SETUID) || defined(__APPLE__)
177#if !defined(USE_SETREUID) && !defined(BROKEN_SETREUID)
178#define OBSOLETE_SETREUID 1
180#if !defined(USE_SETREGID) && !defined(BROKEN_SETREGID)
181#define OBSOLETE_SETREGID 1
185static void check_uid_switch(
void);
186static void check_gid_switch(
void);
187static int exec_async_signal_safe(
const struct rb_execarg *,
char *,
size_t);
189VALUE rb_envtbl(
void);
190VALUE rb_env_to_hash(
void);
193#define p_uid_from_name p_uid_from_name
194#define p_gid_from_name p_gid_from_name
197#if defined(HAVE_UNISTD_H)
198# if defined(HAVE_GETLOGIN_R)
199# define USE_GETLOGIN_R 1
200# define GETLOGIN_R_SIZE_DEFAULT 0x100
201# define GETLOGIN_R_SIZE_LIMIT 0x1000
202# if defined(_SC_LOGIN_NAME_MAX)
203# define GETLOGIN_R_SIZE_INIT sysconf(_SC_LOGIN_NAME_MAX)
205# define GETLOGIN_R_SIZE_INIT GETLOGIN_R_SIZE_DEFAULT
207# elif defined(HAVE_GETLOGIN)
208# define USE_GETLOGIN 1
212#if defined(HAVE_PWD_H)
213# if defined(HAVE_GETPWUID_R)
214# define USE_GETPWUID_R 1
215# elif defined(HAVE_GETPWUID)
216# define USE_GETPWUID 1
218# if defined(HAVE_GETPWNAM_R)
219# define USE_GETPWNAM_R 1
220# elif defined(HAVE_GETPWNAM)
221# define USE_GETPWNAM 1
223# if defined(HAVE_GETPWNAM_R) || defined(HAVE_GETPWUID_R)
224# define GETPW_R_SIZE_DEFAULT 0x1000
225# define GETPW_R_SIZE_LIMIT 0x10000
226# if defined(_SC_GETPW_R_SIZE_MAX)
227# define GETPW_R_SIZE_INIT sysconf(_SC_GETPW_R_SIZE_MAX)
229# define GETPW_R_SIZE_INIT GETPW_R_SIZE_DEFAULT
232# ifdef USE_GETPWNAM_R
233# define PREPARE_GETPWNAM \
235# define FINISH_GETPWNAM \
236 (getpw_buf ? (void)rb_str_resize(getpw_buf, 0) : (void)0)
237# define OBJ2UID1(id) obj2uid((id), &getpw_buf)
238# define OBJ2UID(id) obj2uid0(id)
239static rb_uid_t obj2uid(
VALUE id,
VALUE *getpw_buf);
240static inline rb_uid_t
250# define PREPARE_GETPWNAM
251# define FINISH_GETPWNAM
252# define OBJ2UID1(id) obj2uid((id))
253# define OBJ2UID(id) obj2uid((id))
254static rb_uid_t obj2uid(
VALUE id);
257# define PREPARE_GETPWNAM
258# define FINISH_GETPWNAM
259# define OBJ2UID1(id) NUM2UIDT(id)
260# define OBJ2UID(id) NUM2UIDT(id)
261# ifdef p_uid_from_name
262# undef p_uid_from_name
263# define p_uid_from_name rb_f_notimplement
267#if defined(HAVE_GRP_H)
268# if defined(HAVE_GETGRNAM_R) && defined(_SC_GETGR_R_SIZE_MAX)
269# define USE_GETGRNAM_R
270# define GETGR_R_SIZE_INIT sysconf(_SC_GETGR_R_SIZE_MAX)
271# define GETGR_R_SIZE_DEFAULT 0x1000
272# define GETGR_R_SIZE_LIMIT 0x10000
274# ifdef USE_GETGRNAM_R
275# define PREPARE_GETGRNAM \
277# define FINISH_GETGRNAM \
278 (getgr_buf ? (void)rb_str_resize(getgr_buf, 0) : (void)0)
279# define OBJ2GID1(id) obj2gid((id), &getgr_buf)
280# define OBJ2GID(id) obj2gid0(id)
281static rb_gid_t obj2gid(
VALUE id,
VALUE *getgr_buf);
282static inline rb_gid_t
291static rb_gid_t obj2gid(
VALUE id,
VALUE *getgr_buf);
293# define PREPARE_GETGRNAM
294# define FINISH_GETGRNAM
295# define OBJ2GID1(id) obj2gid((id))
296# define OBJ2GID(id) obj2gid((id))
297static rb_gid_t obj2gid(
VALUE id);
300# define PREPARE_GETGRNAM
301# define FINISH_GETGRNAM
302# define OBJ2GID1(id) NUM2GIDT(id)
303# define OBJ2GID(id) NUM2GIDT(id)
304# ifdef p_gid_from_name
305# undef p_gid_from_name
306# define p_gid_from_name rb_f_notimplement
310#if SIZEOF_CLOCK_T == SIZEOF_INT
311typedef unsigned int unsigned_clock_t;
312#elif SIZEOF_CLOCK_T == SIZEOF_LONG
313typedef unsigned long unsigned_clock_t;
314#elif defined(HAVE_LONG_LONG) && SIZEOF_CLOCK_T == SIZEOF_LONG_LONG
315typedef unsigned LONG_LONG unsigned_clock_t;
318typedef void (*sig_t) (int);
321#define id_exception idException
322static ID id_in, id_out, id_err, id_pid, id_uid, id_gid;
323static ID id_close, id_child;
328static ID id_new_pgroup;
330static ID id_unsetenv_others, id_chdir, id_umask, id_close_others;
331static ID id_nanosecond, id_microsecond, id_millisecond, id_second;
332static ID id_float_microsecond, id_float_millisecond, id_float_second;
333static ID id_GETTIMEOFDAY_BASED_CLOCK_REALTIME, id_TIME_BASED_CLOCK_REALTIME;
335static ID id_CLOCK_REALTIME;
336# define RUBY_CLOCK_REALTIME ID2SYM(id_CLOCK_REALTIME)
338#ifdef CLOCK_MONOTONIC
339static ID id_CLOCK_MONOTONIC;
340# define RUBY_CLOCK_MONOTONIC ID2SYM(id_CLOCK_MONOTONIC)
342#ifdef CLOCK_PROCESS_CPUTIME_ID
343static ID id_CLOCK_PROCESS_CPUTIME_ID;
344# define RUBY_CLOCK_PROCESS_CPUTIME_ID ID2SYM(id_CLOCK_PROCESS_CPUTIME_ID)
346#ifdef CLOCK_THREAD_CPUTIME_ID
347static ID id_CLOCK_THREAD_CPUTIME_ID;
348# define RUBY_CLOCK_THREAD_CPUTIME_ID ID2SYM(id_CLOCK_THREAD_CPUTIME_ID)
351static ID id_TIMES_BASED_CLOCK_MONOTONIC;
352static ID id_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID;
355static ID id_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID;
357static ID id_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID;
359static ID id_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC;
360# define RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC ID2SYM(id_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC)
364static rb_pid_t cached_pid;
367#if defined(__sun) && !defined(_XPG7)
368#define execv(path, argv) (rb_async_bug_errno("unreachable: async-signal-unsafe execv() is called", 0))
369#define execl(path, arg0, arg1, arg2, term) do { extern char **environ; execle((path), (arg0), (arg1), (arg2), (term), (environ)); } while (0)
370#define ALWAYS_NEED_ENVP 1
372#define ALWAYS_NEED_ENVP 0
376assert_close_on_exec(
int fd)
379#if defined(HAVE_FCNTL) && defined(F_GETFD) && defined(FD_CLOEXEC)
380 int flags = fcntl(fd, F_GETFD);
382 static const char m[] =
"reserved FD closed unexpectedly?\n";
383 (void)!write(2, m,
sizeof(m) - 1);
386 if (flags & FD_CLOEXEC)
return;
387 rb_bug(
"reserved FD did not have close-on-exec set");
389 rb_bug(
"reserved FD without close-on-exec support");
395close_unless_reserved(
int fd)
398 assert_close_on_exec(fd);
405#if defined(DEBUG_REDIRECT)
408ttyprintf(
const char *fmt, ...)
414 tty = fopen(
"con",
"w");
416 tty = fopen(
"/dev/tty",
"w");
422 vfprintf(tty, fmt, ap);
429redirect_dup(
int oldfd)
433 ttyprintf(
"dup(%d) => %d\n", oldfd, ret);
438redirect_dup2(
int oldfd,
int newfd)
441 ret = dup2(oldfd, newfd);
442 ttyprintf(
"dup2(%d, %d) => %d\n", oldfd, newfd, ret);
447redirect_cloexec_dup(
int oldfd)
451 ttyprintf(
"cloexec_dup(%d) => %d\n", oldfd, ret);
456redirect_cloexec_dup2(
int oldfd,
int newfd)
460 ttyprintf(
"cloexec_dup2(%d, %d) => %d\n", oldfd, newfd, ret);
465redirect_close(
int fd)
468 ret = close_unless_reserved(fd);
469 ttyprintf(
"close(%d) => %d\n", fd, ret);
474parent_redirect_open(
const char *pathname,
int flags, mode_t perm)
478 ttyprintf(
"parent_open(\"%s\", 0x%x, 0%o) => %d\n", pathname, flags, perm, ret);
483parent_redirect_close(
int fd)
486 ret = close_unless_reserved(fd);
487 ttyprintf(
"parent_close(%d) => %d\n", fd, ret);
492#define redirect_dup(oldfd) dup(oldfd)
493#define redirect_dup2(oldfd, newfd) dup2((oldfd), (newfd))
494#define redirect_cloexec_dup(oldfd) rb_cloexec_dup(oldfd)
495#define redirect_cloexec_dup2(oldfd, newfd) rb_cloexec_dup2((oldfd), (newfd))
496#define redirect_close(fd) close_unless_reserved(fd)
497#define parent_redirect_open(pathname, flags, perm) rb_cloexec_open((pathname), (flags), (perm))
498#define parent_redirect_close(fd) close_unless_reserved(fd)
504 if (UNLIKELY(!cached_pid)) {
505 cached_pid = getpid();
511#if defined HAVE_WORKING_FORK || defined HAVE_DAEMON
585static VALUE rb_cProcessStatus;
594 .wrap_struct_name =
"Process::Status",
600 .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_EMBEDDABLE,
604rb_process_status_allocate(
VALUE klass)
613 return GET_THREAD()->last_status;
639proc_s_last_status(
VALUE mod)
645rb_process_status_new(rb_pid_t pid,
int status,
int error)
647 VALUE last_status = rb_process_status_allocate(rb_cProcessStatus);
650 data->status = status;
658process_status_dump(
VALUE status)
671process_status_load(
VALUE real_obj,
VALUE load_obj)
674 VALUE status = rb_attr_get(load_obj, id_status);
675 VALUE pid = rb_attr_get(load_obj, id_pid);
684 GET_THREAD()->last_status = rb_process_status_new(pid, status, 0);
688last_status_clear(rb_thread_t *th)
690 th->last_status =
Qnil;
694rb_last_status_clear(
void)
696 last_status_clear(GET_THREAD());
708pst_status(
VALUE status)
728 int status = pst_status(self);
732#define PST2INT(st) pst_status(st)
748 rb_pid_t pid = pst_pid(self);
752static VALUE pst_message_status(
VALUE str,
int status);
755pst_message(
VALUE str, rb_pid_t pid,
int status)
757 rb_str_catf(str,
"pid %ld", (
long)pid);
758 pst_message_status(str, status);
762pst_message_status(
VALUE str,
int status)
764 if (WIFSTOPPED(status)) {
765 int stopsig = WSTOPSIG(status);
768 rb_str_catf(str,
" stopped SIG%s (signal %d)", signame, stopsig);
771 rb_str_catf(str,
" stopped signal %d", stopsig);
774 if (WIFSIGNALED(status)) {
775 int termsig = WTERMSIG(status);
778 rb_str_catf(str,
" SIG%s (signal %d)", signame, termsig);
781 rb_str_catf(str,
" signal %d", termsig);
784 if (WIFEXITED(status)) {
785 rb_str_catf(str,
" exit %d", WEXITSTATUS(status));
788 if (WCOREDUMP(status)) {
816 status = PST2INT(st);
819 pst_message(str, pid, status);
846 status = PST2INT(st);
849 pst_message(str, pid, status);
871 if (st1 == st2)
return Qtrue;
872 return rb_equal(pst_to_i(st1), st2);
897 int status = PST2INT(st1);
901 rb_raise(rb_eArgError,
"negative mask value: %d", mask);
903#define WARN_SUGGEST(suggest) \
904 rb_warn_deprecated_to_remove_at(3.5, "Process::Status#&", suggest)
908 WARN_SUGGEST(
"Process::Status#coredump?");
911 WARN_SUGGEST(
"Process::Status#signaled? or Process::Status#termsig");
914 WARN_SUGGEST(
"Process::Status#exited?, Process::Status#stopped? or Process::Status#coredump?");
917 WARN_SUGGEST(
"Process::Status#exitstatus or Process::Status#stopsig");
920 WARN_SUGGEST(
"other Process::Status predicates");
952 int status = PST2INT(st1);
956 rb_raise(rb_eArgError,
"negative shift value: %d", places);
958#define WARN_SUGGEST(suggest) \
959 rb_warn_deprecated_to_remove_at(3.5, "Process::Status#>>", suggest)
963 WARN_SUGGEST(
"Process::Status#coredump?");
966 WARN_SUGGEST(
"Process::Status#exitstatus or Process::Status#stopsig");
969 WARN_SUGGEST(
"other Process::Status attributes");
989pst_wifstopped(
VALUE st)
991 int status = PST2INT(st);
993 return RBOOL(WIFSTOPPED(status));
1006pst_wstopsig(
VALUE st)
1008 int status = PST2INT(st);
1010 if (WIFSTOPPED(status))
1011 return INT2NUM(WSTOPSIG(status));
1025pst_wifsignaled(
VALUE st)
1027 int status = PST2INT(st);
1029 return RBOOL(WIFSIGNALED(status));
1042pst_wtermsig(
VALUE st)
1044 int status = PST2INT(st);
1046 if (WIFSIGNALED(status))
1047 return INT2NUM(WTERMSIG(status));
1062pst_wifexited(
VALUE st)
1064 int status = PST2INT(st);
1066 return RBOOL(WIFEXITED(status));
1084pst_wexitstatus(
VALUE st)
1086 int status = PST2INT(st);
1088 if (WIFEXITED(status))
1089 return INT2NUM(WEXITSTATUS(status));
1107pst_success_p(
VALUE st)
1109 int status = PST2INT(st);
1111 if (!WIFEXITED(status))
1113 return RBOOL(WEXITSTATUS(status) == EXIT_SUCCESS);
1128pst_wcoredump(
VALUE st)
1131 int status = PST2INT(st);
1133 return RBOOL(WCOREDUMP(status));
1140do_waitpid(rb_pid_t pid,
int *st,
int flags)
1142#if defined HAVE_WAITPID
1143 return waitpid(pid, st, flags);
1144#elif defined HAVE_WAIT4
1145 return wait4(pid, st, flags, NULL);
1147# error waitpid or wait4 is required.
1152 struct ccan_list_node wnode;
1153 rb_execution_context_t *ec;
1154 rb_nativethread_cond_t *cond;
1163waitpid_state_init(
struct waitpid_state *w, rb_pid_t pid,
int options)
1167 w->options = options;
1173waitpid_blocking_no_SIGCHLD(
void *x)
1177 w->ret = do_waitpid(w->pid, &w->status, w->options);
1185 if (w->options & WNOHANG) {
1186 w->ret = do_waitpid(w->pid, &w->status, w->options);
1191 }
while (w->ret < 0 &&
errno == EINTR && (RUBY_VM_CHECK_INTS(w->ec),1));
1201 if (!(flags & WNOHANG)) {
1203 if (scheduler !=
Qnil) {
1205 if (!UNDEF_P(result))
return result;
1252rb_process_status_waitv(
int argc,
VALUE *argv,
VALUE _)
1274 if (
NIL_P(status))
return 0;
1279 if (st) *st = data->status;
1282 errno = data->error;
1285 GET_THREAD()->last_status = status;
1292proc_wait(
int argc,
VALUE *argv)
1304 if (argc == 2 && !
NIL_P(vflags = argv[1])) {
1309 if ((pid =
rb_waitpid(pid, &status, flags)) < 0)
1313 rb_last_status_clear();
1470 return proc_wait(c, v);
1490 VALUE pid = proc_wait(argc, argv);
1518 result = rb_ary_new();
1519 rb_last_status_clear();
1534static VALUE rb_cWaiter;
1537detach_process_pid(
VALUE thread)
1543detach_process_watcher(
void *arg)
1545 rb_pid_t cpid, pid = (rb_pid_t)(
VALUE)arg;
1548 while ((cpid =
rb_waitpid(pid, &status, 0)) == 0) {
1559 RBASIC_SET_CLASS(watcher, rb_cWaiter);
1611before_exec_async_signal_safe(
void)
1616before_exec_non_async_signal_safe(
void)
1627 rb_thread_stop_timer_thread();
1630#define WRITE_CONST(fd, str) (void)(write((fd),(str),sizeof(str)-1)<0)
1632int rb_w32_set_nonblock2(
int fd,
int nonblock);
1639 return rb_w32_set_nonblock2(fd, 0);
1640#elif defined(F_GETFL) && defined(F_SETFL)
1641 int fl = fcntl(fd, F_GETFL);
1644 if (fl == -1)
return fl;
1645 if (fl & O_NONBLOCK) {
1647 return fcntl(fd, F_SETFL, fl);
1654stdfd_clear_nonblock(
void)
1658 for (fd = 0; fd < 3; fd++) {
1659 (void)set_blocking(fd);
1666 before_exec_non_async_signal_safe();
1667 before_exec_async_signal_safe();
1673 rb_thread_reset_timer_thread();
1674 rb_thread_start_timer_thread();
1677#if defined HAVE_WORKING_FORK || defined HAVE_DAEMON
1679before_fork_ruby(
void)
1681 rb_gc_before_fork();
1686after_fork_ruby(rb_pid_t pid)
1688 rb_gc_after_fork(pid);
1702#if defined(HAVE_WORKING_FORK)
1704COMPILER_WARNING_PUSH
1705#if __has_warning("-Wdeprecated-declarations") || RBIMPL_COMPILER_IS(GCC)
1706COMPILER_WARNING_IGNORED(-Wdeprecated-declarations)
1708static inline rb_pid_t
1716#define try_with_sh(err, prog, argv, envp) ((err == ENOEXEC) ? exec_with_sh((prog), (argv), (envp)) : (void)0)
1718exec_with_sh(
const char *prog,
char **argv,
char **envp)
1720 *argv = (
char *)prog;
1721 *--argv = (
char *)
"sh";
1723 execve(
"/bin/sh", argv, envp);
1725 execv(
"/bin/sh", argv);
1729#define try_with_sh(err, prog, argv, envp) (void)0
1734proc_exec_cmd(
const char *prog,
VALUE argv_str,
VALUE envp_str)
1742 argv = ARGVSTR2ARGV(argv_str);
1749 rb_w32_uaspawn(P_OVERLAY, prog, argv);
1752 envp = envp_str ? RB_IMEMO_TMPBUF_PTR(envp_str) : NULL;
1754 execve(prog, argv, envp);
1758 try_with_sh(err, prog, argv, envp);
1765proc_exec_sh(
const char *str,
VALUE envp_str)
1770 while (*s ==
' ' || *s ==
'\t' || *s ==
'\n')
1778 rb_w32_uspawn(P_OVERLAY, (
char *)str, 0);
1779#elif defined(__CYGWIN32__)
1781 char fbuf[MAXPATHLEN];
1782 char *shell = dln_find_exe_r(
"sh", 0, fbuf,
sizeof(fbuf));
1785 execl(shell,
"sh",
"-c", str, (
char *) NULL);
1787 status = system(str);
1793 execle(
"/bin/sh",
"sh",
"-c", str, (
char *)NULL, RB_IMEMO_TMPBUF_PTR(envp_str));
1795 execl(
"/bin/sh",
"sh",
"-c", str, (
char *)NULL);
1805 ret = proc_exec_sh(str,
Qfalse);
1812mark_exec_arg(
void *ptr)
1815 if (eargp->use_shell)
1816 rb_gc_mark(eargp->invoke.sh.shell_script);
1818 rb_gc_mark(eargp->invoke.cmd.command_name);
1819 rb_gc_mark(eargp->invoke.cmd.command_abspath);
1820 rb_gc_mark(eargp->invoke.cmd.argv_str);
1821 rb_gc_mark(eargp->invoke.cmd.argv_buf);
1823 rb_gc_mark(eargp->redirect_fds);
1824 rb_gc_mark(eargp->envp_str);
1825 rb_gc_mark(eargp->envp_buf);
1826 rb_gc_mark(eargp->dup2_tmpbuf);
1827 rb_gc_mark(eargp->rlimit_limits);
1828 rb_gc_mark(eargp->fd_dup2);
1829 rb_gc_mark(eargp->fd_close);
1830 rb_gc_mark(eargp->fd_open);
1831 rb_gc_mark(eargp->fd_dup2_child);
1832 rb_gc_mark(eargp->env_modification);
1833 rb_gc_mark(eargp->path_env);
1834 rb_gc_mark(eargp->chdir_dir);
1838memsize_exec_arg(
const void *ptr)
1846 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_EMBEDDABLE
1850# define DEFAULT_PROCESS_ENCODING rb_utf8_encoding()
1852#ifdef DEFAULT_PROCESS_ENCODING
1853# define EXPORT_STR(str) rb_str_export_to_enc((str), DEFAULT_PROCESS_ENCODING)
1854# define EXPORT_DUP(str) export_dup(str)
1856export_dup(
VALUE str)
1858 VALUE newstr = EXPORT_STR(str);
1863# define EXPORT_STR(str) (str)
1864# define EXPORT_DUP(str) rb_str_dup(str)
1867#if !defined(HAVE_WORKING_FORK) && defined(HAVE_SPAWNV)
1868# define USE_SPAWNV 1
1870# define USE_SPAWNV 0
1873# define P_NOWAIT _P_NOWAIT
1878#define proc_spawn_cmd_internal(argv, prog) rb_w32_uaspawn(P_NOWAIT, (prog), (argv))
1881proc_spawn_cmd_internal(
char **argv,
char *prog)
1883 char fbuf[MAXPATHLEN];
1888 prog = dln_find_exe_r(prog, 0, fbuf,
sizeof(fbuf));
1893 status = spawnv(P_NOWAIT, prog, (
const char **)argv);
1894 if (status == -1 &&
errno == ENOEXEC) {
1895 *argv = (
char *)prog;
1896 *--argv = (
char *)
"sh";
1897 status = spawnv(P_NOWAIT,
"/bin/sh", (
const char **)argv);
1899 if (status == -1)
errno = ENOEXEC;
1913 if (eargp->new_pgroup_given && eargp->new_pgroup_flag) {
1914 flags = CREATE_NEW_PROCESS_GROUP;
1916 pid = rb_w32_uaspawn_flags(P_NOWAIT, prog ? RSTRING_PTR(prog) : 0, argv, flags);
1918 pid = proc_spawn_cmd_internal(argv, prog ? RSTRING_PTR(prog) : 0);
1925#define proc_spawn_sh(str) rb_w32_uspawn(P_NOWAIT, (str), 0)
1928proc_spawn_sh(
char *str)
1930 char fbuf[MAXPATHLEN];
1933 char *shell = dln_find_exe_r(
"sh", 0, fbuf,
sizeof(fbuf));
1935 status = spawnl(P_NOWAIT, (shell ? shell :
"/bin/sh"),
"sh",
"-c", str, (
char*)NULL);
1945 RBASIC_CLEAR_CLASS(obj);
1950check_exec_redirect_fd(
VALUE v,
int iskey)
1961 else if (
id == id_out)
1963 else if (
id == id_err)
1972 rb_raise(rb_eArgError,
"duplex IO redirection");
1979 rb_raise(rb_eArgError,
"negative file descriptor");
1982 else if (fd >= 3 && iskey) {
1983 rb_raise(rb_eArgError,
"wrong file descriptor (%d)", fd);
1989 rb_raise(rb_eArgError,
"wrong exec redirect");
1997 ary = hide_obj(rb_ary_new());
2000 VALUE fd = check_exec_redirect_fd(key, !
NIL_P(param));
2001 rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
2007 VALUE fd = check_exec_redirect_fd(v, !
NIL_P(param));
2008 rb_ary_push(ary, hide_obj(rb_assoc_new(fd, param)));
2018 VALUE path, flags, perm;
2022 switch (
TYPE(val)) {
2025 if (
id == id_close) {
2027 eargp->fd_close = check_exec_redirect1(eargp->fd_close, key, param);
2029 else if (
id == id_in) {
2031 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
2033 else if (
id == id_out) {
2035 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
2037 else if (
id == id_err) {
2039 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
2042 rb_raise(rb_eArgError,
"wrong exec redirect symbol: %"PRIsVALUE,
2049 val = check_exec_redirect_fd(val, 0);
2053 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
2057 path = rb_ary_entry(val, 0);
2059 path ==
ID2SYM(id_child)) {
2060 param = check_exec_redirect_fd(rb_ary_entry(val, 1), 0);
2061 eargp->fd_dup2_child = check_exec_redirect1(eargp->fd_dup2_child, key, param);
2065 flags = rb_ary_entry(val, 1);
2072 perm = rb_ary_entry(val, 2);
2074 param = hide_obj(
rb_ary_new3(4, hide_obj(EXPORT_DUP(path)),
2075 flags, perm,
Qnil));
2076 eargp->fd_open = check_exec_redirect1(eargp->fd_open, key, param);
2084 key = check_exec_redirect_fd(key, 1);
2086 flags =
INT2NUM(O_WRONLY|O_CREAT|O_TRUNC);
2091 VALUE fd = check_exec_redirect_fd(v, 1);
2095 flags =
INT2NUM(O_WRONLY|O_CREAT|O_TRUNC);
2102 param = hide_obj(
rb_ary_new3(4, hide_obj(EXPORT_DUP(path)),
2103 flags, perm,
Qnil));
2104 eargp->fd_open = check_exec_redirect1(eargp->fd_open, key, param);
2110 if (!
NIL_P(val))
goto io;
2111 rb_raise(rb_eArgError,
"wrong exec redirect action");
2116#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
2117static int rlimit_type_by_sym(
VALUE key);
2120rb_execarg_addopt_rlimit(
struct rb_execarg *eargp,
int rtype,
VALUE val)
2122 VALUE ary = eargp->rlimit_limits;
2123 VALUE tmp, softlim, hardlim;
2124 if (eargp->rlimit_limits ==
Qfalse)
2125 ary = eargp->rlimit_limits = hide_obj(rb_ary_new());
2127 ary = eargp->rlimit_limits;
2128 tmp = rb_check_array_type(val);
2131 softlim = hardlim =
rb_to_int(rb_ary_entry(tmp, 0));
2133 softlim =
rb_to_int(rb_ary_entry(tmp, 0));
2134 hardlim =
rb_to_int(rb_ary_entry(tmp, 1));
2137 rb_raise(rb_eArgError,
"wrong exec rlimit option");
2144 rb_ary_push(ary, tmp);
2148#define TO_BOOL(val, name) (NIL_P(val) ? 0 : rb_bool_expected((val), name, TRUE))
2152 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2156 switch (
TYPE(key)) {
2158#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
2160 int rtype = rlimit_type_by_sym(key);
2162 rb_execarg_addopt_rlimit(eargp, rtype, val);
2170 if (
id == id_pgroup) {
2172 if (eargp->pgroup_given) {
2173 rb_raise(rb_eArgError,
"pgroup option specified twice");
2177 else if (val ==
Qtrue)
2182 rb_raise(rb_eArgError,
"negative process group ID : %ld", (
long)pgroup);
2185 eargp->pgroup_given = 1;
2186 eargp->pgroup_pgid = pgroup;
2191 if (
id == id_new_pgroup) {
2192 if (eargp->new_pgroup_given) {
2193 rb_raise(rb_eArgError,
"new_pgroup option specified twice");
2195 eargp->new_pgroup_given = 1;
2196 eargp->new_pgroup_flag = TO_BOOL(val,
"new_pgroup");
2200 if (
id == id_unsetenv_others) {
2201 if (eargp->unsetenv_others_given) {
2202 rb_raise(rb_eArgError,
"unsetenv_others option specified twice");
2204 eargp->unsetenv_others_given = 1;
2205 eargp->unsetenv_others_do = TO_BOOL(val,
"unsetenv_others");
2207 else if (
id == id_chdir) {
2208 if (eargp->chdir_given) {
2209 rb_raise(rb_eArgError,
"chdir option specified twice");
2212 val = rb_str_encode_ospath(val);
2213 eargp->chdir_given = 1;
2214 eargp->chdir_dir = hide_obj(EXPORT_DUP(val));
2216 else if (
id == id_umask) {
2218 if (eargp->umask_given) {
2219 rb_raise(rb_eArgError,
"umask option specified twice");
2221 eargp->umask_given = 1;
2222 eargp->umask_mask = cmask;
2224 else if (
id == id_close_others) {
2225 if (eargp->close_others_given) {
2226 rb_raise(rb_eArgError,
"close_others option specified twice");
2228 eargp->close_others_given = 1;
2229 eargp->close_others_do = TO_BOOL(val,
"close_others");
2231 else if (
id == id_in) {
2235 else if (
id == id_out) {
2239 else if (
id == id_err) {
2243 else if (
id == id_uid) {
2245 if (eargp->uid_given) {
2246 rb_raise(rb_eArgError,
"uid option specified twice");
2250 eargp->uid = OBJ2UID(val);
2251 eargp->uid_given = 1;
2255 "uid option is unimplemented on this machine");
2258 else if (
id == id_gid) {
2260 if (eargp->gid_given) {
2261 rb_raise(rb_eArgError,
"gid option specified twice");
2265 eargp->gid = OBJ2GID(val);
2266 eargp->gid_given = 1;
2270 "gid option is unimplemented on this machine");
2273 else if (
id == id_exception) {
2274 if (eargp->exception_given) {
2275 rb_raise(rb_eArgError,
"exception option specified twice");
2277 eargp->exception_given = 1;
2278 eargp->exception = TO_BOOL(val,
"exception");
2289 check_exec_redirect(key, val, eargp);
2301check_exec_options_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2306 if (rb_execarg_addopt(execarg_obj, key, val) != ST_CONTINUE) {
2308 rb_raise(rb_eArgError,
"wrong exec option symbol: % "PRIsVALUE,
2310 rb_raise(rb_eArgError,
"wrong exec option");
2316check_exec_options_i_extract(st_data_t st_key, st_data_t st_val, st_data_t arg)
2321 VALUE execarg_obj = args[0];
2322 if (rb_execarg_addopt(execarg_obj, key, val) != ST_CONTINUE) {
2323 VALUE nonopts = args[1];
2324 if (
NIL_P(nonopts)) args[1] = nonopts = rb_hash_new();
2325 rb_hash_aset(nonopts, key, val);
2340 rb_raise(rb_eArgError,
"fd %d specified twice", fd);
2342 if (ary == eargp->fd_dup2)
2344 else if (ary == eargp->fd_dup2_child)
2350 if (ary == eargp->fd_dup2 || ary == eargp->fd_dup2_child) {
2363 VALUE h = rb_hash_new();
2368 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_dup2);
2369 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_close);
2370 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_dup2_child);
2372 if (eargp->fd_dup2_child) {
2373 ary = eargp->fd_dup2_child;
2383 val = rb_hash_lookup(h, val);
2385 rb_raise(rb_eArgError,
"cyclic child fd redirection from %d", oldfd);
2389 rb_raise(rb_eArgError,
"child fd %d is not redirected", oldfd);
2390 if (oldfd != lastfd) {
2392 rb_ary_store(elt, 1,
INT2FIX(lastfd));
2395 while (
FIXNUM_P(val2 = rb_hash_lookup(h, val))) {
2396 rb_hash_aset(h, val,
INT2FIX(lastfd));
2403 eargp->close_others_maxhint = maxhint;
2408rb_check_exec_options(
VALUE opthash,
VALUE execarg_obj)
2412 rb_hash_stlike_foreach(opthash, check_exec_options_i, (st_data_t)execarg_obj);
2416rb_execarg_extract_options(
VALUE execarg_obj,
VALUE opthash)
2421 args[0] = execarg_obj;
2423 rb_hash_stlike_foreach(opthash, check_exec_options_i_extract, (st_data_t)args);
2427#ifdef ENV_IGNORECASE
2428#define ENVMATCH(s1, s2) (STRCASECMP((s1), (s2)) == 0)
2430#define ENVMATCH(n1, n2) (strcmp((n1), (n2)) == 0)
2434check_exec_env_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2444 rb_raise(rb_eArgError,
"environment name contains a equal : %"PRIsVALUE, key);
2449 key = EXPORT_STR(key);
2450 if (!
NIL_P(val)) val = EXPORT_STR(val);
2455 rb_ary_push(env, hide_obj(rb_assoc_new(key, val)));
2465 env[0] = hide_obj(rb_ary_new());
2467 rb_hash_stlike_foreach(hash, check_exec_env_i, (st_data_t)env);
2474rb_check_argv(
int argc,
VALUE *argv)
2482 tmp = rb_check_array_type(argv[0]);
2485 rb_raise(rb_eArgError,
"wrong first argument");
2493 for (i = 0; i < argc; i++) {
2502check_hash(
VALUE obj)
2512 return rb_check_hash_type(obj);
2516rb_exec_getargs(
int *argc_p,
VALUE **argv_p,
int accept_shell,
VALUE *env_ret,
VALUE *opthash_ret)
2521 hash = check_hash((*argv_p)[*argc_p-1]);
2523 *opthash_ret = hash;
2529 hash = check_hash((*argv_p)[0]);
2536 prog = rb_check_argv(*argc_p, *argv_p);
2538 prog = (*argv_p)[0];
2539 if (accept_shell && *argc_p == 1) {
2554compare_posix_sh(
const void *key,
const void *el)
2557 int ret = strncmp(word->ptr, el, word->len);
2558 if (!ret && ((
const char *)el)[word->len]) ret = -1;
2566 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2567 char fbuf[MAXPATHLEN];
2571 if (!
NIL_P(opthash)) {
2572 rb_check_exec_options(opthash, execarg_obj);
2575 env = rb_check_exec_env(env, &eargp->path_env);
2576 eargp->env_modification = env;
2579 prog = EXPORT_STR(prog);
2580 eargp->use_shell = argc == 0;
2581 if (eargp->use_shell)
2582 eargp->invoke.sh.shell_script = prog;
2584 eargp->invoke.cmd.command_name = prog;
2587 if (eargp->use_shell) {
2588 static const char posix_sh_cmds[][9] = {
2646 for (p = RSTRING_PTR(prog); *p; p++) {
2647 if (*p ==
' ' || *p ==
'\t') {
2648 if (first.ptr && !first.len) first.len = p - first.ptr;
2651 if (!first.ptr) first.ptr = p;
2653 if (!has_meta && strchr(
"*?{}[]<>()~&|\\$;'`\"\n#", *p))
2659 else if (*p ==
'/') {
2666 if (!has_meta && first.ptr) {
2667 if (!first.len) first.len = p - first.ptr;
2668 if (first.len > 0 && first.len <=
sizeof(posix_sh_cmds[0]) &&
2669 bsearch(&first, posix_sh_cmds, numberof(posix_sh_cmds),
sizeof(posix_sh_cmds[0]), compare_posix_sh))
2674 eargp->use_shell = 0;
2676 if (!eargp->use_shell) {
2679 p = RSTRING_PTR(prog);
2681 while (*p ==
' ' || *p ==
'\t')
2685 while (*p && *p !=
' ' && *p !=
'\t')
2691 eargp->invoke.cmd.argv_buf = argv_buf;
2692 eargp->invoke.cmd.command_name =
2693 hide_obj(
rb_str_subseq(argv_buf, 0, strlen(RSTRING_PTR(argv_buf))));
2694 rb_enc_copy(eargp->invoke.cmd.command_name, prog);
2699 if (!eargp->use_shell) {
2700 const char *abspath;
2701 const char *path_env = 0;
2702 if (
RTEST(eargp->path_env)) path_env = RSTRING_PTR(eargp->path_env);
2703 abspath = dln_find_exe_r(RSTRING_PTR(eargp->invoke.cmd.command_name),
2704 path_env, fbuf,
sizeof(fbuf));
2708 eargp->invoke.cmd.command_abspath =
Qnil;
2711 if (!eargp->use_shell && !eargp->invoke.cmd.argv_buf) {
2716 for (i = 0; i < argc; i++) {
2717 VALUE arg = argv[i];
2719#ifdef DEFAULT_PROCESS_ENCODING
2720 arg = EXPORT_STR(arg);
2721 s = RSTRING_PTR(arg);
2725 eargp->invoke.cmd.argv_buf = argv_buf;
2728 if (!eargp->use_shell) {
2729 const char *p, *ep, *null=NULL;
2733 p = RSTRING_PTR(eargp->invoke.cmd.argv_buf);
2734 ep = p + RSTRING_LEN(eargp->invoke.cmd.argv_buf);
2740 eargp->invoke.cmd.argv_str =
2741 rb_imemo_tmpbuf_auto_free_pointer_new_from_an_RString(argv_str);
2747rb_execarg_get(
VALUE execarg_obj)
2755rb_execarg_init(
int argc,
const VALUE *orig_argv,
int accept_shell,
VALUE execarg_obj)
2757 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2763 prog = rb_exec_getargs(&argc, &argv, accept_shell, &env, &opthash);
2764 rb_exec_fillarg(prog, argc, argv, env, opthash, execarg_obj);
2766 ret = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
2772rb_execarg_new(
int argc,
const VALUE *argv,
int accept_shell,
int allow_exc_opt)
2777 rb_execarg_init(argc, argv, accept_shell, execarg_obj);
2778 if (!allow_exc_opt && eargp->exception_given) {
2779 rb_raise(rb_eArgError,
"exception option is not allowed");
2785rb_execarg_setenv(
VALUE execarg_obj,
VALUE env)
2787 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2788 env = !
NIL_P(env) ? rb_check_exec_env(env, &eargp->path_env) :
Qfalse;
2789 eargp->env_modification = env;
2794fill_envp_buf_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2809static long run_exec_dup2_tmpbuf_size(
long n);
2823 const char *fname = RSTRING_PTR(data->fname);
2824 data->ret = parent_redirect_open(fname, data->oflags, data->perm);
2830rb_execarg_allocate_dup2_tmpbuf(
struct rb_execarg *eargp,
long len)
2832 VALUE tmpbuf = rb_imemo_tmpbuf_auto_free_pointer();
2833 rb_imemo_tmpbuf_set_ptr(tmpbuf, ruby_xmalloc(run_exec_dup2_tmpbuf_size(
len)));
2834 eargp->dup2_tmpbuf = tmpbuf;
2838rb_execarg_parent_start1(
VALUE execarg_obj)
2840 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2841 int unsetenv_others;
2845 ary = eargp->fd_open;
2860 open_data.fname = vpath;
2861 open_data.oflags = flags;
2862 open_data.perm = perm;
2864 open_data.err = EINTR;
2866 if (open_data.ret == -1) {
2867 if (open_data.err == EINTR) {
2873 fd2 = open_data.ret;
2885 eargp->redirect_fds = check_exec_fds(eargp);
2887 ary = eargp->fd_dup2;
2889 rb_execarg_allocate_dup2_tmpbuf(eargp,
RARRAY_LEN(ary));
2892 unsetenv_others = eargp->unsetenv_others_given && eargp->unsetenv_others_do;
2893 envopts = eargp->env_modification;
2894 if (ALWAYS_NEED_ENVP || unsetenv_others || envopts !=
Qfalse) {
2895 VALUE envtbl, envp_str, envp_buf;
2897 if (unsetenv_others) {
2898 envtbl = rb_hash_new();
2901 envtbl = rb_env_to_hash();
2905 st_table *stenv = RHASH_TBL_RAW(envtbl);
2912 st_data_t stkey = (st_data_t)key;
2913 st_delete(stenv, &stkey, NULL);
2916 st_insert(stenv, (st_data_t)key, (st_data_t)val);
2924 rb_hash_stlike_foreach(envtbl, fill_envp_buf_i, (st_data_t)envp_buf);
2927 p = RSTRING_PTR(envp_buf);
2928 ep = p + RSTRING_LEN(envp_buf);
2936 rb_imemo_tmpbuf_auto_free_pointer_new_from_an_RString(envp_str);
2937 eargp->envp_buf = envp_buf;
2953rb_execarg_parent_start(
VALUE execarg_obj)
2956 rb_protect(rb_execarg_parent_start1, execarg_obj, &state);
2958 rb_execarg_parent_end(execarg_obj);
2964execarg_parent_end(
VALUE execarg_obj)
2966 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2970 ary = eargp->fd_open;
2981 parent_redirect_close(fd2);
2993rb_execarg_parent_end(
VALUE execarg_obj)
2995 execarg_parent_end(execarg_obj);
3000rb_exec_fail(
struct rb_execarg *eargp,
int err,
const char *errmsg)
3002 if (!errmsg || !*errmsg)
return;
3003 if (strcmp(errmsg,
"chdir") == 0) {
3004 rb_sys_fail_str(eargp->chdir_dir);
3006 rb_sys_fail(errmsg);
3011rb_execarg_fail(
VALUE execarg_obj,
int err,
const char *errmsg)
3013 if (!errmsg || !*errmsg)
return;
3014 rb_exec_fail(rb_execarg_get(execarg_obj), err, errmsg);
3022 VALUE execarg_obj, fail_str;
3024#define CHILD_ERRMSG_BUFLEN 80
3025 char errmsg[CHILD_ERRMSG_BUFLEN] = {
'\0' };
3028 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
3029 eargp = rb_execarg_get(execarg_obj);
3032 rb_protect(rb_execarg_parent_start1, execarg_obj, &state);
3034 execarg_parent_end(execarg_obj);
3039 fail_str = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
3041 err = exec_async_signal_safe(eargp, errmsg,
sizeof(errmsg));
3044 rb_exec_fail(eargp, err, errmsg);
3148#define ERRMSG(str) \
3149 ((errmsg && 0 < errmsg_buflen) ? \
3150 (void)strlcpy(errmsg, (str), errmsg_buflen) : (void)0)
3152#define ERRMSG_FMT(...) \
3153 ((errmsg && 0 < errmsg_buflen) ? \
3154 (void)snprintf(errmsg, errmsg_buflen, __VA_ARGS__) : (void)0)
3156static int fd_get_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3157static int fd_set_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3158static int fd_clear_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3161save_redirect_fd(
int fd,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3164 VALUE newary, redirection;
3165 int save_fd = redirect_cloexec_dup(fd), cloexec;
3166 if (save_fd == -1) {
3173 newary = sargp->fd_dup2;
3175 newary = hide_obj(rb_ary_new());
3176 sargp->fd_dup2 = newary;
3178 cloexec = fd_get_cloexec(fd, errmsg, errmsg_buflen);
3179 redirection = hide_obj(rb_assoc_new(
INT2FIX(fd),
INT2FIX(save_fd)));
3180 if (cloexec) rb_ary_push(redirection,
Qtrue);
3181 rb_ary_push(newary, redirection);
3183 newary = sargp->fd_close;
3185 newary = hide_obj(rb_ary_new());
3186 sargp->fd_close = newary;
3188 rb_ary_push(newary, hide_obj(rb_assoc_new(
INT2FIX(save_fd),
Qnil)));
3195intcmp(
const void *a,
const void *b)
3197 return *(
int*)a - *(
int*)b;
3201intrcmp(
const void *a,
const void *b)
3203 return *(
int*)b - *(
int*)a;
3215run_exec_dup2_tmpbuf_size(
long n)
3222fd_get_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3226 ret = fcntl(fd, F_GETFD);
3228 ERRMSG(
"fcntl(F_GETFD)");
3231 if (ret & FD_CLOEXEC)
return 1;
3238fd_set_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3242 ret = fcntl(fd, F_GETFD);
3244 ERRMSG(
"fcntl(F_GETFD)");
3247 if (!(ret & FD_CLOEXEC)) {
3249 ret = fcntl(fd, F_SETFD, ret);
3251 ERRMSG(
"fcntl(F_SETFD)");
3261fd_clear_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3265 ret = fcntl(fd, F_GETFD);
3267 ERRMSG(
"fcntl(F_GETFD)");
3270 if (ret & FD_CLOEXEC) {
3272 ret = fcntl(fd, F_SETFD, ret);
3274 ERRMSG(
"fcntl(F_SETFD)");
3284run_exec_dup2(
VALUE ary,
VALUE tmpbuf,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3295 for (i = 0; i < n; i++) {
3300 pairs[i].older_index = -1;
3310 for (i = 0; i < n; i++) {
3311 int newfd = pairs[i].newfd;
3315 pairs[i].num_newer = 0;
3317 while (pairs < found && (found-1)->oldfd == newfd)
3319 while (found < pairs+n && found->oldfd == newfd) {
3320 pairs[i].num_newer++;
3321 found->older_index = i;
3328 for (i = 0; i < n; i++) {
3330 while (j != -1 && pairs[j].oldfd != -1 && pairs[j].num_newer == 0) {
3331 if (save_redirect_fd(pairs[j].newfd, sargp, errmsg, errmsg_buflen) < 0)
3333 ret = redirect_dup2(pairs[j].oldfd, pairs[j].newfd);
3338 if (pairs[j].cloexec &&
3339 fd_set_cloexec(pairs[j].newfd, errmsg, errmsg_buflen)) {
3343 pairs[j].oldfd = -1;
3344 j = pairs[j].older_index;
3346 pairs[j].num_newer--;
3351 for (i = 0; i < n; i++) {
3353 if (pairs[i].oldfd == -1)
3355 if (pairs[i].oldfd == pairs[i].newfd) {
3356 if (fd_clear_cloexec(pairs[i].oldfd, errmsg, errmsg_buflen) == -1)
3358 pairs[i].oldfd = -1;
3361 if (extra_fd == -1) {
3362 extra_fd = redirect_dup(pairs[i].oldfd);
3363 if (extra_fd == -1) {
3369 if (fd_get_cloexec(pairs[i].oldfd, errmsg, errmsg_buflen)) {
3370 if (fd_set_cloexec(extra_fd, errmsg, errmsg_buflen)) {
3378 ret = redirect_dup2(pairs[i].oldfd, extra_fd);
3385 pairs[i].oldfd = extra_fd;
3386 j = pairs[i].older_index;
3387 pairs[i].older_index = -1;
3389 ret = redirect_dup2(pairs[j].oldfd, pairs[j].newfd);
3395 pairs[j].oldfd = -1;
3396 j = pairs[j].older_index;
3399 if (extra_fd != -1) {
3400 ret = redirect_close(extra_fd);
3415run_exec_close(
VALUE ary,
char *errmsg,
size_t errmsg_buflen)
3423 ret = redirect_close(fd);
3434run_exec_dup2_child(
VALUE ary,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3444 if (save_redirect_fd(newfd, sargp, errmsg, errmsg_buflen) < 0)
3446 ret = redirect_dup2(oldfd, newfd);
3459run_exec_pgroup(
const struct rb_execarg *eargp,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3471 pgroup = eargp->pgroup_pgid;
3477 sargp->pgroup_given = 1;
3478 sargp->pgroup_pgid = getpgrp();
3484 ret = setpgid(getpid(), pgroup);
3485 if (ret == -1) ERRMSG(
"setpgid");
3490#if defined(HAVE_SETRLIMIT) && defined(RLIM2NUM)
3493run_exec_rlimit(
VALUE ary,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3502 if (getrlimit(rtype, &rlim) == -1) {
3503 ERRMSG(
"getrlimit");
3507 RLIM2NUM(rlim.rlim_cur),
3508 RLIM2NUM(rlim.rlim_max)));
3509 if (sargp->rlimit_limits ==
Qfalse)
3510 newary = sargp->rlimit_limits = hide_obj(rb_ary_new());
3512 newary = sargp->rlimit_limits;
3513 rb_ary_push(newary, tmp);
3517 if (setrlimit(rtype, &rlim) == -1) {
3518 ERRMSG(
"setrlimit");
3526#if !defined(HAVE_WORKING_FORK)
3530 rb_ary_push(ary, hide_obj(rb_ary_dup(argv[0])));
3539 if (sargp->env_modification ==
Qfalse) {
3540 VALUE env = rb_envtbl();
3542 VALUE ary = hide_obj(rb_ary_new());
3545 sargp->env_modification = ary;
3547 sargp->unsetenv_others_given = 1;
3548 sargp->unsetenv_others_do = 1;
3555#define chdir(p) rb_w32_uchdir(p)
3560rb_execarg_run_options(
const struct rb_execarg *eargp,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3567 sargp->redirect_fds =
Qnil;
3571 if (eargp->pgroup_given) {
3572 if (run_exec_pgroup(eargp, sargp, errmsg, errmsg_buflen) == -1)
3577#if defined(HAVE_SETRLIMIT) && defined(RLIM2NUM)
3578 obj = eargp->rlimit_limits;
3580 if (run_exec_rlimit(obj, sargp, errmsg, errmsg_buflen) == -1)
3585#if !defined(HAVE_WORKING_FORK)
3586 if (eargp->unsetenv_others_given && eargp->unsetenv_others_do) {
3591 obj = eargp->env_modification;
3607 if (eargp->umask_given) {
3608 mode_t mask = eargp->umask_mask;
3609 mode_t oldmask = umask(mask);
3611 sargp->umask_given = 1;
3612 sargp->umask_mask = oldmask;
3616 obj = eargp->fd_dup2;
3618 if (run_exec_dup2(obj, eargp->dup2_tmpbuf, sargp, errmsg, errmsg_buflen) == -1)
3622 obj = eargp->fd_close;
3625 rb_warn(
"cannot close fd before spawn");
3627 if (run_exec_close(obj, errmsg, errmsg_buflen) == -1)
3632#ifdef HAVE_WORKING_FORK
3633 if (eargp->close_others_do) {
3638 obj = eargp->fd_dup2_child;
3640 if (run_exec_dup2_child(obj, sargp, errmsg, errmsg_buflen) == -1)
3644 if (eargp->chdir_given) {
3646 sargp->chdir_given = 1;
3647 sargp->chdir_dir = hide_obj(rb_dir_getwd_ospath());
3649 if (chdir(RSTRING_PTR(eargp->chdir_dir)) == -1) {
3656 if (eargp->gid_given) {
3657 if (setgid(eargp->gid) < 0) {
3664 if (eargp->uid_given) {
3665 if (setuid(eargp->uid) < 0) {
3673 VALUE ary = sargp->fd_dup2;
3675 rb_execarg_allocate_dup2_tmpbuf(sargp,
RARRAY_LEN(ary));
3679 int preserve =
errno;
3680 stdfd_clear_nonblock();
3689rb_exec_async_signal_safe(
const struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
3691 errno = exec_async_signal_safe(eargp, errmsg, errmsg_buflen);
3696exec_async_signal_safe(
const struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
3698#if !defined(HAVE_WORKING_FORK)
3699 struct rb_execarg sarg, *
const sargp = &sarg;
3705 if (rb_execarg_run_options(eargp, sargp, errmsg, errmsg_buflen) < 0) {
3709 if (eargp->use_shell) {
3710 err = proc_exec_sh(RSTRING_PTR(eargp->invoke.sh.shell_script), eargp->envp_str);
3713 char *abspath = NULL;
3714 if (!
NIL_P(eargp->invoke.cmd.command_abspath))
3715 abspath = RSTRING_PTR(eargp->invoke.cmd.command_abspath);
3716 err = proc_exec_cmd(abspath, eargp->invoke.cmd.argv_str, eargp->envp_str);
3718#if !defined(HAVE_WORKING_FORK)
3719 rb_execarg_run_options(sargp, NULL, errmsg, errmsg_buflen);
3725#ifdef HAVE_WORKING_FORK
3728rb_exec_atfork(
void* arg,
char *errmsg,
size_t errmsg_buflen)
3730 return rb_exec_async_signal_safe(arg, errmsg, errmsg_buflen);
3734proc_syswait(
VALUE pid)
3741move_fds_to_avoid_crash(
int *fdp,
int n,
VALUE fds)
3745 for (i = 0; i < n; i++) {
3764pipe_nocrash(
int filedes[2],
VALUE fds)
3772 if (move_fds_to_avoid_crash(filedes, 2, fds) == -1) {
3787rb_thread_sleep_that_takes_VALUE_as_sole_argument(
VALUE n)
3794handle_fork_error(
int err,
struct rb_process_status *status,
int *ep,
volatile int *try_gc_p)
3800 if ((*try_gc_p)-- > 0 && !rb_during_gc()) {
3806#if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
3809 if (!status && !ep) {
3814 rb_protect(rb_thread_sleep_that_takes_VALUE_as_sole_argument,
INT2FIX(1), &state);
3815 if (status) status->status = state;
3816 if (!state)
return 0;
3825 if (state && !status) rb_jump_tag(state);
3829#define prefork() ( \
3830 rb_io_flush(rb_stdout), \
3831 rb_io_flush(rb_stderr) \
3861write_retry(
int fd,
const void *buf,
size_t len)
3866 w = write(fd, buf,
len);
3867 }
while (w < 0 &&
errno == EINTR);
3873read_retry(
int fd,
void *buf,
size_t len)
3877 if (set_blocking(fd) != 0) {
3879 rb_async_bug_errno(
"set_blocking failed reading child error",
errno);
3884 r = read(fd, buf,
len);
3885 }
while (r < 0 &&
errno == EINTR);
3891send_child_error(
int fd,
char *errmsg,
size_t errmsg_buflen)
3896 if (write_retry(fd, &err,
sizeof(err)) < 0) err =
errno;
3897 if (errmsg && 0 < errmsg_buflen) {
3898 errmsg[errmsg_buflen-1] =
'\0';
3899 errmsg_buflen = strlen(errmsg);
3900 if (errmsg_buflen > 0 && write_retry(fd, errmsg, errmsg_buflen) < 0)
3906recv_child_error(
int fd,
int *errp,
char *errmsg,
size_t errmsg_buflen)
3910 if ((size = read_retry(fd, &err,
sizeof(err))) < 0) {
3914 if (size ==
sizeof(err) &&
3915 errmsg && 0 < errmsg_buflen) {
3916 ssize_t ret = read_retry(fd, errmsg, errmsg_buflen-1);
3925#ifdef HAVE_WORKING_VFORK
3926#if !defined(HAVE_GETRESUID) && defined(HAVE_GETUIDX)
3929getresuid(rb_uid_t *ruid, rb_uid_t *euid, rb_uid_t *suid)
3935 ret = getuidx(ID_SAVED);
3936 if (ret == (rb_uid_t)-1)
3941#define HAVE_GETRESUID
3944#if !defined(HAVE_GETRESGID) && defined(HAVE_GETGIDX)
3947getresgid(rb_gid_t *rgid, rb_gid_t *egid, rb_gid_t *sgid)
3953 ret = getgidx(ID_SAVED);
3954 if (ret == (rb_gid_t)-1)
3959#define HAVE_GETRESGID
3977 rb_uid_t ruid, euid;
3978 rb_gid_t rgid, egid;
3980#if defined HAVE_ISSETUGID
3985#ifdef HAVE_GETRESUID
3989 ret = getresuid(&ruid, &euid, &suid);
3991 rb_sys_fail(
"getresuid(2)");
4000 if (euid == 0 || euid != ruid)
4003#ifdef HAVE_GETRESGID
4007 ret = getresgid(&rgid, &egid, &sgid);
4009 rb_sys_fail(
"getresgid(2)");
4025struct child_handler_disabler_state
4031disable_child_handler_before_fork(
struct child_handler_disabler_state *old)
4033#ifdef HAVE_PTHREAD_SIGMASK
4037 ret = sigfillset(&all);
4039 rb_sys_fail(
"sigfillset");
4041 ret = pthread_sigmask(SIG_SETMASK, &all, &old->sigmask);
4046# pragma GCC warning "pthread_sigmask on fork is not available. potentially dangerous"
4051disable_child_handler_fork_parent(
struct child_handler_disabler_state *old)
4053#ifdef HAVE_PTHREAD_SIGMASK
4056 ret = pthread_sigmask(SIG_SETMASK, &old->sigmask, NULL);
4061# pragma GCC warning "pthread_sigmask on fork is not available. potentially dangerous"
4067disable_child_handler_fork_child(
struct child_handler_disabler_state *old,
char *errmsg,
size_t errmsg_buflen)
4072 for (sig = 1; sig < NSIG; sig++) {
4073 sig_t handler = signal(sig, SIG_DFL);
4075 if (handler == SIG_ERR &&
errno == EINVAL) {
4078 if (handler == SIG_ERR) {
4079 ERRMSG(
"signal to obtain old action");
4083 if (sig == SIGPIPE) {
4088 if (handler == SIG_IGN) {
4089 signal(sig, SIG_IGN);
4094 sigemptyset(&old->sigmask);
4095 ret = sigprocmask(SIG_SETMASK, &old->sigmask, NULL);
4097 ERRMSG(
"sigprocmask");
4105 int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4106 char *errmsg,
size_t errmsg_buflen,
4110 volatile int try_gc = 1;
4111 struct child_handler_disabler_state old;
4116 disable_child_handler_before_fork(&old);
4117#ifdef HAVE_WORKING_VFORK
4118 if (!has_privilege())
4128 ret = disable_child_handler_fork_child(&old, errmsg, errmsg_buflen);
4130 ret = chfunc(charg, errmsg, errmsg_buflen);
4131 if (!ret) _exit(EXIT_SUCCESS);
4133 send_child_error(ep[1], errmsg, errmsg_buflen);
4134#if EXIT_SUCCESS == 127
4135 _exit(EXIT_FAILURE);
4141 disable_child_handler_fork_parent(&old);
4145 if (handle_fork_error(err, status, ep, &try_gc))
4151fork_check_err(
struct rb_process_status *status,
int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4152 VALUE fds,
char *errmsg,
size_t errmsg_buflen,
4160 struct waitpid_state *w = eargp && eargp->waitpid_state ? eargp->waitpid_state : 0;
4162 if (status) status->status = 0;
4164 if (pipe_nocrash(ep, fds))
return -1;
4166 pid = retry_fork_async_signal_safe(status, ep, chfunc, charg, errmsg, errmsg_buflen, w);
4168 if (status) status->pid = pid;
4171 if (status) status->error =
errno;
4178 error_occurred = recv_child_error(ep[0], &err, errmsg, errmsg_buflen);
4180 if (error_occurred) {
4183 status->error = err;
4185 VM_ASSERT((w == 0) &&
"only used by extensions");
4186 rb_protect(proc_syswait, (
VALUE)pid, &state);
4188 status->status = state;
4209rb_fork_async_signal_safe(
int *status,
4210 int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4211 VALUE fds,
char *errmsg,
size_t errmsg_buflen)
4215 rb_pid_t result = fork_check_err(&process_status, chfunc, charg, fds, errmsg, errmsg_buflen, 0);
4218 *status = process_status.status;
4225rb_fork_ruby(
int *status)
4229 int try_gc = 1, err;
4230 struct child_handler_disabler_state old;
4236 rb_thread_acquire_fork_lock();
4237 disable_child_handler_before_fork(&old);
4239 child.pid = pid = rb_fork();
4240 child.error = err =
errno;
4242 disable_child_handler_fork_parent(&old);
4244#
if defined(__FreeBSD__)
4248 rb_thread_release_fork_lock();
4251 rb_thread_reset_fork_lock();
4253 after_fork_ruby(pid);
4256 }
while (pid < 0 && handle_fork_error(err, &child, NULL, &try_gc) == 0);
4258 if (status) *status = child.status;
4266 rb_pid_t pid = rb_fork_ruby(NULL);
4269 rb_sys_fail(
"fork(2)");
4276rb_call_proc__fork(
void)
4281 return proc_fork_pid();
4290#if defined(HAVE_WORKING_FORK) && !defined(CANNOT_FORK_WITH_PTHREAD)
4311rb_proc__fork(
VALUE _obj)
4313 rb_pid_t pid = proc_fork_pid();
4382 pid = rb_call_proc__fork();
4396#define rb_proc__fork rb_f_notimplement
4397#define rb_f_fork rb_f_notimplement
4401exit_status_code(
VALUE status)
4407 istatus = EXIT_SUCCESS;
4410 istatus = EXIT_FAILURE;
4414#if EXIT_SUCCESS != 0
4416 istatus = EXIT_SUCCESS;
4423NORETURN(
static VALUE rb_f_exit_bang(
int argc,
VALUE *argv,
VALUE obj));
4441rb_f_exit_bang(
int argc,
VALUE *argv,
VALUE obj)
4446 istatus = exit_status_code(argv[0]);
4449 istatus = EXIT_FAILURE;
4459 if (GET_EC()->tag) {
4475 istatus = exit_status_code(argv[0]);
4478 istatus = EXIT_SUCCESS;
4543 rb_execution_context_t *ec = GET_EC();
4544 VALUE errinfo = rb_ec_get_errinfo(ec);
4545 if (!
NIL_P(errinfo)) {
4546 rb_ec_error_print(ec, errinfo);
4553 args[1] = args[0] = argv[0];
4555 rb_io_puts(1, args, rb_ractor_stderr());
4556 args[0] =
INT2NUM(EXIT_FAILURE);
4594#if !defined HAVE_WORKING_FORK && !defined HAVE_SPAWNV && !defined __EMSCRIPTEN__
4599 if (eargp && !eargp->use_shell) {
4600 VALUE str = eargp->invoke.cmd.argv_str;
4601 VALUE buf = eargp->invoke.cmd.argv_buf;
4602 char *p, **argv = ARGVSTR2ARGV(str);
4603 long i, argc = ARGVSTR2ARGC(str);
4604 const char *start = RSTRING_PTR(buf);
4606 p = RSTRING_PTR(cmd);
4607 for (i = 1; i < argc; ++i) {
4608 p[argv[i] - start - 1] =
' ';
4618rb_spawn_process(
struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
4621#if !defined HAVE_WORKING_FORK || USE_SPAWNV
4624# if !defined HAVE_SPAWNV
4629#if defined HAVE_WORKING_FORK && !USE_SPAWNV
4630 pid = fork_check_err(eargp->status, rb_exec_atfork, eargp, eargp->redirect_fds, errmsg, errmsg_buflen, eargp);
4632 prog = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
4634 if (rb_execarg_run_options(eargp, &sarg, errmsg, errmsg_buflen) < 0) {
4638 if (prog && !eargp->use_shell) {
4639 char **argv = ARGVSTR2ARGV(eargp->invoke.cmd.argv_str);
4640 argv[0] = RSTRING_PTR(prog);
4642# if defined HAVE_SPAWNV
4643 if (eargp->use_shell) {
4644 pid = proc_spawn_sh(RSTRING_PTR(prog));
4647 char **argv = ARGVSTR2ARGV(eargp->invoke.cmd.argv_str);
4648 pid = proc_spawn_cmd(argv, prog, eargp);
4655 status = system(rb_execarg_commandline(eargp, &prog));
4660 if (eargp->waitpid_state) {
4661 eargp->waitpid_state->pid = pid;
4664 rb_execarg_run_options(&sarg, NULL, errmsg, errmsg_buflen);
4679do_spawn_process(
VALUE arg)
4683 rb_execarg_parent_start1(argp->execarg);
4685 return (
VALUE)rb_spawn_process(rb_execarg_get(argp->execarg),
4686 argp->errmsg.ptr, argp->errmsg.buflen);
4689NOINLINE(
static rb_pid_t
4690 rb_execarg_spawn(
VALUE execarg_obj,
char *errmsg,
size_t errmsg_buflen));
4693rb_execarg_spawn(
VALUE execarg_obj,
char *errmsg,
size_t errmsg_buflen)
4697 args.execarg = execarg_obj;
4698 args.errmsg.ptr = errmsg;
4699 args.errmsg.buflen = errmsg_buflen;
4702 execarg_parent_end, execarg_obj);
4707rb_spawn_internal(
int argc,
const VALUE *argv,
char *errmsg,
size_t errmsg_buflen)
4711 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
4712 return rb_execarg_spawn(execarg_obj, errmsg, errmsg_buflen);
4718 return rb_spawn_internal(argc, argv, errmsg, errmsg_buflen);
4724 return rb_spawn_internal(argc, argv, NULL, 0);
4848 rb_thread_t *th = GET_THREAD();
4849 VALUE execarg_obj = rb_execarg_new(argc, argv, TRUE, TRUE);
4850 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
4853 eargp->status = &status;
4855 last_status_clear(th);
4859 rb_pid_t pid = rb_execarg_spawn(execarg_obj, 0, 0);
4866 th->last_status = status;
4868 if (data->status == EXIT_SUCCESS) {
4872 if (data->error != 0) {
4873 if (eargp->exception) {
4874 VALUE command = eargp->invoke.sh.shell_script;
4882 else if (eargp->exception) {
4883 VALUE command = eargp->invoke.sh.shell_script;
4897 if (eargp->exception) {
4898 VALUE command = eargp->invoke.sh.shell_script;
5014 char errmsg[CHILD_ERRMSG_BUFLEN] = {
'\0' };
5015 VALUE execarg_obj, fail_str;
5018 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
5019 eargp = rb_execarg_get(execarg_obj);
5020 fail_str = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
5022 pid = rb_execarg_spawn(execarg_obj, errmsg,
sizeof(errmsg));
5026 rb_exec_fail(eargp, err, errmsg);
5030#if defined(HAVE_WORKING_FORK) || defined(HAVE_SPAWNV)
5056 time_t beg = time(0);
5059 if (scheduler !=
Qnil) {
5063 if (argc == 0 || (argc == 1 &&
NIL_P(argv[0]))) {
5072 time_t end = time(0) - beg;
5074 return TIMET2NUM(end);
5078#if (defined(HAVE_GETPGRP) && defined(GETPGRP_VOID)) || defined(HAVE_GETPGID)
5095#if defined(HAVE_GETPGRP) && defined(GETPGRP_VOID)
5097 if (pgrp < 0) rb_sys_fail(0);
5101 if (pgrp < 0) rb_sys_fail(0);
5106#define proc_getpgrp rb_f_notimplement
5110#if defined(HAVE_SETPGID) || (defined(HAVE_SETPGRP) && defined(SETPGRP_VOID))
5128 if (setpgid(0,0) < 0) rb_sys_fail(0);
5129#elif defined(HAVE_SETPGRP) && defined(SETPGRP_VOID)
5130 if (setpgrp() < 0) rb_sys_fail(0);
5135#define proc_setpgrp rb_f_notimplement
5139#if defined(HAVE_GETPGID)
5157 if (i < 0) rb_sys_fail(0);
5161#define proc_getpgid rb_f_notimplement
5179 rb_pid_t ipid, ipgrp;
5184 if (setpgid(ipid, ipgrp) < 0) rb_sys_fail(0);
5188#define proc_setpgid rb_f_notimplement
5216 if (sid < 0) rb_sys_fail(0);
5220#define proc_getsid rb_f_notimplement
5224#if defined(HAVE_SETSID) || (defined(HAVE_SETPGRP) && defined(TIOCNOTTY))
5225#if !defined(HAVE_SETSID)
5226static rb_pid_t ruby_setsid(
void);
5227#define setsid() ruby_setsid()
5248 if (pid < 0) rb_sys_fail(0);
5252#if !defined(HAVE_SETSID)
5253#define HAVE_SETSID 1
5261#if defined(SETPGRP_VOID)
5267 ret = setpgrp(0, pid);
5269 if (ret == -1)
return -1;
5273 ioctl(fd, TIOCNOTTY, NULL);
5280#define proc_setsid rb_f_notimplement
5284#ifdef HAVE_GETPRIORITY
5312 int prio, iwhich, iwho;
5318 prio = getpriority(iwhich, iwho);
5319 if (
errno) rb_sys_fail(0);
5323#define proc_getpriority rb_f_notimplement
5327#ifdef HAVE_GETPRIORITY
5347 int iwhich, iwho, iprio;
5353 if (setpriority(iwhich, iwho, iprio) < 0)
5358#define proc_setpriority rb_f_notimplement
5361#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
5363rlimit_resource_name2int(
const char *name,
long len,
int casetype)
5367#define RESCHECK(r) \
5369 if (len == rb_strlen_lit(#r) && STRCASECMP(name, #r) == 0) { \
5370 resource = RLIMIT_##r; \
5404#ifdef RLIMIT_MEMLOCK
5407#ifdef RLIMIT_MSGQUEUE
5446#ifdef RLIMIT_SIGPENDING
5447 RESCHECK(SIGPENDING);
5456 for (p = name; *p; p++)
5462 for (p = name; *p; p++)
5468 rb_bug(
"unexpected casetype");
5475rlimit_type_by_hname(
const char *name,
long len)
5477 return rlimit_resource_name2int(name,
len, 0);
5481rlimit_type_by_lname(
const char *name,
long len)
5483 return rlimit_resource_name2int(name,
len, 1);
5487rlimit_type_by_sym(
VALUE key)
5490 const char *rname = RSTRING_PTR(name);
5491 long len = RSTRING_LEN(name);
5493 static const char prefix[] =
"rlimit_";
5494 enum {prefix_len =
sizeof(prefix)-1};
5496 if (
len > prefix_len && strncmp(prefix, rname, prefix_len) == 0) {
5497 rtype = rlimit_type_by_lname(rname + prefix_len,
len - prefix_len);
5505rlimit_resource_type(
VALUE rtype)
5512 switch (
TYPE(rtype)) {
5515 name = RSTRING_PTR(v);
5516 len = RSTRING_LEN(v);
5525 len = RSTRING_LEN(rtype);
5535 r = rlimit_type_by_hname(name,
len);
5539 rb_raise(rb_eArgError,
"invalid resource name: % "PRIsVALUE, rtype);
5545rlimit_resource_value(
VALUE rval)
5550 switch (
TYPE(rval)) {
5553 name = RSTRING_PTR(v);
5568 return NUM2RLIM(rval);
5572 if (strcmp(name,
"INFINITY") == 0)
return RLIM_INFINITY;
5574#ifdef RLIM_SAVED_MAX
5575 if (strcmp(name,
"SAVED_MAX") == 0)
return RLIM_SAVED_MAX;
5577#ifdef RLIM_SAVED_CUR
5578 if (strcmp(name,
"SAVED_CUR") == 0)
return RLIM_SAVED_CUR;
5580 rb_raise(rb_eArgError,
"invalid resource value: %"PRIsVALUE, rval);
5586#if defined(HAVE_GETRLIMIT) && defined(RLIM2NUM)
5614 if (getrlimit(rlimit_resource_type(resource), &rlim) < 0) {
5615 rb_sys_fail(
"getrlimit");
5617 return rb_assoc_new(RLIM2NUM(rlim.rlim_cur), RLIM2NUM(rlim.rlim_max));
5620#define proc_getrlimit rb_f_notimplement
5623#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
5677proc_setrlimit(
int argc,
VALUE *argv,
VALUE obj)
5679 VALUE resource, rlim_cur, rlim_max;
5685 if (argc < 3 ||
NIL_P(rlim_max = argv[2]))
5686 rlim_max = rlim_cur;
5688 rlim.rlim_cur = rlimit_resource_value(rlim_cur);
5689 rlim.rlim_max = rlimit_resource_value(rlim_max);
5691 if (setrlimit(rlimit_resource_type(resource), &rlim) < 0) {
5692 rb_sys_fail(
"setrlimit");
5697#define proc_setrlimit rb_f_notimplement
5700static int under_uid_switch = 0;
5702check_uid_switch(
void)
5704 if (under_uid_switch) {
5705 rb_raise(
rb_eRuntimeError,
"can't handle UID while evaluating block given to Process::UID.switch method");
5709static int under_gid_switch = 0;
5711check_gid_switch(
void)
5713 if (under_gid_switch) {
5714 rb_raise(
rb_eRuntimeError,
"can't handle GID while evaluating block given to Process::UID.switch method");
5719#if defined(HAVE_PWD_H)
5721login_not_found(
int err)
5723 return (err == ENOTTY || err == ENXIO || err == ENOENT);
5734# if !defined(USE_GETLOGIN_R) && !defined(USE_GETLOGIN)
5737 char MAYBE_UNUSED(*login) = NULL;
5739# ifdef USE_GETLOGIN_R
5741# if defined(__FreeBSD__)
5742 typedef int getlogin_r_size_t;
5744 typedef size_t getlogin_r_size_t;
5747 long loginsize = GETLOGIN_R_SIZE_INIT;
5750 loginsize = GETLOGIN_R_SIZE_DEFAULT;
5754 login = RSTRING_PTR(maybe_result);
5759 while ((gle = getlogin_r(login, (getlogin_r_size_t)loginsize)) != 0) {
5760 if (login_not_found(gle)) {
5761 rb_str_resize(maybe_result, 0);
5765 if (gle != ERANGE || loginsize >= GETLOGIN_R_SIZE_LIMIT) {
5766 rb_str_resize(maybe_result, 0);
5771 login = RSTRING_PTR(maybe_result);
5775 if (login == NULL) {
5776 rb_str_resize(maybe_result, 0);
5781 return maybe_result;
5783# elif defined(USE_GETLOGIN)
5789 if (login_not_found(err)) {
5803pwd_not_found(
int err)
5817# if defined(USE_GETPWNAM_R)
5818struct getpwnam_r_args {
5822 struct passwd *result;
5823 struct passwd pwstore;
5826# define GETPWNAM_R_ARGS(login_, buf_, bufsize_) (struct getpwnam_r_args) \
5827 {.login = login_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
5830nogvl_getpwnam_r(
void *args)
5832 struct getpwnam_r_args *arg = args;
5833 return (
void *)(
VALUE)getpwnam_r(arg->login, &arg->pwstore, arg->buf, arg->bufsize, &arg->result);
5838rb_getpwdirnam_for_login(
VALUE login_name)
5840#if !defined(USE_GETPWNAM_R) && !defined(USE_GETPWNAM)
5844 if (
NIL_P(login_name)) {
5849 const char *login = RSTRING_PTR(login_name);
5852# ifdef USE_GETPWNAM_R
5855 long bufsizenm = GETPW_R_SIZE_INIT;
5858 bufsizenm = GETPW_R_SIZE_DEFAULT;
5862 bufnm = RSTRING_PTR(getpwnm_tmp);
5865 struct getpwnam_r_args args = GETPWNAM_R_ARGS(login, bufnm, (
size_t)bufsizenm);
5868 while ((enm = IO_WITHOUT_GVL_INT(nogvl_getpwnam_r, &args)) != 0) {
5869 if (pwd_not_found(enm)) {
5870 rb_str_resize(getpwnm_tmp, 0);
5874 if (enm != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
5875 rb_str_resize(getpwnm_tmp, 0);
5880 args.buf = RSTRING_PTR(getpwnm_tmp);
5884 if (args.result == NULL) {
5886 rb_str_resize(getpwnm_tmp, 0);
5892 rb_str_resize(getpwnm_tmp, 0);
5895# elif defined(USE_GETPWNAM)
5897 struct passwd *pwptr;
5899 if (!(pwptr = getpwnam(login))) {
5902 if (pwd_not_found(err)) {
5916# if defined(USE_GETPWUID_R)
5917struct getpwuid_r_args {
5921 struct passwd *result;
5922 struct passwd pwstore;
5925# define GETPWUID_R_ARGS(uid_, buf_, bufsize_) (struct getpwuid_r_args) \
5926 {.uid = uid_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
5929nogvl_getpwuid_r(
void *args)
5931 struct getpwuid_r_args *arg = args;
5932 return (
void *)(
VALUE)getpwuid_r(arg->uid, &arg->pwstore, arg->buf, arg->bufsize, &arg->result);
5942# if !defined(USE_GETPWUID_R) && !defined(USE_GETPWUID)
5946 uid_t ruid = getuid();
5948# ifdef USE_GETPWUID_R
5951 long bufsizeid = GETPW_R_SIZE_INIT;
5954 bufsizeid = GETPW_R_SIZE_DEFAULT;
5958 bufid = RSTRING_PTR(getpwid_tmp);
5961 struct getpwuid_r_args args = GETPWUID_R_ARGS(ruid, bufid, (
size_t)bufsizeid);
5964 while ((eid = IO_WITHOUT_GVL_INT(nogvl_getpwuid_r, &args)) != 0) {
5965 if (pwd_not_found(eid)) {
5966 rb_str_resize(getpwid_tmp, 0);
5970 if (eid != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
5971 rb_str_resize(getpwid_tmp, 0);
5976 args.buf = RSTRING_PTR(getpwid_tmp);
5980 if (args.result == NULL) {
5982 rb_str_resize(getpwid_tmp, 0);
5988 rb_str_resize(getpwid_tmp, 0);
5991# elif defined(USE_GETPWUID)
5993 struct passwd *pwptr;
5995 if (!(pwptr = getpwuid(ruid))) {
5998 if (pwd_not_found(err)) {
6024#if defined(HAVE_PWD_H)
6027# ifdef USE_GETPWNAM_R
6040 struct passwd *pwptr;
6041#ifdef USE_GETPWNAM_R
6046 getpw_buf_len = GETPW_R_SIZE_INIT;
6047 if (getpw_buf_len < 0) getpw_buf_len = GETPW_R_SIZE_DEFAULT;
6050 getpw_buf = RSTRING_PTR(*getpw_tmp);
6054 struct getpwnam_r_args args = GETPWNAM_R_ARGS((
char *)usrname, getpw_buf, (
size_t)getpw_buf_len);
6056 while ((e = IO_WITHOUT_GVL_INT(nogvl_getpwnam_r, &args)) != 0) {
6057 if (e != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
6058 rb_str_resize(*getpw_tmp, 0);
6062 args.buf = RSTRING_PTR(*getpw_tmp);
6065 pwptr = args.result;
6067 pwptr = getpwnam(usrname);
6070#ifndef USE_GETPWNAM_R
6073 rb_raise(rb_eArgError,
"can't find user for %"PRIsVALUE,
id);
6075 uid = pwptr->pw_uid;
6076#ifndef USE_GETPWNAM_R
6083# ifdef p_uid_from_name
6103#if defined(HAVE_GRP_H)
6104# if defined(USE_GETGRNAM_R)
6105struct getgrnam_r_args {
6109 struct group *result;
6113# define GETGRNAM_R_ARGS(name_, buf_, bufsize_) (struct getgrnam_r_args) \
6114 {.name = name_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
6117nogvl_getgrnam_r(
void *args)
6119 struct getgrnam_r_args *arg = args;
6120 return (
void *)(
VALUE)getgrnam_r(arg->name, &arg->grp, arg->buf, arg->bufsize, &arg->result);
6126# ifdef USE_GETGRNAM_R
6139 struct group *grptr;
6140#ifdef USE_GETGRNAM_R
6145 getgr_buf_len = GETGR_R_SIZE_INIT;
6146 if (getgr_buf_len < 0) getgr_buf_len = GETGR_R_SIZE_DEFAULT;
6149 getgr_buf = RSTRING_PTR(*getgr_tmp);
6153 struct getgrnam_r_args args = GETGRNAM_R_ARGS(grpname, getgr_buf, (
size_t)getgr_buf_len);
6155 while ((e = IO_WITHOUT_GVL_INT(nogvl_getgrnam_r, &args)) != 0) {
6156 if (e != ERANGE || args.bufsize >= GETGR_R_SIZE_LIMIT) {
6157 rb_str_resize(*getgr_tmp, 0);
6161 args.buf = RSTRING_PTR(*getgr_tmp);
6164 grptr = args.result;
6165#elif defined(HAVE_GETGRNAM)
6166 grptr = getgrnam(grpname);
6171#if !defined(USE_GETGRNAM_R) && defined(HAVE_ENDGRENT)
6174 rb_raise(rb_eArgError,
"can't find group for %"PRIsVALUE,
id);
6176 gid = grptr->gr_gid;
6177#if !defined(USE_GETGRNAM_R) && defined(HAVE_ENDGRENT)
6184# ifdef p_gid_from_name
6204#if defined HAVE_SETUID
6218 if (setuid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6222#define p_sys_setuid rb_f_notimplement
6226#if defined HAVE_SETRUID
6240 if (setruid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6244#define p_sys_setruid rb_f_notimplement
6248#if defined HAVE_SETEUID
6262 if (seteuid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6266#define p_sys_seteuid rb_f_notimplement
6270#if defined HAVE_SETREUID
6285 rb_uid_t ruid, euid;
6288 ruid = OBJ2UID1(rid);
6289 euid = OBJ2UID1(eid);
6291 if (setreuid(ruid, euid) != 0) rb_sys_fail(0);
6295#define p_sys_setreuid rb_f_notimplement
6299#if defined HAVE_SETRESUID
6314 rb_uid_t ruid, euid, suid;
6317 ruid = OBJ2UID1(rid);
6318 euid = OBJ2UID1(eid);
6319 suid = OBJ2UID1(sid);
6321 if (setresuid(ruid, euid, suid) != 0) rb_sys_fail(0);
6325#define p_sys_setresuid rb_f_notimplement
6342proc_getuid(
VALUE obj)
6344 rb_uid_t uid = getuid();
6349#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETRUID) || defined(HAVE_SETUID)
6369#if defined(HAVE_SETRESUID)
6370 if (setresuid(uid, -1, -1) < 0) rb_sys_fail(0);
6371#elif defined HAVE_SETREUID
6372 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6373#elif defined HAVE_SETRUID
6374 if (setruid(uid) < 0) rb_sys_fail(0);
6375#elif defined HAVE_SETUID
6377 if (geteuid() == uid) {
6378 if (setuid(uid) < 0) rb_sys_fail(0);
6388#define proc_setuid rb_f_notimplement
6402static rb_uid_t SAVED_USER_ID = -1;
6404#ifdef BROKEN_SETREUID
6406setreuid(rb_uid_t ruid, rb_uid_t euid)
6408 if (ruid != (rb_uid_t)-1 && ruid != getuid()) {
6409 if (euid == (rb_uid_t)-1) euid = geteuid();
6410 if (setuid(ruid) < 0)
return -1;
6412 if (euid != (rb_uid_t)-1 && euid != geteuid()) {
6413 if (seteuid(euid) < 0)
return -1;
6441 if (geteuid() == 0) {
6442#if defined(HAVE_SETRESUID)
6443 if (setresuid(uid, uid, uid) < 0) rb_sys_fail(0);
6444 SAVED_USER_ID = uid;
6445#elif defined(HAVE_SETUID)
6446 if (setuid(uid) < 0) rb_sys_fail(0);
6447 SAVED_USER_ID = uid;
6448#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
6449 if (getuid() == uid) {
6450 if (SAVED_USER_ID == uid) {
6451 if (setreuid(-1, uid) < 0) rb_sys_fail(0);
6455 if (setreuid(-1, SAVED_USER_ID) < 0) rb_sys_fail(0);
6456 if (setreuid(SAVED_USER_ID, 0) < 0) rb_sys_fail(0);
6458 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6459 SAVED_USER_ID = uid;
6462 if (setreuid(0, -1) < 0) rb_sys_fail(0);
6464 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6465 SAVED_USER_ID = uid;
6470 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6471 SAVED_USER_ID = uid;
6473#elif defined(HAVE_SETRUID) && defined(HAVE_SETEUID)
6474 if (getuid() == uid) {
6475 if (SAVED_USER_ID == uid) {
6476 if (seteuid(uid) < 0) rb_sys_fail(0);
6480 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6482 if (setruid(0) < 0) rb_sys_fail(0);
6485 if (setruid(0) < 0) rb_sys_fail(0);
6487 if (seteuid(uid) < 0) rb_sys_fail(0);
6488 if (setruid(uid) < 0) rb_sys_fail(0);
6489 SAVED_USER_ID = uid;
6494 if (seteuid(uid) < 0) rb_sys_fail(0);
6495 if (setruid(uid) < 0) rb_sys_fail(0);
6496 SAVED_USER_ID = uid;
6504#if defined(HAVE_SETRESUID)
6505 if (setresuid((getuid() == uid)? (rb_uid_t)-1: uid,
6506 (geteuid() == uid)? (rb_uid_t)-1: uid,
6507 (SAVED_USER_ID == uid)? (rb_uid_t)-1: uid) < 0) rb_sys_fail(0);
6508 SAVED_USER_ID = uid;
6509#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
6510 if (SAVED_USER_ID == uid) {
6511 if (setreuid((getuid() == uid)? (rb_uid_t)-1: uid,
6512 (geteuid() == uid)? (rb_uid_t)-1: uid) < 0)
6515 else if (getuid() != uid) {
6516 if (setreuid(uid, (geteuid() == uid)? (rb_uid_t)-1: uid) < 0)
6518 SAVED_USER_ID = uid;
6520 else if ( geteuid() != uid) {
6521 if (setreuid(geteuid(), uid) < 0) rb_sys_fail(0);
6522 SAVED_USER_ID = uid;
6523 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6526 if (setreuid(-1, SAVED_USER_ID) < 0) rb_sys_fail(0);
6527 if (setreuid(SAVED_USER_ID, uid) < 0) rb_sys_fail(0);
6528 SAVED_USER_ID = uid;
6529 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6531#elif defined(HAVE_SETRUID) && defined(HAVE_SETEUID)
6532 if (SAVED_USER_ID == uid) {
6533 if (geteuid() != uid && seteuid(uid) < 0) rb_sys_fail(0);
6534 if (getuid() != uid && setruid(uid) < 0) rb_sys_fail(0);
6536 else if ( geteuid() == uid) {
6537 if (getuid() != uid) {
6538 if (setruid(uid) < 0) rb_sys_fail(0);
6539 SAVED_USER_ID = uid;
6542 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6543 SAVED_USER_ID = uid;
6544 if (setruid(uid) < 0) rb_sys_fail(0);
6547 else if ( getuid() == uid) {
6548 if (seteuid(uid) < 0) rb_sys_fail(0);
6549 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6550 SAVED_USER_ID = uid;
6551 if (setruid(uid) < 0) rb_sys_fail(0);
6556#elif defined HAVE_44BSD_SETUID
6557 if (getuid() == uid) {
6559 if (setuid(uid) < 0) rb_sys_fail(0);
6560 SAVED_USER_ID = uid;
6565#elif defined HAVE_SETEUID
6566 if (getuid() == uid && SAVED_USER_ID == uid) {
6567 if (seteuid(uid) < 0) rb_sys_fail(0);
6572#elif defined HAVE_SETUID
6573 if (getuid() == uid && SAVED_USER_ID == uid) {
6574 if (setuid(uid) < 0) rb_sys_fail(0);
6588#if defined HAVE_SETGID
6602 if (setgid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6606#define p_sys_setgid rb_f_notimplement
6610#if defined HAVE_SETRGID
6624 if (setrgid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6628#define p_sys_setrgid rb_f_notimplement
6632#if defined HAVE_SETEGID
6646 if (setegid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6650#define p_sys_setegid rb_f_notimplement
6654#if defined HAVE_SETREGID
6669 rb_gid_t rgid, egid;
6671 rgid = OBJ2GID(rid);
6672 egid = OBJ2GID(eid);
6673 if (setregid(rgid, egid) != 0) rb_sys_fail(0);
6677#define p_sys_setregid rb_f_notimplement
6680#if defined HAVE_SETRESGID
6695 rb_gid_t rgid, egid, sgid;
6697 rgid = OBJ2GID(rid);
6698 egid = OBJ2GID(eid);
6699 sgid = OBJ2GID(sid);
6700 if (setresgid(rgid, egid, sgid) != 0) rb_sys_fail(0);
6704#define p_sys_setresgid rb_f_notimplement
6708#if defined HAVE_ISSETUGID
6722p_sys_issetugid(
VALUE obj)
6724 return RBOOL(issetugid());
6727#define p_sys_issetugid rb_f_notimplement
6744proc_getgid(
VALUE obj)
6746 rb_gid_t gid = getgid();
6751#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETRGID) || defined(HAVE_SETGID)
6770#if defined(HAVE_SETRESGID)
6771 if (setresgid(gid, -1, -1) < 0) rb_sys_fail(0);
6772#elif defined HAVE_SETREGID
6773 if (setregid(gid, -1) < 0) rb_sys_fail(0);
6774#elif defined HAVE_SETRGID
6775 if (setrgid(gid) < 0) rb_sys_fail(0);
6776#elif defined HAVE_SETGID
6778 if (getegid() == gid) {
6779 if (setgid(gid) < 0) rb_sys_fail(0);
6789#define proc_setgid rb_f_notimplement
6793#if defined(_SC_NGROUPS_MAX) || defined(NGROUPS_MAX)
6813static int _maxgroups = -1;
6815get_sc_ngroups_max(
void)
6817#ifdef _SC_NGROUPS_MAX
6818 return (
int)sysconf(_SC_NGROUPS_MAX);
6819#elif defined(NGROUPS_MAX)
6820 return (
int)NGROUPS_MAX;
6828 if (_maxgroups < 0) {
6829 _maxgroups = get_sc_ngroups_max();
6831 _maxgroups = RB_MAX_GROUPS;
6840#ifdef HAVE_GETGROUPS
6864proc_getgroups(
VALUE obj)
6870 ngroups = getgroups(0, NULL);
6874 groups =
ALLOCV_N(rb_gid_t, tmp, ngroups);
6876 ngroups = getgroups(ngroups, groups);
6881 for (i = 0; i < ngroups; i++)
6882 rb_ary_push(ary,
GIDT2NUM(groups[i]));
6889#define proc_getgroups rb_f_notimplement
6893#ifdef HAVE_SETGROUPS
6918 if (ngroups > maxgroups())
6919 rb_raise(rb_eArgError,
"too many groups, %d max", maxgroups());
6921 groups =
ALLOCV_N(rb_gid_t, tmp, ngroups);
6923 for (i = 0; i < ngroups; i++) {
6926 groups[i] = OBJ2GID1(g);
6930 if (setgroups(ngroups, groups) == -1)
6935 return proc_getgroups(obj);
6938#define proc_setgroups rb_f_notimplement
6942#ifdef HAVE_INITGROUPS
6968 return proc_getgroups(obj);
6971#define proc_initgroups rb_f_notimplement
6974#if defined(_SC_NGROUPS_MAX) || defined(NGROUPS_MAX)
6987proc_getmaxgroups(
VALUE obj)
6992#define proc_getmaxgroups rb_f_notimplement
6995#ifdef HAVE_SETGROUPS
7008 int ngroups_max = get_sc_ngroups_max();
7011 rb_raise(rb_eArgError,
"maxgroups %d should be positive", ngroups);
7013 if (ngroups > RB_MAX_GROUPS)
7014 ngroups = RB_MAX_GROUPS;
7016 if (ngroups_max > 0 && ngroups > ngroups_max)
7017 ngroups = ngroups_max;
7019 _maxgroups = ngroups;
7024#define proc_setmaxgroups rb_f_notimplement
7027#if defined(HAVE_DAEMON) || (defined(HAVE_WORKING_FORK) && defined(HAVE_SETSID))
7028static int rb_daemon(
int nochdir,
int noclose);
7053 int n, nochdir = FALSE, noclose = FALSE;
7056 case 2: noclose = TO_BOOL(argv[1],
"noclose");
7057 case 1: nochdir = TO_BOOL(argv[0],
"nochdir");
7061 n = rb_daemon(nochdir, noclose);
7062 if (n < 0) rb_sys_fail(
"daemon");
7066extern const char ruby_null_device[];
7069rb_daemon(
int nochdir,
int noclose)
7074 err = daemon(nochdir, noclose);
7079 switch (rb_fork_ruby(NULL)) {
7082 default: _exit(EXIT_SUCCESS);
7086 if (setsid() < 0) (void)0;
7091 if (!noclose && (n =
rb_cloexec_open(ruby_null_device, O_RDWR, 0)) != -1) {
7103#define proc_daemon rb_f_notimplement
7116static rb_gid_t SAVED_GROUP_ID = -1;
7118#ifdef BROKEN_SETREGID
7120setregid(rb_gid_t rgid, rb_gid_t egid)
7122 if (rgid != (rb_gid_t)-1 && rgid != getgid()) {
7123 if (egid == (rb_gid_t)-1) egid = getegid();
7124 if (setgid(rgid) < 0)
return -1;
7126 if (egid != (rb_gid_t)-1 && egid != getegid()) {
7127 if (setegid(egid) < 0)
return -1;
7155 if (geteuid() == 0) {
7156#if defined(HAVE_SETRESGID)
7157 if (setresgid(gid, gid, gid) < 0) rb_sys_fail(0);
7158 SAVED_GROUP_ID = gid;
7159#elif defined HAVE_SETGID
7160 if (setgid(gid) < 0) rb_sys_fail(0);
7161 SAVED_GROUP_ID = gid;
7162#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7163 if (getgid() == gid) {
7164 if (SAVED_GROUP_ID == gid) {
7165 if (setregid(-1, gid) < 0) rb_sys_fail(0);
7169 if (setregid(-1, SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7170 if (setregid(SAVED_GROUP_ID, 0) < 0) rb_sys_fail(0);
7172 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7173 SAVED_GROUP_ID = gid;
7176 if (setregid(0, 0) < 0) rb_sys_fail(0);
7178 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7179 SAVED_GROUP_ID = gid;
7184 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7185 SAVED_GROUP_ID = gid;
7187#elif defined(HAVE_SETRGID) && defined (HAVE_SETEGID)
7188 if (getgid() == gid) {
7189 if (SAVED_GROUP_ID == gid) {
7190 if (setegid(gid) < 0) rb_sys_fail(0);
7194 if (setegid(gid) < 0) rb_sys_fail(0);
7195 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7197 if (setrgid(0) < 0) rb_sys_fail(0);
7200 if (setrgid(0) < 0) rb_sys_fail(0);
7202 if (setegid(gid) < 0) rb_sys_fail(0);
7203 if (setrgid(gid) < 0) rb_sys_fail(0);
7204 SAVED_GROUP_ID = gid;
7209 if (setegid(gid) < 0) rb_sys_fail(0);
7210 if (setrgid(gid) < 0) rb_sys_fail(0);
7211 SAVED_GROUP_ID = gid;
7218#if defined(HAVE_SETRESGID)
7219 if (setresgid((getgid() == gid)? (rb_gid_t)-1: gid,
7220 (getegid() == gid)? (rb_gid_t)-1: gid,
7221 (SAVED_GROUP_ID == gid)? (rb_gid_t)-1: gid) < 0) rb_sys_fail(0);
7222 SAVED_GROUP_ID = gid;
7223#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7224 if (SAVED_GROUP_ID == gid) {
7225 if (setregid((getgid() == gid)? (rb_uid_t)-1: gid,
7226 (getegid() == gid)? (rb_uid_t)-1: gid) < 0)
7229 else if (getgid() != gid) {
7230 if (setregid(gid, (getegid() == gid)? (rb_uid_t)-1: gid) < 0)
7232 SAVED_GROUP_ID = gid;
7234 else if ( getegid() != gid) {
7235 if (setregid(getegid(), gid) < 0) rb_sys_fail(0);
7236 SAVED_GROUP_ID = gid;
7237 if (setregid(gid, -1) < 0) rb_sys_fail(0);
7240 if (setregid(-1, SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7241 if (setregid(SAVED_GROUP_ID, gid) < 0) rb_sys_fail(0);
7242 SAVED_GROUP_ID = gid;
7243 if (setregid(gid, -1) < 0) rb_sys_fail(0);
7245#elif defined(HAVE_SETRGID) && defined(HAVE_SETEGID)
7246 if (SAVED_GROUP_ID == gid) {
7247 if (getegid() != gid && setegid(gid) < 0) rb_sys_fail(0);
7248 if (getgid() != gid && setrgid(gid) < 0) rb_sys_fail(0);
7250 else if ( getegid() == gid) {
7251 if (getgid() != gid) {
7252 if (setrgid(gid) < 0) rb_sys_fail(0);
7253 SAVED_GROUP_ID = gid;
7256 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7257 SAVED_GROUP_ID = gid;
7258 if (setrgid(gid) < 0) rb_sys_fail(0);
7261 else if ( getgid() == gid) {
7262 if (setegid(gid) < 0) rb_sys_fail(0);
7263 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7264 SAVED_GROUP_ID = gid;
7265 if (setrgid(gid) < 0) rb_sys_fail(0);
7270#elif defined HAVE_44BSD_SETGID
7271 if (getgid() == gid) {
7273 if (setgid(gid) < 0) rb_sys_fail(0);
7274 SAVED_GROUP_ID = gid;
7279#elif defined HAVE_SETEGID
7280 if (getgid() == gid && SAVED_GROUP_ID == gid) {
7281 if (setegid(gid) < 0) rb_sys_fail(0);
7286#elif defined HAVE_SETGID
7287 if (getgid() == gid && SAVED_GROUP_ID == gid) {
7288 if (setgid(gid) < 0) rb_sys_fail(0);
7315proc_geteuid(
VALUE obj)
7317 rb_uid_t euid = geteuid();
7321#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETEUID) || defined(HAVE_SETUID) || defined(_POSIX_SAVED_IDS)
7323proc_seteuid(rb_uid_t uid)
7325#if defined(HAVE_SETRESUID)
7326 if (setresuid(-1, uid, -1) < 0) rb_sys_fail(0);
7327#elif defined HAVE_SETREUID
7328 if (setreuid(-1, uid) < 0) rb_sys_fail(0);
7329#elif defined HAVE_SETEUID
7330 if (seteuid(uid) < 0) rb_sys_fail(0);
7331#elif defined HAVE_SETUID
7332 if (uid == getuid()) {
7333 if (setuid(uid) < 0) rb_sys_fail(0);
7344#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETEUID) || defined(HAVE_SETUID)
7358 proc_seteuid(OBJ2UID(euid));
7362#define proc_seteuid_m rb_f_notimplement
7366rb_seteuid_core(rb_uid_t euid)
7368#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7374#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7378#if defined(HAVE_SETRESUID)
7380 if (setresuid(-1,euid,euid) < 0) rb_sys_fail(0);
7381 SAVED_USER_ID = euid;
7384 if (setresuid(-1,euid,-1) < 0) rb_sys_fail(0);
7386#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7387 if (setreuid(-1, euid) < 0) rb_sys_fail(0);
7389 if (setreuid(euid,uid) < 0) rb_sys_fail(0);
7390 if (setreuid(uid,euid) < 0) rb_sys_fail(0);
7391 SAVED_USER_ID = euid;
7393#elif defined HAVE_SETEUID
7394 if (seteuid(euid) < 0) rb_sys_fail(0);
7395#elif defined HAVE_SETUID
7396 if (geteuid() == 0) rb_sys_fail(0);
7397 if (setuid(euid) < 0) rb_sys_fail(0);
7422 rb_seteuid_core(OBJ2UID(
id));
7441proc_getegid(
VALUE obj)
7443 rb_gid_t egid = getegid();
7448#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID) || defined(_POSIX_SAVED_IDS)
7461#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7467#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7468 gid = OBJ2GID(egid);
7471#if defined(HAVE_SETRESGID)
7472 if (setresgid(-1, gid, -1) < 0) rb_sys_fail(0);
7473#elif defined HAVE_SETREGID
7474 if (setregid(-1, gid) < 0) rb_sys_fail(0);
7475#elif defined HAVE_SETEGID
7476 if (setegid(gid) < 0) rb_sys_fail(0);
7477#elif defined HAVE_SETGID
7478 if (gid == getgid()) {
7479 if (setgid(gid) < 0) rb_sys_fail(0);
7491#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7492#define proc_setegid_m proc_setegid
7494#define proc_setegid_m rb_f_notimplement
7498rb_setegid_core(rb_gid_t egid)
7500#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7506#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7510#if defined(HAVE_SETRESGID)
7512 if (setresgid(-1,egid,egid) < 0) rb_sys_fail(0);
7513 SAVED_GROUP_ID = egid;
7516 if (setresgid(-1,egid,-1) < 0) rb_sys_fail(0);
7518#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7519 if (setregid(-1, egid) < 0) rb_sys_fail(0);
7521 if (setregid(egid,gid) < 0) rb_sys_fail(0);
7522 if (setregid(gid,egid) < 0) rb_sys_fail(0);
7523 SAVED_GROUP_ID = egid;
7525#elif defined HAVE_SETEGID
7526 if (setegid(egid) < 0) rb_sys_fail(0);
7527#elif defined HAVE_SETGID
7528 if (geteuid() == 0 ) rb_sys_fail(0);
7529 if (setgid(egid) < 0) rb_sys_fail(0);
7554 rb_setegid_core(OBJ2GID(
id));
7569p_uid_exchangeable(
VALUE _)
7571#if defined(HAVE_SETRESUID)
7573#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7594p_uid_exchange(
VALUE obj)
7597#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7604#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7608#if defined(HAVE_SETRESUID)
7609 if (setresuid(euid, uid, uid) < 0) rb_sys_fail(0);
7610 SAVED_USER_ID = uid;
7611#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7612 if (setreuid(euid,uid) < 0) rb_sys_fail(0);
7613 SAVED_USER_ID = uid;
7631p_gid_exchangeable(
VALUE _)
7633#if defined(HAVE_SETRESGID)
7635#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7656p_gid_exchange(
VALUE obj)
7659#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7666#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7670#if defined(HAVE_SETRESGID)
7671 if (setresgid(egid, gid, gid) < 0) rb_sys_fail(0);
7672 SAVED_GROUP_ID = gid;
7673#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7674 if (setregid(egid,gid) < 0) rb_sys_fail(0);
7675 SAVED_GROUP_ID = gid;
7694p_uid_have_saved_id(
VALUE _)
7696#if defined(HAVE_SETRESUID) || defined(HAVE_SETEUID) || defined(_POSIX_SAVED_IDS)
7704#if defined(HAVE_SETRESUID) || defined(HAVE_SETEUID) || defined(_POSIX_SAVED_IDS)
7706p_uid_sw_ensure(
VALUE i)
7708 rb_uid_t
id = (rb_uid_t)i;
7709 under_uid_switch = 0;
7710 id = rb_seteuid_core(
id);
7729p_uid_switch(
VALUE obj)
7741 under_uid_switch = 1;
7748 else if (euid != SAVED_USER_ID) {
7749 proc_seteuid(SAVED_USER_ID);
7751 under_uid_switch = 1;
7766p_uid_sw_ensure(
VALUE obj)
7768 under_uid_switch = 0;
7769 return p_uid_exchange(obj);
7773p_uid_switch(
VALUE obj)
7785 p_uid_exchange(obj);
7787 under_uid_switch = 1;
7809p_gid_have_saved_id(
VALUE _)
7811#if defined(HAVE_SETRESGID) || defined(HAVE_SETEGID) || defined(_POSIX_SAVED_IDS)
7818#if defined(HAVE_SETRESGID) || defined(HAVE_SETEGID) || defined(_POSIX_SAVED_IDS)
7820p_gid_sw_ensure(
VALUE i)
7822 rb_gid_t
id = (rb_gid_t)i;
7823 under_gid_switch = 0;
7824 id = rb_setegid_core(
id);
7843p_gid_switch(
VALUE obj)
7855 under_gid_switch = 1;
7862 else if (egid != SAVED_GROUP_ID) {
7863 proc_setegid(obj,
GIDT2NUM(SAVED_GROUP_ID));
7865 under_gid_switch = 1;
7880p_gid_sw_ensure(
VALUE obj)
7882 under_gid_switch = 0;
7883 return p_gid_exchange(obj);
7887p_gid_switch(
VALUE obj)
7899 p_gid_exchange(obj);
7901 under_gid_switch = 1;
7911#if defined(HAVE_TIMES)
7915#ifdef HAVE__SC_CLK_TCK
7916 return sysconf(_SC_CLK_TCK);
7917#elif defined CLK_TCK
7940rb_proc_times(
VALUE obj)
7942 VALUE utime, stime, cutime, cstime, ret;
7943#if defined(RUSAGE_SELF) && defined(RUSAGE_CHILDREN)
7944 struct rusage usage_s, usage_c;
7946 if (getrusage(RUSAGE_SELF, &usage_s) != 0 || getrusage(RUSAGE_CHILDREN, &usage_c) != 0)
7947 rb_sys_fail(
"getrusage");
7948 utime =
DBL2NUM((
double)usage_s.ru_utime.tv_sec + (
double)usage_s.ru_utime.tv_usec/1e6);
7949 stime =
DBL2NUM((
double)usage_s.ru_stime.tv_sec + (
double)usage_s.ru_stime.tv_usec/1e6);
7950 cutime =
DBL2NUM((
double)usage_c.ru_utime.tv_sec + (
double)usage_c.ru_utime.tv_usec/1e6);
7951 cstime =
DBL2NUM((
double)usage_c.ru_stime.tv_sec + (
double)usage_c.ru_stime.tv_usec/1e6);
7953 const double hertz = (double)get_clk_tck();
7957 utime =
DBL2NUM(buf.tms_utime / hertz);
7958 stime =
DBL2NUM(buf.tms_stime / hertz);
7959 cutime =
DBL2NUM(buf.tms_cutime / hertz);
7960 cstime =
DBL2NUM(buf.tms_cstime / hertz);
7962 ret =
rb_struct_new(rb_cProcessTms, utime, stime, cutime, cstime);
7970#define rb_proc_times rb_f_notimplement
7973#ifdef HAVE_LONG_LONG
7975#define TIMETICK_INT_MIN LLONG_MIN
7976#define TIMETICK_INT_MAX LLONG_MAX
7977#define TIMETICK_INT2NUM(v) LL2NUM(v)
7978#define MUL_OVERFLOW_TIMETICK_P(a, b) MUL_OVERFLOW_LONG_LONG_P(a, b)
7980typedef long timetick_int_t;
7981#define TIMETICK_INT_MIN LONG_MIN
7982#define TIMETICK_INT_MAX LONG_MAX
7983#define TIMETICK_INT2NUM(v) LONG2NUM(v)
7984#define MUL_OVERFLOW_TIMETICK_P(a, b) MUL_OVERFLOW_LONG_P(a, b)
7987CONSTFUNC(
static timetick_int_t gcd_timetick_int(timetick_int_t, timetick_int_t));
7988static timetick_int_t
7989gcd_timetick_int(timetick_int_t a, timetick_int_t b)
8009reduce_fraction(timetick_int_t *np, timetick_int_t *dp)
8011 timetick_int_t gcd = gcd_timetick_int(*np, *dp);
8019reduce_factors(timetick_int_t *numerators,
int num_numerators,
8020 timetick_int_t *denominators,
int num_denominators)
8023 for (i = 0; i < num_numerators; i++) {
8024 if (numerators[i] == 1)
8026 for (j = 0; j < num_denominators; j++) {
8027 if (denominators[j] == 1)
8029 reduce_fraction(&numerators[i], &denominators[j]);
8035 timetick_int_t giga_count;
8040timetick2dblnum(
struct timetick *ttp,
8041 timetick_int_t *numerators,
int num_numerators,
8042 timetick_int_t *denominators,
int num_denominators)
8047 reduce_factors(numerators, num_numerators,
8048 denominators, num_denominators);
8050 d = ttp->giga_count * 1e9 + ttp->count;
8052 for (i = 0; i < num_numerators; i++)
8054 for (i = 0; i < num_denominators; i++)
8055 d /= denominators[i];
8061timetick2dblnum_reciprocal(
struct timetick *ttp,
8062 timetick_int_t *numerators,
int num_numerators,
8063 timetick_int_t *denominators,
int num_denominators)
8068 reduce_factors(numerators, num_numerators,
8069 denominators, num_denominators);
8072 for (i = 0; i < num_denominators; i++)
8073 d *= denominators[i];
8074 for (i = 0; i < num_numerators; i++)
8076 d /= ttp->giga_count * 1e9 + ttp->count;
8081#define NDIV(x,y) (-(-((x)+1)/(y))-1)
8082#define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
8085timetick2integer(
struct timetick *ttp,
8086 timetick_int_t *numerators,
int num_numerators,
8087 timetick_int_t *denominators,
int num_denominators)
8092 reduce_factors(numerators, num_numerators,
8093 denominators, num_denominators);
8095 if (!MUL_OVERFLOW_SIGNED_INTEGER_P(1000000000, ttp->giga_count,
8096 TIMETICK_INT_MIN, TIMETICK_INT_MAX-ttp->count)) {
8097 timetick_int_t t = ttp->giga_count * 1000000000 + ttp->count;
8098 for (i = 0; i < num_numerators; i++) {
8099 timetick_int_t factor = numerators[i];
8100 if (MUL_OVERFLOW_TIMETICK_P(factor, t))
8104 for (i = 0; i < num_denominators; i++) {
8105 t = DIV(t, denominators[i]);
8107 return TIMETICK_INT2NUM(t);
8111 v = TIMETICK_INT2NUM(ttp->giga_count);
8114 for (i = 0; i < num_numerators; i++) {
8115 timetick_int_t factor = numerators[i];
8118 v =
rb_funcall(v,
'*', 1, TIMETICK_INT2NUM(factor));
8120 for (i = 0; i < num_denominators; i++) {
8121 v =
rb_funcall(v,
'/', 1, TIMETICK_INT2NUM(denominators[i]));
8127make_clock_result(
struct timetick *ttp,
8128 timetick_int_t *numerators,
int num_numerators,
8129 timetick_int_t *denominators,
int num_denominators,
8132 if (unit ==
ID2SYM(id_nanosecond)) {
8133 numerators[num_numerators++] = 1000000000;
8134 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8136 else if (unit ==
ID2SYM(id_microsecond)) {
8137 numerators[num_numerators++] = 1000000;
8138 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8140 else if (unit ==
ID2SYM(id_millisecond)) {
8141 numerators[num_numerators++] = 1000;
8142 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8144 else if (unit ==
ID2SYM(id_second)) {
8145 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8147 else if (unit ==
ID2SYM(id_float_microsecond)) {
8148 numerators[num_numerators++] = 1000000;
8149 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8151 else if (unit ==
ID2SYM(id_float_millisecond)) {
8152 numerators[num_numerators++] = 1000;
8153 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8155 else if (
NIL_P(unit) || unit ==
ID2SYM(id_float_second)) {
8156 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8159 rb_raise(rb_eArgError,
"unexpected unit: %"PRIsVALUE, unit);
8163static const mach_timebase_info_data_t *
8164get_mach_timebase_info(
void)
8166 static mach_timebase_info_data_t sTimebaseInfo;
8168 if ( sTimebaseInfo.denom == 0 ) {
8169 (void) mach_timebase_info(&sTimebaseInfo);
8172 return &sTimebaseInfo;
8176ruby_real_ms_time(
void)
8178 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8179 uint64_t t = mach_absolute_time();
8180 return (
double)t * info->numer / info->denom / 1e6;
8184#if defined(NUM2CLOCKID)
8185# define NUMERIC_CLOCKID 1
8187# define NUMERIC_CLOCKID 0
8188# define NUM2CLOCKID(x) 0
8191#define clock_failed(name, err, arg) do { \
8192 int clock_error = (err); \
8193 rb_syserr_fail_str(clock_error, rb_sprintf("clock_" name "(%+"PRIsVALUE")", (arg))); \
8366 timetick_int_t numerators[2];
8367 timetick_int_t denominators[2];
8368 int num_numerators = 0;
8369 int num_denominators = 0;
8372 VALUE clk_id = argv[0];
8373#ifdef HAVE_CLOCK_GETTIME
8378#ifdef CLOCK_REALTIME
8379 if (clk_id == RUBY_CLOCK_REALTIME) {
8385#ifdef CLOCK_MONOTONIC
8386 if (clk_id == RUBY_CLOCK_MONOTONIC) {
8387 c = CLOCK_MONOTONIC;
8392#ifdef CLOCK_PROCESS_CPUTIME_ID
8393 if (clk_id == RUBY_CLOCK_PROCESS_CPUTIME_ID) {
8394 c = CLOCK_PROCESS_CPUTIME_ID;
8399#ifdef CLOCK_THREAD_CPUTIME_ID
8400 if (clk_id == RUBY_CLOCK_THREAD_CPUTIME_ID) {
8401 c = CLOCK_THREAD_CPUTIME_ID;
8409#ifdef HAVE_GETTIMEOFDAY
8414#define RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME ID2SYM(id_GETTIMEOFDAY_BASED_CLOCK_REALTIME)
8415 if (clk_id == RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME) {
8417 ret = gettimeofday(&tv, 0);
8419 rb_sys_fail(
"gettimeofday");
8420 tt.giga_count = tv.tv_sec;
8421 tt.count = (int32_t)tv.tv_usec * 1000;
8422 denominators[num_denominators++] = 1000000000;
8427#define RUBY_TIME_BASED_CLOCK_REALTIME ID2SYM(id_TIME_BASED_CLOCK_REALTIME)
8428 if (clk_id == RUBY_TIME_BASED_CLOCK_REALTIME) {
8431 if (t == (time_t)-1)
8432 rb_sys_fail(
"time");
8435 denominators[num_denominators++] = 1000000000;
8440#define RUBY_TIMES_BASED_CLOCK_MONOTONIC \
8441 ID2SYM(id_TIMES_BASED_CLOCK_MONOTONIC)
8442 if (clk_id == RUBY_TIMES_BASED_CLOCK_MONOTONIC) {
8445 unsigned_clock_t uc;
8447 if (c == (clock_t)-1)
8448 rb_sys_fail(
"times");
8449 uc = (unsigned_clock_t)c;
8450 tt.count = (int32_t)(uc % 1000000000);
8451 tt.giga_count = (uc / 1000000000);
8452 denominators[num_denominators++] = get_clk_tck();
8458#define RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID \
8459 ID2SYM(id_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID)
8460 if (clk_id == RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8461 struct rusage usage;
8463 ret = getrusage(RUSAGE_SELF, &usage);
8465 rb_sys_fail(
"getrusage");
8466 tt.giga_count = usage.ru_utime.tv_sec + usage.ru_stime.tv_sec;
8467 usec = (int32_t)(usage.ru_utime.tv_usec + usage.ru_stime.tv_usec);
8468 if (1000000 <= usec) {
8472 tt.count = usec * 1000;
8473 denominators[num_denominators++] = 1000000000;
8479#define RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID \
8480 ID2SYM(id_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID)
8481 if (clk_id == RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8483 unsigned_clock_t utime, stime;
8484 if (times(&buf) == (clock_t)-1)
8485 rb_sys_fail(
"times");
8486 utime = (unsigned_clock_t)buf.tms_utime;
8487 stime = (unsigned_clock_t)buf.tms_stime;
8488 tt.count = (int32_t)((utime % 1000000000) + (stime % 1000000000));
8489 tt.giga_count = (utime / 1000000000) + (stime / 1000000000);
8490 if (1000000000 <= tt.count) {
8491 tt.count -= 1000000000;
8494 denominators[num_denominators++] = get_clk_tck();
8499#define RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID \
8500 ID2SYM(id_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID)
8501 if (clk_id == RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8503 unsigned_clock_t uc;
8506 if (c == (clock_t)-1)
8507 rb_sys_fail(
"clock");
8508 uc = (unsigned_clock_t)c;
8509 tt.count = (int32_t)(uc % 1000000000);
8510 tt.giga_count = uc / 1000000000;
8511 denominators[num_denominators++] = CLOCKS_PER_SEC;
8516 if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
8517 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8518 uint64_t t = mach_absolute_time();
8519 tt.count = (int32_t)(t % 1000000000);
8520 tt.giga_count = t / 1000000000;
8521 numerators[num_numerators++] = info->numer;
8522 denominators[num_denominators++] = info->denom;
8523 denominators[num_denominators++] = 1000000000;
8528 else if (NUMERIC_CLOCKID) {
8529#if defined(HAVE_CLOCK_GETTIME)
8531 c = NUM2CLOCKID(clk_id);
8533 ret = clock_gettime(c, &ts);
8535 clock_failed(
"gettime",
errno, clk_id);
8536 tt.count = (int32_t)ts.tv_nsec;
8537 tt.giga_count = ts.tv_sec;
8538 denominators[num_denominators++] = 1000000000;
8545 clock_failed(
"gettime", EINVAL, clk_id);
8548 return make_clock_result(&tt, numerators, num_numerators, denominators, num_denominators, unit);
8593 timetick_int_t numerators[2];
8594 timetick_int_t denominators[2];
8595 int num_numerators = 0;
8596 int num_denominators = 0;
8597#ifdef HAVE_CLOCK_GETRES
8602 VALUE clk_id = argv[0];
8605#ifdef CLOCK_REALTIME
8606 if (clk_id == RUBY_CLOCK_REALTIME) {
8612#ifdef CLOCK_MONOTONIC
8613 if (clk_id == RUBY_CLOCK_MONOTONIC) {
8614 c = CLOCK_MONOTONIC;
8619#ifdef CLOCK_PROCESS_CPUTIME_ID
8620 if (clk_id == RUBY_CLOCK_PROCESS_CPUTIME_ID) {
8621 c = CLOCK_PROCESS_CPUTIME_ID;
8626#ifdef CLOCK_THREAD_CPUTIME_ID
8627 if (clk_id == RUBY_CLOCK_THREAD_CPUTIME_ID) {
8628 c = CLOCK_THREAD_CPUTIME_ID;
8633#ifdef RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME
8634 if (clk_id == RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME) {
8637 denominators[num_denominators++] = 1000000000;
8642#ifdef RUBY_TIME_BASED_CLOCK_REALTIME
8643 if (clk_id == RUBY_TIME_BASED_CLOCK_REALTIME) {
8646 denominators[num_denominators++] = 1000000000;
8651#ifdef RUBY_TIMES_BASED_CLOCK_MONOTONIC
8652 if (clk_id == RUBY_TIMES_BASED_CLOCK_MONOTONIC) {
8655 denominators[num_denominators++] = get_clk_tck();
8660#ifdef RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
8661 if (clk_id == RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8664 denominators[num_denominators++] = 1000000000;
8669#ifdef RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
8670 if (clk_id == RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8673 denominators[num_denominators++] = get_clk_tck();
8678#ifdef RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
8679 if (clk_id == RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8682 denominators[num_denominators++] = CLOCKS_PER_SEC;
8687#ifdef RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
8688 if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
8689 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8692 numerators[num_numerators++] = info->numer;
8693 denominators[num_denominators++] = info->denom;
8694 denominators[num_denominators++] = 1000000000;
8699 else if (NUMERIC_CLOCKID) {
8700#if defined(HAVE_CLOCK_GETRES)
8702 c = NUM2CLOCKID(clk_id);
8704 ret = clock_getres(c, &ts);
8706 clock_failed(
"getres",
errno, clk_id);
8707 tt.count = (int32_t)ts.tv_nsec;
8708 tt.giga_count = ts.tv_sec;
8709 denominators[num_denominators++] = 1000000000;
8716 clock_failed(
"getres", EINVAL, clk_id);
8719 if (unit ==
ID2SYM(id_hertz)) {
8720 return timetick2dblnum_reciprocal(&tt, numerators, num_numerators, denominators, num_denominators);
8723 return make_clock_result(&tt, numerators, num_numerators, denominators, num_denominators, unit);
8728get_CHILD_STATUS(
ID _x,
VALUE *_y)
8734get_PROCESS_ID(
ID _x,
VALUE *_y)
8826static VALUE rb_mProcUID;
8827static VALUE rb_mProcGID;
8828static VALUE rb_mProcID_Syscall;
8860 rb_gc_prepare_heap();
9288 rb_gvar_ractor_local(
"$$");
9289 rb_gvar_ractor_local(
"$?");
9344 process_status_dump, process_status_load);
9382#ifdef HAVE_GETPRIORITY
9393#if defined(RLIM2NUM) && defined(RLIM_INFINITY)
9395 VALUE inf = RLIM2NUM(RLIM_INFINITY);
9396#ifdef RLIM_SAVED_MAX
9398 VALUE v = RLIM_INFINITY == RLIM_SAVED_MAX ? inf : RLIM2NUM(RLIM_SAVED_MAX);
9405#ifdef RLIM_SAVED_CUR
9407 VALUE v = RLIM_INFINITY == RLIM_SAVED_CUR ? inf : RLIM2NUM(RLIM_SAVED_CUR);
9448#ifdef RLIMIT_MEMLOCK
9455#ifdef RLIMIT_MSGQUEUE
9521#ifdef RLIMIT_SIGPENDING
9556#if defined(RUBY_CLOCK_REALTIME)
9557#elif defined(RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME)
9558# define RUBY_CLOCK_REALTIME RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME
9559#elif defined(RUBY_TIME_BASED_CLOCK_REALTIME)
9560# define RUBY_CLOCK_REALTIME RUBY_TIME_BASED_CLOCK_REALTIME
9562#if defined(CLOCK_REALTIME) && defined(CLOCKID2NUM)
9565#elif defined(RUBY_CLOCK_REALTIME)
9569#if defined(RUBY_CLOCK_MONOTONIC)
9570#elif defined(RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC)
9571# define RUBY_CLOCK_MONOTONIC RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
9573#if defined(CLOCK_MONOTONIC) && defined(CLOCKID2NUM)
9576#elif defined(RUBY_CLOCK_MONOTONIC)
9580#if defined(RUBY_CLOCK_PROCESS_CPUTIME_ID)
9581#elif defined(RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID)
9582# define RUBY_CLOCK_PROCESS_CPUTIME_ID RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
9584#if defined(CLOCK_PROCESS_CPUTIME_ID) && defined(CLOCKID2NUM)
9587#elif defined(RUBY_CLOCK_PROCESS_CPUTIME_ID)
9591#if defined(CLOCK_THREAD_CPUTIME_ID) && defined(CLOCKID2NUM)
9594#elif defined(RUBY_CLOCK_THREAD_CPUTIME_ID)
9607#ifdef CLOCK_REALTIME_FAST
9611#ifdef CLOCK_REALTIME_PRECISE
9615#ifdef CLOCK_REALTIME_COARSE
9619#ifdef CLOCK_REALTIME_ALARM
9623#ifdef CLOCK_MONOTONIC_FAST
9627#ifdef CLOCK_MONOTONIC_PRECISE
9631#ifdef CLOCK_MONOTONIC_RAW
9635#ifdef CLOCK_MONOTONIC_RAW_APPROX
9639#ifdef CLOCK_MONOTONIC_COARSE
9643#ifdef CLOCK_BOOTTIME
9647#ifdef CLOCK_BOOTTIME_ALARM
9655#ifdef CLOCK_UPTIME_FAST
9659#ifdef CLOCK_UPTIME_PRECISE
9663#ifdef CLOCK_UPTIME_RAW
9667#ifdef CLOCK_UPTIME_RAW_APPROX
9683#if defined(HAVE_TIMES) || defined(_WIN32)
9697 SAVED_USER_ID = geteuid();
9698 SAVED_GROUP_ID = getegid();
9721#ifdef p_uid_from_name
9724#ifdef p_gid_from_name
9755#define define_id(name) id_##name = rb_intern_const(#name)
9768 define_id(new_pgroup);
9770 define_id(unsetenv_others);
9773 define_id(close_others);
9774 define_id(nanosecond);
9775 define_id(microsecond);
9776 define_id(millisecond);
9778 define_id(float_microsecond);
9779 define_id(float_millisecond);
9780 define_id(float_second);
9781 define_id(GETTIMEOFDAY_BASED_CLOCK_REALTIME);
9782 define_id(TIME_BASED_CLOCK_REALTIME);
9783#ifdef CLOCK_REALTIME
9784 define_id(CLOCK_REALTIME);
9786#ifdef CLOCK_MONOTONIC
9787 define_id(CLOCK_MONOTONIC);
9789#ifdef CLOCK_PROCESS_CPUTIME_ID
9790 define_id(CLOCK_PROCESS_CPUTIME_ID);
9792#ifdef CLOCK_THREAD_CPUTIME_ID
9793 define_id(CLOCK_THREAD_CPUTIME_ID);
9796 define_id(TIMES_BASED_CLOCK_MONOTONIC);
9797 define_id(TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID);
9800 define_id(GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID);
9802 define_id(CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID);
9804 define_id(MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC);
#define rb_define_method(klass, mid, func, arity)
Defines klass#mid.
#define rb_define_singleton_method(klass, mid, func, arity)
Defines klass.mid.
#define rb_define_module_function(klass, mid, func, arity)
Defines klass#mid and makes it a module function.
#define rb_define_global_function(mid, func, arity)
Defines rb_mKernel #mid.
#define GIDT2NUM
Converts a C's gid_t into an instance of rb_cInteger.
#define NUM2GIDT
Converts an instance of rb_cNumeric into C's gid_t.
VALUE rb_singleton_class(VALUE obj)
Finds or creates the singleton class of the passed object.
VALUE rb_define_class_under(VALUE outer, const char *name, VALUE super)
Defines a class under the namespace of outer.
VALUE rb_define_module(const char *name)
Defines a top-level module.
VALUE rb_define_module_under(VALUE outer, const char *name)
Defines a module under the namespace of outer.
void rb_define_alias(VALUE klass, const char *name1, const char *name2)
Defines an alias of a method.
void rb_define_attr(VALUE klass, const char *name, int read, int write)
Defines public accessor method(s) for an attribute.
void rb_undef_method(VALUE klass, const char *name)
Defines an undef of a method.
int rb_block_given_p(void)
Determines if the current method is given a block.
#define rb_str_new2
Old name of rb_str_new_cstr.
#define TYPE(_)
Old name of rb_type.
#define T_FILE
Old name of RUBY_T_FILE.
#define rb_str_buf_cat2
Old name of rb_usascii_str_new_cstr.
#define T_STRING
Old name of RUBY_T_STRING.
#define Qundef
Old name of RUBY_Qundef.
#define INT2FIX
Old name of RB_INT2FIX.
#define rb_str_cat2
Old name of rb_str_cat_cstr.
#define ISUPPER
Old name of rb_isupper.
#define ID2SYM
Old name of RB_ID2SYM.
#define T_BIGNUM
Old name of RUBY_T_BIGNUM.
#define T_FIXNUM
Old name of RUBY_T_FIXNUM.
#define UNREACHABLE_RETURN
Old name of RBIMPL_UNREACHABLE_RETURN.
#define CLASS_OF
Old name of rb_class_of.
#define LONG2FIX
Old name of RB_INT2FIX.
#define FIX2INT
Old name of RB_FIX2INT.
#define TOUPPER
Old name of rb_toupper.
#define NUM2UINT
Old name of RB_NUM2UINT.
#define ISLOWER
Old name of rb_islower.
#define rb_ary_new3
Old name of rb_ary_new_from_args.
#define Qtrue
Old name of RUBY_Qtrue.
#define NUM2INT
Old name of RB_NUM2INT.
#define INT2NUM
Old name of RB_INT2NUM.
#define Qnil
Old name of RUBY_Qnil.
#define Qfalse
Old name of RUBY_Qfalse.
#define T_ARRAY
Old name of RUBY_T_ARRAY.
#define NIL_P
Old name of RB_NIL_P.
#define ALLOCV_N
Old name of RB_ALLOCV_N.
#define T_SYMBOL
Old name of RUBY_T_SYMBOL.
#define DBL2NUM
Old name of rb_float_new.
#define FIXNUM_P
Old name of RB_FIXNUM_P.
#define CONST_ID
Old name of RUBY_CONST_ID.
#define ALLOCV_END
Old name of RB_ALLOCV_END.
#define SYMBOL_P
Old name of RB_SYMBOL_P.
void ruby_stop(int ex)
Calls ruby_cleanup() and exits the process.
void rb_notimplement(void)
VALUE rb_eNotImpError
NotImplementedError exception.
void rb_syserr_fail(int e, const char *mesg)
Raises appropriate exception that represents a C errno.
VALUE rb_eSystemExit
SystemExit exception.
void rb_syserr_fail_str(int e, VALUE mesg)
Identical to rb_syserr_fail(), except it takes the message in Ruby's String instead of C's.
VALUE rb_eRuntimeError
RuntimeError exception.
void * rb_check_typeddata(VALUE obj, const rb_data_type_t *data_type)
Identical to rb_typeddata_is_kind_of(), except it raises exceptions instead of returning false.
void rb_warn(const char *fmt,...)
Identical to rb_warning(), except it reports unless $VERBOSE is nil.
VALUE rb_exc_new_str(VALUE etype, VALUE str)
Identical to rb_exc_new_cstr(), except it takes a Ruby's string instead of C's.
void rb_unexpected_type(VALUE x, int t)
Fails with the given object's type incompatibility to the type.
void rb_exit(int status)
Terminates the current execution context.
VALUE rb_mProcess
Process module.
VALUE rb_class_new_instance(int argc, const VALUE *argv, VALUE klass)
Allocates, then initialises an instance of the given class.
VALUE rb_cThread
Thread class.
VALUE rb_equal(VALUE lhs, VALUE rhs)
This function is an optimised version of calling #==.
VALUE rb_obj_freeze(VALUE obj)
Just calls rb_obj_freeze_inline() inside.
VALUE rb_to_int(VALUE val)
Identical to rb_check_to_int(), except it raises in case of conversion mismatch.
#define RB_OBJ_WRITTEN(old, oldv, young)
Identical to RB_OBJ_WRITE(), except it doesn't write any values, but only a WB declaration.
VALUE rb_funcall(VALUE recv, ID mid, int n,...)
Calls a method.
#define UNLIMITED_ARGUMENTS
This macro is used in conjunction with rb_check_arity().
static int rb_check_arity(int argc, int min, int max)
Ensures that the passed integer is in the passed range.
VALUE rb_f_abort(int argc, const VALUE *argv)
This is similar to rb_f_exit().
VALUE rb_f_exit(int argc, const VALUE *argv)
Identical to rb_exit(), except how arguments are passed.
int rb_cloexec_dup2(int oldfd, int newfd)
Identical to rb_cloexec_dup(), except you can specify the destination file descriptor.
void rb_update_max_fd(int fd)
Informs the interpreter that the passed fd can be the max.
int rb_cloexec_open(const char *pathname, int flags, mode_t mode)
Opens a file that closes on exec.
void rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds)
Closes everything.
int rb_reserved_fd_p(int fd)
Queries if the given FD is reserved or not.
int rb_pipe(int *pipes)
This is an rb_cloexec_pipe() + rb_update_max_fd() combo.
int rb_cloexec_fcntl_dupfd(int fd, int minfd)
Duplicates a file descriptor with closing on exec.
int rb_cloexec_dup(int oldfd)
Identical to rb_cloexec_fcntl_dupfd(), except it implies minfd is 3.
int rb_proc_exec(const char *cmd)
Executes a shell command.
VALUE rb_last_status_get(void)
Queries the "last status", or the $?.
rb_pid_t rb_waitpid(rb_pid_t pid, int *status, int flags)
Waits for a process, with releasing GVL.
rb_pid_t rb_spawn_err(int argc, const VALUE *argv, char *errbuf, size_t buflen)
Identical to rb_spawn(), except you can additionally know the detailed situation in case of abnormal ...
void rb_syswait(rb_pid_t pid)
This is a shorthand of rb_waitpid without status and flags.
VALUE rb_f_exec(int argc, const VALUE *argv)
Replaces the current process by running the given external command.
rb_pid_t rb_spawn(int argc, const VALUE *argv)
Identical to rb_f_exec(), except it spawns a child process instead of replacing the current one.
VALUE rb_process_status_wait(rb_pid_t pid, int flags)
Wait for the specified process to terminate, reap it, and return its status.
void rb_last_status_set(int status, rb_pid_t pid)
Sets the "last status", or the $?.
VALUE rb_detach_process(rb_pid_t pid)
"Detaches" a subprocess.
const char * ruby_signal_name(int signo)
Queries the name of the signal.
VALUE rb_f_kill(int argc, const VALUE *argv)
Sends a signal ("kills") to processes.
VALUE rb_str_append(VALUE dst, VALUE src)
Identical to rb_str_buf_append(), except it converts the right hand side before concatenating.
VALUE rb_str_tmp_new(long len)
Allocates a "temporary" string.
VALUE rb_str_subseq(VALUE str, long beg, long len)
Identical to rb_str_substr(), except the numbers are interpreted as byte offsets instead of character...
#define rb_str_new(str, len)
Allocates an instance of rb_cString.
#define rb_str_buf_cat
Just another name of rb_str_cat.
size_t rb_str_capacity(VALUE str)
Queries the capacity of the given string.
VALUE rb_str_new_frozen(VALUE str)
Creates a frozen copy of the string, if necessary.
VALUE rb_str_dup(VALUE str)
Duplicates a string.
void rb_str_set_len(VALUE str, long len)
Overwrites the length of the string.
VALUE rb_check_string_type(VALUE obj)
Try converting an object to its stringised representation using its to_str method,...
#define rb_str_cat_cstr(buf, str)
Identical to rb_str_cat(), except it assumes the passed pointer is a pointer to a C string.
void rb_str_modify_expand(VALUE str, long capa)
Identical to rb_str_modify(), except it additionally expands the capacity of the receiver.
VALUE rb_str_buf_new(long capa)
Allocates a "string buffer".
#define rb_str_new_cstr(str)
Identical to rb_str_new, except it assumes the passed pointer is a pointer to a C string.
VALUE rb_struct_define_under(VALUE space, const char *name,...)
Identical to rb_struct_define(), except it defines the class under the specified namespace instead of...
VALUE rb_struct_new(VALUE klass,...)
Creates an instance of the given struct.
VALUE rb_thread_local_aref(VALUE thread, ID key)
This badly named function reads from a Fiber local storage.
#define RUBY_UBF_IO
A special UBF for blocking IO operations.
void rb_thread_sleep_forever(void)
Blocks indefinitely.
void rb_thread_wait_for(struct timeval time)
Identical to rb_thread_sleep(), except it takes struct timeval instead.
void rb_thread_check_ints(void)
Checks for interrupts.
void rb_thread_atfork(void)
A pthread_atfork(3posix)-like API.
VALUE rb_thread_local_aset(VALUE thread, ID key, VALUE val)
This badly named function writes to a Fiber local storage.
#define RUBY_UBF_PROCESS
A special UBF for blocking process operations.
void rb_thread_sleep(int sec)
Blocks for the given period of time.
struct timeval rb_time_interval(VALUE num)
Creates a "time interval".
VALUE rb_ivar_set(VALUE obj, ID name, VALUE val)
Identical to rb_iv_set(), except it accepts the name as an ID instead of a C string.
void rb_undef_alloc_func(VALUE klass)
Deletes the allocator function of a class.
void rb_define_alloc_func(VALUE klass, rb_alloc_func_t func)
Sets the allocator function of a class.
ID rb_check_id(volatile VALUE *namep)
Detects if the given name is already interned or not.
VALUE rb_sym2str(VALUE symbol)
Obtain a frozen string representation of a symbol (not including the leading colon).
void rb_define_const(VALUE klass, const char *name, VALUE val)
Defines a Ruby level constant under a namespace.
int rb_io_modestr_oflags(const char *modestr)
Identical to rb_io_modestr_fmode(), except it returns a mixture of O_ flags.
#define GetOpenFile
This is an old name of RB_IO_POINTER.
VALUE rb_io_check_io(VALUE io)
Try converting an object to its IO representation using its to_io method, if any.
int len
Length of the buffer.
void * rb_thread_call_without_gvl2(void *(*func)(void *), void *data1, rb_unblock_function_t *ubf, void *data2)
Identical to rb_thread_call_without_gvl(), except it does not interface with signals etc.
void * rb_thread_call_without_gvl(void *(*func)(void *), void *data1, rb_unblock_function_t *ubf, void *data2)
Allows the passed function to run in parallel with other Ruby threads.
#define RB_NUM2INT
Just another name of rb_num2int_inline.
#define RB_INT2NUM
Just another name of rb_int2num_inline.
#define RB_BLOCK_CALL_FUNC_ARGLIST(yielded_arg, callback_arg)
Shim for block function parameters.
VALUE rb_yield(VALUE val)
Yields the block.
void rb_marshal_define_compat(VALUE newclass, VALUE oldclass, VALUE(*dumper)(VALUE), VALUE(*loader)(VALUE, VALUE))
Marshal format compatibility layer.
#define MEMCPY(p1, p2, type, n)
Handy macro to call memcpy.
#define MEMZERO(p, type, n)
Handy macro to erase a region of memory.
#define RB_GC_GUARD(v)
Prevents premature destruction of local objects.
#define NUM2MODET
Converts a C's mode_t into an instance of rb_cInteger.
VALUE rb_thread_create(type *q, void *w)
Creates a rb_cThread instance.
VALUE rb_block_call(VALUE q, ID w, int e, const VALUE *r, type *t, VALUE y)
Call a method with a block.
void rb_define_virtual_variable(const char *q, type *w, void_type *e)
Define a function-backended global variable.
VALUE rb_ensure(type *q, VALUE w, type *e, VALUE r)
An equivalent of ensure clause.
#define PIDT2NUM
Converts a C's pid_t into an instance of rb_cInteger.
#define NUM2PIDT
Converts an instance of rb_cNumeric into C's pid_t.
#define RARRAY_LEN
Just another name of rb_array_len.
static int RARRAY_LENINT(VALUE ary)
Identical to rb_array_len(), except it differs for the return type.
static void RARRAY_ASET(VALUE ary, long i, VALUE v)
Assigns an object in an array.
#define RARRAY_AREF(a, i)
#define RUBY_DEFAULT_FREE
This is a value you can set to RData::dfree.
#define RHASH_SIZE(h)
Queries the size of the hash.
#define RHASH_EMPTY_P(h)
Checks if the hash is empty.
#define StringValue(v)
Ensures that the parameter object is a String.
#define StringValueCStr(v)
Identical to StringValuePtr, except it additionally checks for the contents for viability as a C stri...
#define RUBY_TYPED_DEFAULT_FREE
This is a value you can set to rb_data_type_struct::dfree.
#define TypedData_Get_Struct(obj, type, data_type, sval)
Obtains a C struct from inside of a wrapper Ruby object.
struct rb_data_type_struct rb_data_type_t
This is the struct that holds necessary info for a struct.
#define TypedData_Make_Struct(klass, type, data_type, sval)
Identical to TypedData_Wrap_Struct, except it allocates a new data region internally instead of takin...
const char * rb_class2name(VALUE klass)
Queries the name of the passed class.
#define FilePathValue(v)
Ensures that the parameter object is a path.
#define errno
Ractor-aware version of errno.
#define InitVM(ext)
This macro is for internal use.
VALUE rb_fiber_scheduler_current(void)
Identical to rb_fiber_scheduler_get(), except it also returns RUBY_Qnil in case of a blocking fiber.
VALUE rb_fiber_scheduler_kernel_sleepv(VALUE scheduler, int argc, VALUE *argv)
Identical to rb_fiber_scheduler_kernel_sleep(), except it can pass multiple arguments.
VALUE rb_fiber_scheduler_process_wait(VALUE scheduler, rb_pid_t pid, int flags)
Non-blocking waitpid.
static bool RB_SPECIAL_CONST_P(VALUE obj)
Checks if the given object is of enum ruby_special_consts.
#define RTEST
This is an old name of RB_TEST.
#define _(args)
This was a transition path from K&R to ANSI.
VALUE tied_io_for_writing
Duplex IO object, if set.
#define UIDT2NUM
Converts a C's uid_t into an instance of rb_cInteger.
#define NUM2UIDT
Converts an instance of rb_cNumeric into C's uid_t.
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
uintptr_t VALUE
Type that represents a Ruby object.
static enum ruby_value_type RB_BUILTIN_TYPE(VALUE obj)
Queries the type of the object.
static void Check_Type(VALUE v, enum ruby_value_type t)
Identical to RB_TYPE_P(), except it raises exceptions on predication failure.
static bool RB_TYPE_P(VALUE obj, enum ruby_value_type t)
Queries if the given object is of given type.