Ruby  1.9.3p448(2013-06-27revision41675)
Data Structures | Macros | Enumerations | Functions | Variables
process.c File Reference
#include "ruby/ruby.h"
#include "ruby/io.h"
#include "ruby/util.h"
#include "internal.h"
#include "vm_core.h"
#include <stdio.h>
#include <errno.h>
#include <signal.h>
#include <time.h>
#include <ctype.h>
#include "ruby/st.h"
#include <sys/stat.h>
#include "dln.h"
Include dependency graph for process.c:

Go to the source code of this file.

Data Structures

struct  wait_data
 

Macros

#define EXIT_SUCCESS   0
 
#define EXIT_FAILURE   1
 
#define MAXPATHLEN   1024
 
#define WIFEXITED(w)   (((w) & 0xff) == 0)
 
#define WIFSIGNALED(w)   (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
 
#define WIFSTOPPED(w)   (((w) & 0xff) == 0x7f)
 
#define WEXITSTATUS(w)   (((w) >> 8) & 0xff)
 
#define WTERMSIG(w)   ((w) & 0x7f)
 
#define WSTOPSIG   WEXITSTATUS
 
#define preserving_errno(stmts)   do {int saved_errno = errno; stmts; errno = saved_errno;} while (0)
 
#define PST2INT(st)   NUM2INT(pst_to_i(st))
 
#define NO_WAITPID
 
#define before_fork()   before_exec()
 
#define after_fork()   (GET_THREAD()->thrown_errinfo = 0, after_exec())
 
#define try_with_sh(prog, argv)   (void)0
 
#define ARGV_COUNT(n)   (n)
 
#define ARGV_SIZE(n)   (sizeof(char*) * ARGV_COUNT(n))
 
#define ALLOC_ARGV(n, v)   ALLOCV_N(char*, (v), ARGV_COUNT(n))
 
#define ALLOC_ARGV_WITH_STR(n, v, s, l)   (char **)(((s) = ALLOCV_N(char, (v), ARGV_SIZE(n) + (l)) + ARGV_SIZE(n)) - ARGV_SIZE(n))
 
#define USE_SPAWNV   0
 
#define P_NOWAIT   _P_NOWAIT
 
#define CHILD_ERRMSG_BUFLEN   80
 
#define ERRMSG(str)   do { if (errmsg && 0 < errmsg_buflen) strlcpy(errmsg, (str), errmsg_buflen); } while (0)
 
#define redirect_dup(oldfd)   dup(oldfd)
 
#define redirect_dup2(oldfd, newfd)   dup2((oldfd), (newfd))
 
#define redirect_close(fd)   close(fd)
 
#define redirect_open(pathname, flags, perm)   open((pathname), (flags), (perm))
 
#define rb_f_fork   rb_f_notimplement
 
#define proc_getpgrp   rb_f_notimplement
 
#define proc_setpgrp   rb_f_notimplement
 
#define proc_getpgid   rb_f_notimplement
 
#define proc_setpgid   rb_f_notimplement
 
#define proc_setsid   rb_f_notimplement
 
#define proc_getpriority   rb_f_notimplement
 
#define proc_setpriority   rb_f_notimplement
 
#define proc_getrlimit   rb_f_notimplement
 
#define proc_setrlimit   rb_f_notimplement
 
#define p_sys_setuid   rb_f_notimplement
 
#define p_sys_setruid   rb_f_notimplement
 
#define p_sys_seteuid   rb_f_notimplement
 
#define p_sys_setreuid   rb_f_notimplement
 
#define p_sys_setresuid   rb_f_notimplement
 
#define proc_setuid   rb_f_notimplement
 
#define p_sys_setgid   rb_f_notimplement
 
#define p_sys_setrgid   rb_f_notimplement
 
#define p_sys_setegid   rb_f_notimplement
 
#define p_sys_setregid   rb_f_notimplement
 
#define p_sys_setresgid   rb_f_notimplement
 
#define p_sys_issetugid   rb_f_notimplement
 
#define proc_setgid   rb_f_notimplement
 
#define proc_getgroups   rb_f_notimplement
 
#define proc_setgroups   rb_f_notimplement
 
#define proc_initgroups   rb_f_notimplement
 
#define proc_getmaxgroups   rb_f_notimplement
 
#define proc_setmaxgroups   rb_f_notimplement
 
#define proc_daemon   rb_f_notimplement
 
#define proc_seteuid_m   rb_f_notimplement
 
#define proc_setegid_m   rb_f_notimplement
 
#define rb_proc_times   rb_f_notimplement
 

Enumerations

enum  {
  EXEC_OPTION_PGROUP, EXEC_OPTION_RLIMIT, EXEC_OPTION_UNSETENV_OTHERS, EXEC_OPTION_ENV,
  EXEC_OPTION_CHDIR, EXEC_OPTION_UMASK, EXEC_OPTION_DUP2, EXEC_OPTION_CLOSE,
  EXEC_OPTION_OPEN, EXEC_OPTION_DUP2_CHILD, EXEC_OPTION_CLOSE_OTHERS, EXEC_OPTION_NEW_PGROUP
}
 

Functions

static VALUE get_pid (void)
 
static VALUE get_ppid (void)
 
VALUE rb_last_status_get (void)
 
void rb_last_status_set (int status, rb_pid_t pid)
 
static void rb_last_status_clear (void)
 
static VALUE pst_to_i (VALUE st)
 
static VALUE pst_pid (VALUE st)
 
static void pst_message (VALUE str, rb_pid_t pid, int status)
 
static VALUE pst_to_s (VALUE st)
 
static VALUE pst_inspect (VALUE st)
 
static VALUE pst_equal (VALUE st1, VALUE st2)
 
static VALUE pst_bitand (VALUE st1, VALUE st2)
 
static VALUE pst_rshift (VALUE st1, VALUE st2)
 
static VALUE pst_wifstopped (VALUE st)
 
static VALUE pst_wstopsig (VALUE st)
 
static VALUE pst_wifsignaled (VALUE st)
 
static VALUE pst_wtermsig (VALUE st)
 
static VALUE pst_wifexited (VALUE st)
 
static VALUE pst_wexitstatus (VALUE st)
 
static VALUE pst_success_p (VALUE st)
 
static VALUE pst_wcoredump (VALUE st)
 
static int wait_each (rb_pid_t pid, int status, struct wait_data *data)
 
static int waitall_each (rb_pid_t pid, int status, VALUE ary)
 
static VALUE rb_waitpid_blocking (void *data)
 
rb_pid_t rb_waitpid (rb_pid_t pid, int *st, int flags)
 
static VALUE proc_wait (int argc, VALUE *argv)
 
static VALUE proc_wait2 (int argc, VALUE *argv)
 
static VALUE proc_waitall (void)
 
static ID id_pid (void)
 
static VALUE detach_process_pid (VALUE thread)
 
static VALUE detach_process_watcher (void *arg)
 
VALUE rb_detach_process (rb_pid_t pid)
 
static VALUE proc_detach (VALUE obj, VALUE pid)
 
char * strtok ()
 
static void before_exec (void)
 
static void after_exec (void)
 
static void security (const char *str)
 
static int proc_exec_v (char **argv, const char *prog)
 
int rb_proc_exec_n (int argc, VALUE *argv, const char *prog)
 
int rb_proc_exec (const char *str)
 
static VALUE hide_obj (VALUE obj)
 
static VALUE check_exec_redirect_fd (VALUE v, int iskey)
 
static void check_exec_redirect (VALUE key, VALUE val, VALUE options)
 
int rb_exec_arg_addopt (struct rb_exec_arg *e, VALUE key, VALUE val)
 
static int check_exec_options_i (st_data_t st_key, st_data_t st_val, st_data_t arg)
 
static VALUE check_exec_fds (VALUE options)
 
static void rb_check_exec_options (VALUE opthash, struct rb_exec_arg *e)
 
static int check_exec_env_i (st_data_t st_key, st_data_t st_val, st_data_t arg)
 
static VALUE rb_check_exec_env (VALUE hash)
 
static VALUE rb_check_argv (int argc, VALUE *argv)
 
static VALUE rb_exec_getargs (int *argc_p, VALUE **argv_p, int accept_shell, VALUE *env_ret, VALUE *opthash_ret, struct rb_exec_arg *e)
 
static void rb_exec_fillarg (VALUE prog, int argc, VALUE *argv, VALUE env, VALUE opthash, struct rb_exec_arg *e)
 
VALUE rb_exec_arg_init (int argc, VALUE *argv, int accept_shell, struct rb_exec_arg *e)
 
void rb_exec_arg_fixup (struct rb_exec_arg *e)
 
VALUE rb_f_exec (int argc, VALUE *argv)
 
static int save_redirect_fd (int fd, VALUE save, char *errmsg, size_t errmsg_buflen)
 
static VALUE save_env_i (VALUE i, VALUE ary, int argc, VALUE *argv)
 
static void save_env (VALUE save)
 
static int intcmp (const void *a, const void *b)
 
static int intrcmp (const void *a, const void *b)
 
static int run_exec_dup2 (VALUE ary, VALUE save, char *errmsg, size_t errmsg_buflen)
 
static int run_exec_close (VALUE ary, char *errmsg, size_t errmsg_buflen)
 
static int run_exec_open (VALUE ary, VALUE save, char *errmsg, size_t errmsg_buflen)
 
static int run_exec_dup2_child (VALUE ary, VALUE save, char *errmsg, size_t errmsg_buflen)
 
int rb_run_exec_options_err (const struct rb_exec_arg *e, struct rb_exec_arg *s, char *errmsg, size_t errmsg_buflen)
 
int rb_run_exec_options (const struct rb_exec_arg *e, struct rb_exec_arg *s)
 
int rb_exec_err (const struct rb_exec_arg *e, char *errmsg, size_t errmsg_buflen)
 
int rb_exec (const struct rb_exec_arg *e)
 
static VALUE rb_f_exit_bang (int argc, VALUE *argv, VALUE obj)
 
void rb_exit (int status)
 
VALUE rb_f_exit (int argc, VALUE *argv)
 
VALUE rb_f_abort (int argc, VALUE *argv)
 
void rb_syswait (rb_pid_t pid)
 
static VALUE rb_exec_arg_prepare (struct rb_exec_arg *earg, int argc, VALUE *argv, int default_close_others)
 
static rb_pid_t rb_spawn_process (struct rb_exec_arg *earg, VALUE prog, char *errmsg, size_t errmsg_buflen)
 
static rb_pid_t rb_spawn_internal (int argc, VALUE *argv, int default_close_others, char *errmsg, size_t errmsg_buflen)
 
rb_pid_t rb_spawn_err (int argc, VALUE *argv, char *errmsg, size_t errmsg_buflen)
 
rb_pid_t rb_spawn (int argc, VALUE *argv)
 
static VALUE rb_f_system (int argc, VALUE *argv)
 
static VALUE rb_f_spawn (int argc, VALUE *argv)
 
static VALUE rb_f_sleep (int argc, VALUE *argv)
 
static void check_uid_switch (void)
 
static void check_gid_switch (void)
 
static VALUE proc_getuid (VALUE obj)
 
static VALUE p_uid_change_privilege (VALUE obj, VALUE id)
 
static VALUE proc_getgid (VALUE obj)
 
static VALUE p_gid_change_privilege (VALUE obj, VALUE id)
 
static VALUE proc_geteuid (VALUE obj)
 
static rb_uid_t rb_seteuid_core (rb_uid_t euid)
 
static VALUE p_uid_grant_privilege (VALUE obj, VALUE id)
 
static VALUE proc_getegid (VALUE obj)
 
static rb_gid_t rb_setegid_core (rb_gid_t egid)
 
static VALUE p_gid_grant_privilege (VALUE obj, VALUE id)
 
static VALUE p_uid_exchangeable (void)
 
static VALUE p_uid_exchange (VALUE obj)
 
static VALUE p_gid_exchangeable (void)
 
static VALUE p_gid_exchange (VALUE obj)
 
static VALUE p_uid_have_saved_id (void)
 
static VALUE p_uid_sw_ensure (VALUE obj)
 
static VALUE p_uid_switch (VALUE obj)
 
static VALUE p_gid_have_saved_id (void)
 
static VALUE p_gid_sw_ensure (VALUE obj)
 
static VALUE p_gid_switch (VALUE obj)
 
void Init_process (void)
 

Variables

static VALUE rb_cProcessStatus
 
static st_tablepid_tbl
 
static int forked_child = 0
 
static int under_uid_switch = 0
 
static int under_gid_switch = 0
 
static rb_uid_t SAVED_USER_ID = -1
 
static rb_gid_t SAVED_GROUP_ID = -1
 
VALUE rb_mProcess
 
VALUE rb_mProcUID
 
VALUE rb_mProcGID
 
VALUE rb_mProcID_Syscall
 

Macro Definition Documentation

#define after_fork ( )    (GET_THREAD()->thrown_errinfo = 0, after_exec())

Definition at line 1040 of file process.c.

#define ALLOC_ARGV (   n,
  v 
)    ALLOCV_N(char*, (v), ARGV_COUNT(n))

Definition at line 1069 of file process.c.

Referenced by rb_proc_exec_n().

#define ALLOC_ARGV_WITH_STR (   n,
  v,
  s,
 
)    (char **)(((s) = ALLOCV_N(char, (v), ARGV_SIZE(n) + (l)) + ARGV_SIZE(n)) - ARGV_SIZE(n))

Definition at line 1070 of file process.c.

Referenced by rb_proc_exec().

#define ARGV_COUNT (   n)    (n)

Definition at line 1066 of file process.c.

#define ARGV_SIZE (   n)    (sizeof(char*) * ARGV_COUNT(n))

Definition at line 1068 of file process.c.

#define before_fork ( )    before_exec()

Definition at line 1039 of file process.c.

#define CHILD_ERRMSG_BUFLEN   80

Referenced by rb_f_exec(), and rb_f_spawn().

#define ERRMSG (   str)    do { if (errmsg && 0 < errmsg_buflen) strlcpy(errmsg, (str), errmsg_buflen); } while (0)
#define EXIT_FAILURE   1

Definition at line 43 of file process.c.

Referenced by rb_f_abort(), rb_f_exit(), and rb_f_exit_bang().

#define EXIT_SUCCESS   0

Definition at line 40 of file process.c.

Referenced by pst_success_p(), rb_f_exit(), rb_f_exit_bang(), and rb_f_system().

#define MAXPATHLEN   1024

Definition at line 56 of file process.c.

Referenced by proc_exec_v(), and rb_proc_exec().

#define NO_WAITPID

Definition at line 592 of file process.c.

#define P_NOWAIT   _P_NOWAIT

Definition at line 1244 of file process.c.

Referenced by check_spawn_mode(), child_result(), and pipe_open().

#define p_sys_issetugid   rb_f_notimplement

Definition at line 4557 of file process.c.

Referenced by Init_process().

#define p_sys_setegid   rb_f_notimplement

Definition at line 4482 of file process.c.

Referenced by Init_process().

#define p_sys_seteuid   rb_f_notimplement

Definition at line 4127 of file process.c.

Referenced by Init_process().

#define p_sys_setgid   rb_f_notimplement

Definition at line 4438 of file process.c.

Referenced by Init_process().

#define p_sys_setregid   rb_f_notimplement

Definition at line 4506 of file process.c.

Referenced by Init_process().

#define p_sys_setresgid   rb_f_notimplement

Definition at line 4529 of file process.c.

Referenced by Init_process().

#define p_sys_setresuid   rb_f_notimplement

Definition at line 4175 of file process.c.

Referenced by Init_process().

#define p_sys_setreuid   rb_f_notimplement

Definition at line 4151 of file process.c.

Referenced by Init_process().

#define p_sys_setrgid   rb_f_notimplement

Definition at line 4460 of file process.c.

Referenced by Init_process().

#define p_sys_setruid   rb_f_notimplement

Definition at line 4105 of file process.c.

Referenced by Init_process().

#define p_sys_setuid   rb_f_notimplement

Definition at line 4083 of file process.c.

Referenced by Init_process().

#define preserving_errno (   stmts)    do {int saved_errno = errno; stmts; errno = saved_errno;} while (0)

Definition at line 129 of file process.c.

Referenced by proc_exec_v(), rb_exec(), and rb_proc_exec().

#define proc_daemon   rb_f_notimplement

Definition at line 4947 of file process.c.

Referenced by Init_process().

#define proc_getgroups   rb_f_notimplement

Definition at line 4702 of file process.c.

Referenced by Init_process().

#define proc_getmaxgroups   rb_f_notimplement

Definition at line 4833 of file process.c.

Referenced by Init_process().

#define proc_getpgid   rb_f_notimplement

Definition at line 3568 of file process.c.

Referenced by Init_process().

#define proc_getpgrp   rb_f_notimplement

Definition at line 3513 of file process.c.

Referenced by Init_process().

#define proc_getpriority   rb_f_notimplement

Definition at line 3690 of file process.c.

Referenced by Init_process().

#define proc_getrlimit   rb_f_notimplement

Definition at line 3954 of file process.c.

Referenced by Init_process().

#define proc_initgroups   rb_f_notimplement

Definition at line 4813 of file process.c.

Referenced by Init_process().

#define proc_setegid_m   rb_f_notimplement

Definition at line 5310 of file process.c.

Referenced by Init_process().

#define proc_seteuid_m   rb_f_notimplement

Definition at line 5190 of file process.c.

Referenced by Init_process().

#define proc_setgid   rb_f_notimplement

Definition at line 4615 of file process.c.

Referenced by Init_process().

#define proc_setgroups   rb_f_notimplement

Definition at line 4782 of file process.c.

Referenced by Init_process().

#define proc_setmaxgroups   rb_f_notimplement

Definition at line 4865 of file process.c.

Referenced by Init_process().

#define proc_setpgid   rb_f_notimplement

Definition at line 3594 of file process.c.

Referenced by Init_process().

#define proc_setpgrp   rb_f_notimplement

Definition at line 3542 of file process.c.

Referenced by Init_process().

#define proc_setpriority   rb_f_notimplement

Definition at line 3722 of file process.c.

Referenced by Init_process().

#define proc_setrlimit   rb_f_notimplement

Definition at line 4030 of file process.c.

Referenced by Init_process().

#define proc_setsid   rb_f_notimplement

Definition at line 3653 of file process.c.

Referenced by Init_process().

#define proc_setuid   rb_f_notimplement

Definition at line 4234 of file process.c.

Referenced by Init_process().

#define PST2INT (   st)    NUM2INT(pst_to_i(st))
#define rb_f_fork   rb_f_notimplement

Definition at line 2828 of file process.c.

Referenced by Init_process().

#define rb_proc_times   rb_f_notimplement

Definition at line 5742 of file process.c.

Referenced by Init_process().

#define redirect_close (   fd)    close(fd)

Definition at line 1983 of file process.c.

Referenced by run_exec_close(), run_exec_dup2(), and run_exec_open().

#define redirect_dup (   oldfd)    dup(oldfd)

Definition at line 1981 of file process.c.

Referenced by run_exec_dup2(), and save_redirect_fd().

#define redirect_dup2 (   oldfd,
  newfd 
)    dup2((oldfd), (newfd))

Definition at line 1982 of file process.c.

Referenced by run_exec_dup2(), run_exec_dup2_child(), and run_exec_open().

#define redirect_open (   pathname,
  flags,
  perm 
)    open((pathname), (flags), (perm))

Definition at line 1984 of file process.c.

Referenced by run_exec_open().

#define try_with_sh (   prog,
  argv 
)    (void)0

Definition at line 1065 of file process.c.

Referenced by proc_exec_v().

#define USE_SPAWNV   0

Definition at line 1241 of file process.c.

#define WEXITSTATUS (   w)    (((w) >> 8) & 0xff)

Definition at line 88 of file process.c.

Referenced by pst_message(), pst_success_p(), and pst_wexitstatus().

#define WIFEXITED (   w)    (((w) & 0xff) == 0)

Definition at line 79 of file process.c.

Referenced by pst_message(), pst_success_p(), pst_wexitstatus(), and pst_wifexited().

#define WIFSIGNALED (   w)    (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))

Definition at line 82 of file process.c.

Referenced by pst_message(), pst_wifsignaled(), and pst_wtermsig().

#define WIFSTOPPED (   w)    (((w) & 0xff) == 0x7f)

Definition at line 85 of file process.c.

Referenced by pst_message(), pst_wifstopped(), and pst_wstopsig().

#define WSTOPSIG   WEXITSTATUS

Definition at line 94 of file process.c.

Referenced by pst_message(), and pst_wstopsig().

#define WTERMSIG (   w)    ((w) & 0x7f)

Definition at line 91 of file process.c.

Referenced by pst_message(), and pst_wtermsig().

Enumeration Type Documentation

anonymous enum
Enumerator
EXEC_OPTION_PGROUP 
EXEC_OPTION_RLIMIT 
EXEC_OPTION_UNSETENV_OTHERS 
EXEC_OPTION_ENV 
EXEC_OPTION_CHDIR 
EXEC_OPTION_UMASK 
EXEC_OPTION_DUP2 
EXEC_OPTION_CLOSE 
EXEC_OPTION_OPEN 
EXEC_OPTION_DUP2_CHILD 
EXEC_OPTION_CLOSE_OTHERS 
EXEC_OPTION_NEW_PGROUP 

Definition at line 1219 of file process.c.

Function Documentation

static void after_exec ( void  )
static
static void before_exec ( void  )
static

Definition at line 998 of file process.c.

References forked_child, rb_enable_interrupt(), rb_thread_stop_timer_thread(), and signal().

Referenced by proc_exec_v(), and rb_proc_exec().

static int check_exec_env_i ( st_data_t  st_key,
st_data_t  st_val,
st_data_t  arg 
)
static
static VALUE check_exec_fds ( VALUE  options)
static
static int check_exec_options_i ( st_data_t  st_key,
st_data_t  st_val,
st_data_t  arg 
)
static

Definition at line 1633 of file process.c.

References key, and rb_exec_arg_addopt().

Referenced by rb_check_exec_options().

static void check_exec_redirect ( VALUE  key,
VALUE  val,
VALUE  options 
)
static
static VALUE check_exec_redirect_fd ( VALUE  v,
int  iskey 
)
static
static void check_gid_switch ( void  )
static
static void check_uid_switch ( void  )
static
static VALUE detach_process_pid ( VALUE  thread)
static

Definition at line 897 of file process.c.

References id_pid(), and rb_thread_local_aref().

Referenced by rb_detach_process().

static VALUE detach_process_watcher ( void *  arg)
static

Definition at line 903 of file process.c.

References arg, wait_data::pid, rb_last_status_get(), rb_waitpid(), and wait_data::status.

Referenced by rb_detach_process().

static VALUE get_pid ( void  )
static

Definition at line 144 of file process.c.

References PIDT2NUM, and rb_secure().

Referenced by Init_process().

static VALUE get_ppid ( void  )
static

Definition at line 168 of file process.c.

References PIDT2NUM, and rb_secure().

Referenced by Init_process().

static VALUE hide_obj ( VALUE  obj)
static
static ID id_pid ( void  )
inlinestatic

Definition at line 889 of file process.c.

References CONST_ID, and wait_data::pid.

Referenced by detach_process_pid(), and rb_detach_process().

void Init_process ( void  )

Definition at line 5757 of file process.c.

References CLASS_OF, get_pid(), get_ppid(), getegid(), geteuid(), inf(), INT2FIX, NULL, p_gid_change_privilege(), p_gid_exchange(), p_gid_exchangeable(), p_gid_grant_privilege(), p_gid_have_saved_id(), p_gid_switch(), p_sys_issetugid, p_sys_setegid, p_sys_seteuid, p_sys_setgid, p_sys_setregid, p_sys_setresgid, p_sys_setresuid, p_sys_setreuid, p_sys_setrgid, p_sys_setruid, p_sys_setuid, p_uid_change_privilege(), p_uid_exchange(), p_uid_exchangeable(), p_uid_grant_privilege(), p_uid_have_saved_id(), p_uid_switch(), proc_daemon, proc_detach(), proc_getegid(), proc_geteuid(), proc_getgid(), proc_getgroups, proc_getmaxgroups, proc_getpgid, proc_getpgrp, proc_getpriority, proc_getrlimit, proc_getuid(), proc_initgroups, proc_setegid_m, proc_seteuid_m, proc_setgid, proc_setgroups, proc_setmaxgroups, proc_setpgid, proc_setpgrp, proc_setpriority, proc_setrlimit, proc_setsid, proc_setuid, proc_wait(), proc_wait2(), proc_waitall(), pst_bitand(), pst_equal(), pst_inspect(), pst_pid(), pst_rshift(), pst_success_p(), pst_to_i(), pst_to_s(), pst_wcoredump(), pst_wexitstatus(), pst_wifexited(), pst_wifsignaled(), pst_wifstopped(), pst_wstopsig(), pst_wtermsig(), rb_cObject, rb_cProcessStatus, rb_define_alias(), rb_define_class_under(), rb_define_const(), rb_define_global_function(), rb_define_method(), rb_define_module(), rb_define_module_function(), rb_define_module_under(), rb_define_singleton_method(), rb_define_virtual_variable(), rb_f_abort(), rb_f_exec(), rb_f_exit(), rb_f_exit_bang(), rb_f_fork, rb_f_kill(), rb_f_sleep(), rb_f_spawn(), rb_f_system(), rb_last_status_get(), rb_proc_times, rb_singleton_class(), rb_struct_define(), rb_undef_method(), and WNOHANG.

static int intcmp ( const void *  a,
const void *  b 
)
static

Definition at line 2042 of file process.c.

Referenced by run_exec_dup2().

static int intrcmp ( const void *  a,
const void *  b 
)
static

Definition at line 2048 of file process.c.

Referenced by run_exec_dup2().

static VALUE p_gid_change_privilege ( VALUE  obj,
VALUE  id 
)
static
static VALUE p_gid_exchange ( VALUE  obj)
static
static VALUE p_gid_exchangeable ( void  )
static

Definition at line 5437 of file process.c.

References Qfalse, and Qtrue.

Referenced by Init_process().

static VALUE p_gid_grant_privilege ( VALUE  obj,
VALUE  id 
)
static

Definition at line 5363 of file process.c.

References id, NUM2GIDT, and rb_setegid_core().

Referenced by Init_process().

static VALUE p_gid_have_saved_id ( void  )
static

Definition at line 5604 of file process.c.

References Qfalse, and Qtrue.

Referenced by Init_process().

static VALUE p_gid_sw_ensure ( VALUE  obj)
static

Definition at line 5671 of file process.c.

References p_gid_exchange().

Referenced by p_gid_switch().

static VALUE p_gid_switch ( VALUE  obj)
static
static VALUE p_uid_change_privilege ( VALUE  obj,
VALUE  id 
)
static

Definition at line 4279 of file process.c.

References check_uid_switch(), EPERM, errno, geteuid(), getuid(), id, NUM2UIDT, rb_notimplement(), rb_sys_fail(), and setuid().

Referenced by Init_process().

static VALUE p_uid_exchange ( VALUE  obj)
static
static VALUE p_uid_exchangeable ( void  )
static

Definition at line 5380 of file process.c.

References Qfalse, and Qtrue.

Referenced by Init_process().

static VALUE p_uid_grant_privilege ( VALUE  obj,
VALUE  id 
)
static

Definition at line 5243 of file process.c.

References id, NUM2UIDT, and rb_seteuid_core().

Referenced by Init_process().

static VALUE p_uid_have_saved_id ( void  )
static

Definition at line 5495 of file process.c.

References Qfalse, and Qtrue.

Referenced by Init_process().

static VALUE p_uid_sw_ensure ( VALUE  obj)
static

Definition at line 5561 of file process.c.

References p_uid_exchange().

Referenced by p_uid_switch().

static VALUE p_uid_switch ( VALUE  obj)
static
static VALUE proc_detach ( VALUE  obj,
VALUE  pid 
)
static

Definition at line 972 of file process.c.

References NUM2PIDT, rb_detach_process(), and rb_secure().

Referenced by Init_process().

static int proc_exec_v ( char **  argv,
const char *  prog 
)
static
static VALUE proc_getegid ( VALUE  obj)
static

Definition at line 5263 of file process.c.

References getegid(), and GIDT2NUM.

Referenced by Init_process().

static VALUE proc_geteuid ( VALUE  obj)
static

Definition at line 5144 of file process.c.

References geteuid(), and UIDT2NUM.

Referenced by Init_process().

static VALUE proc_getgid ( VALUE  obj)
static

Definition at line 4573 of file process.c.

References getgid(), and GIDT2NUM.

Referenced by Init_process().

static VALUE proc_getuid ( VALUE  obj)
static

Definition at line 4191 of file process.c.

References getuid(), and UIDT2NUM.

Referenced by Init_process().

static VALUE proc_wait ( int  argc,
VALUE argv 
)
static
static VALUE proc_wait2 ( int  argc,
VALUE argv 
)
static

Definition at line 818 of file process.c.

References NIL_P, wait_data::pid, proc_wait(), Qnil, rb_assoc_new(), and rb_last_status_get().

Referenced by Init_process().

static VALUE proc_waitall ( void  )
static
static VALUE pst_bitand ( VALUE  st1,
VALUE  st2 
)
static

Definition at line 389 of file process.c.

References INT2NUM(), NUM2INT, and PST2INT.

Referenced by Init_process().

static VALUE pst_equal ( VALUE  st1,
VALUE  st2 
)
static

Definition at line 369 of file process.c.

References pst_to_i(), Qtrue, and rb_equal().

Referenced by Init_process().

static VALUE pst_inspect ( VALUE  st)
static

Definition at line 340 of file process.c.

References CLASS_OF, NIL_P, NUM2PIDT, PST2INT, pst_message(), pst_pid(), rb_class2name(), rb_sprintf(), and rb_str_cat2().

Referenced by Init_process().

static void pst_message ( VALUE  str,
rb_pid_t  pid,
int  status 
)
static
static VALUE pst_pid ( VALUE  st)
static

Definition at line 261 of file process.c.

References rb_attr_get(), and rb_intern.

Referenced by Init_process(), pst_inspect(), and pst_to_s().

static VALUE pst_rshift ( VALUE  st1,
VALUE  st2 
)
static

Definition at line 410 of file process.c.

References INT2NUM(), NUM2INT, and PST2INT.

Referenced by Init_process().

static VALUE pst_success_p ( VALUE  st)
static

Definition at line 558 of file process.c.

References EXIT_SUCCESS, PST2INT, Qfalse, Qnil, Qtrue, WEXITSTATUS, and WIFEXITED.

Referenced by Init_process().

static VALUE pst_to_i ( VALUE  st)
static

Definition at line 242 of file process.c.

References rb_iv_get().

Referenced by Init_process(), and pst_equal().

static VALUE pst_to_s ( VALUE  st)
static

Definition at line 313 of file process.c.

References NUM2PIDT, PST2INT, pst_message(), pst_pid(), and rb_str_buf_new().

Referenced by Init_process().

static VALUE pst_wcoredump ( VALUE  st)
static

Definition at line 577 of file process.c.

References PST2INT, Qfalse, and Qtrue.

Referenced by Init_process().

static VALUE pst_wexitstatus ( VALUE  st)
static

Definition at line 539 of file process.c.

References INT2NUM(), PST2INT, Qnil, WEXITSTATUS, and WIFEXITED.

Referenced by Init_process().

static VALUE pst_wifexited ( VALUE  st)
static

Definition at line 508 of file process.c.

References PST2INT, Qfalse, Qtrue, and WIFEXITED.

Referenced by Init_process().

static VALUE pst_wifsignaled ( VALUE  st)
static

Definition at line 467 of file process.c.

References PST2INT, Qfalse, Qtrue, and WIFSIGNALED.

Referenced by Init_process().

static VALUE pst_wifstopped ( VALUE  st)
static

Definition at line 428 of file process.c.

References PST2INT, Qfalse, Qtrue, and WIFSTOPPED.

Referenced by Init_process().

static VALUE pst_wstopsig ( VALUE  st)
static

Definition at line 448 of file process.c.

References INT2NUM(), PST2INT, Qnil, WIFSTOPPED, and WSTOPSIG.

Referenced by Init_process().

static VALUE pst_wtermsig ( VALUE  st)
static

Definition at line 488 of file process.c.

References INT2NUM(), PST2INT, Qnil, WIFSIGNALED, and WTERMSIG.

Referenced by Init_process().

static VALUE rb_check_argv ( int  argc,
VALUE argv 
)
static
static VALUE rb_check_exec_env ( VALUE  hash)
static

Definition at line 1741 of file process.c.

References check_exec_env_i(), env, hide_obj(), rb_ary_new(), RHASH_TBL, and st_foreach.

Referenced by rb_exec_fillarg().

static void rb_check_exec_options ( VALUE  opthash,
struct rb_exec_arg e 
)
static

Definition at line 1713 of file process.c.

References check_exec_options_i(), RHASH_EMPTY_P, RHASH_TBL, and st_foreach.

Referenced by rb_exec_fillarg().

VALUE rb_detach_process ( rb_pid_t  pid)
int rb_exec ( const struct rb_exec_arg e)
int rb_exec_arg_addopt ( struct rb_exec_arg e,
VALUE  key,
VALUE  val 
)
void rb_exec_arg_fixup ( struct rb_exec_arg e)
VALUE rb_exec_arg_init ( int  argc,
VALUE argv,
int  accept_shell,
struct rb_exec_arg e 
)
static VALUE rb_exec_arg_prepare ( struct rb_exec_arg earg,
int  argc,
VALUE argv,
int  default_close_others 
)
static
int rb_exec_err ( const struct rb_exec_arg e,
char *  errmsg,
size_t  errmsg_buflen 
)
static void rb_exec_fillarg ( VALUE  prog,
int  argc,
VALUE argv,
VALUE  env,
VALUE  opthash,
struct rb_exec_arg e 
)
static
static VALUE rb_exec_getargs ( int *  argc_p,
VALUE **  argv_p,
int  accept_shell,
VALUE env_ret,
VALUE opthash_ret,
struct rb_exec_arg e 
)
static

Definition at line 1785 of file process.c.

References hash(), NIL_P, rb_exec_arg::prog, rb_check_argv(), rb_check_convert_type(), and T_HASH.

Referenced by rb_exec_arg_init().

void rb_exit ( int  status)
VALUE rb_f_abort ( int  argc,
VALUE argv 
)
VALUE rb_f_exec ( int  argc,
VALUE argv 
)
VALUE rb_f_exit ( int  argc,
VALUE argv 
)

Definition at line 2927 of file process.c.

References EXIT_FAILURE, EXIT_SUCCESS, NUM2INT, Qfalse, Qnil, Qtrue, rb_exit(), rb_scan_args(), and rb_secure().

Referenced by Init_process().

static VALUE rb_f_exit_bang ( int  argc,
VALUE argv,
VALUE  obj 
)
static

Definition at line 2843 of file process.c.

References EXIT_FAILURE, EXIT_SUCCESS, NUM2INT, Qfalse, Qnil, Qtrue, rb_scan_args(), and rb_secure().

Referenced by Init_process().

static VALUE rb_f_sleep ( int  argc,
VALUE argv 
)
static
static VALUE rb_f_spawn ( int  argc,
VALUE argv 
)
static
static VALUE rb_f_system ( int  argc,
VALUE argv 
)
static
static void rb_last_status_clear ( void  )
static

Definition at line 223 of file process.c.

References GET_THREAD, and Qnil.

Referenced by proc_wait(), and proc_waitall().

VALUE rb_last_status_get ( void  )
void rb_last_status_set ( int  status,
rb_pid_t  pid 
)
int rb_proc_exec ( const char *  str)
int rb_proc_exec_n ( int  argc,
VALUE argv,
const char *  prog 
)

Definition at line 1130 of file process.c.

References ALLOC_ARGV, ALLOCV_END, argc, args, i, proc_exec_v(), RSTRING_PTR, and v.

Referenced by rb_exec_err().

int rb_run_exec_options ( const struct rb_exec_arg e,
struct rb_exec_arg s 
)

Definition at line 2463 of file process.c.

References NULL, and rb_run_exec_options_err().

Referenced by pipe_open().

int rb_run_exec_options_err ( const struct rb_exec_arg e,
struct rb_exec_arg s,
char *  errmsg,
size_t  errmsg_buflen 
)
static rb_gid_t rb_setegid_core ( rb_gid_t  egid)
static

Definition at line 5314 of file process.c.

References check_gid_switch(), geteuid(), getgid(), rb_notimplement(), rb_sys_fail(), and setgid().

Referenced by p_gid_grant_privilege().

static rb_uid_t rb_seteuid_core ( rb_uid_t  euid)
static

Definition at line 5194 of file process.c.

References check_uid_switch(), geteuid(), getuid(), rb_notimplement(), rb_sys_fail(), and setuid().

Referenced by p_uid_grant_privilege().

rb_pid_t rb_spawn ( int  argc,
VALUE argv 
)

Definition at line 3106 of file process.c.

References NULL, rb_spawn_internal(), and TRUE.

rb_pid_t rb_spawn_err ( int  argc,
VALUE argv,
char *  errmsg,
size_t  errmsg_buflen 
)

Definition at line 3100 of file process.c.

References rb_spawn_internal(), and TRUE.

static rb_pid_t rb_spawn_internal ( int  argc,
VALUE argv,
int  default_close_others,
char *  errmsg,
size_t  errmsg_buflen 
)
static

Definition at line 3091 of file process.c.

References rb_exec_arg_prepare(), and rb_spawn_process().

Referenced by rb_f_system(), rb_spawn(), and rb_spawn_err().

static rb_pid_t rb_spawn_process ( struct rb_exec_arg earg,
VALUE  prog,
char *  errmsg,
size_t  errmsg_buflen 
)
static
void rb_syswait ( rb_pid_t  pid)

Definition at line 2992 of file process.c.

References errno, FALSE, i, rb_waitpid(), SIGINT, signal(), and TRUE.

Referenced by rb_f_system(), and rb_io_close().

rb_pid_t rb_waitpid ( rb_pid_t  pid,
int *  st,
int  flags 
)
static VALUE rb_waitpid_blocking ( void *  data)
static

Definition at line 626 of file process.c.

References arg, NULL, result, wait(), and waitpid().

Referenced by rb_waitpid().

static int run_exec_close ( VALUE  ary,
char *  errmsg,
size_t  errmsg_buflen 
)
static

Definition at line 2196 of file process.c.

References ERRMSG, FIX2INT, i, RARRAY_LEN, RARRAY_PTR, and redirect_close.

Referenced by rb_run_exec_options_err().

static int run_exec_dup2 ( VALUE  ary,
VALUE  save,
char *  errmsg,
size_t  errmsg_buflen 
)
static
static int run_exec_dup2_child ( VALUE  ary,
VALUE  save,
char *  errmsg,
size_t  errmsg_buflen 
)
static
static int run_exec_open ( VALUE  ary,
VALUE  save,
char *  errmsg,
size_t  errmsg_buflen 
)
static
static void save_env ( VALUE  save)
static
static VALUE save_env_i ( VALUE  i,
VALUE  ary,
int  argc,
VALUE argv 
)
static

Definition at line 2020 of file process.c.

References hide_obj(), Qnil, rb_ary_dup(), and rb_ary_push().

Referenced by save_env().

static int save_redirect_fd ( int  fd,
VALUE  save,
char *  errmsg,
size_t  errmsg_buflen 
)
static
static void security ( const char *  str)
static

Definition at line 1045 of file process.c.

References rb_env_path_tainted(), rb_eSecurityError, rb_raise(), and rb_safe_level.

Referenced by rb_check_argv().

char* strtok ( )

Referenced by rb_proc_exec().

static int wait_each ( rb_pid_t  pid,
int  status,
struct wait_data data 
)
static

Definition at line 601 of file process.c.

References wait_data::pid, ST_DELETE, ST_STOP, and wait_data::status.

Referenced by rb_waitpid().

static int waitall_each ( rb_pid_t  pid,
int  status,
VALUE  ary 
)
static

Definition at line 611 of file process.c.

References PIDT2NUM, rb_ary_push(), rb_assoc_new(), rb_last_status_get(), rb_last_status_set(), and ST_DELETE.

Referenced by proc_waitall().

Variable Documentation

int forked_child = 0
static

Definition at line 982 of file process.c.

Referenced by after_exec(), and before_exec().

st_table* pid_tbl
static

Definition at line 593 of file process.c.

VALUE rb_cProcessStatus
static

Definition at line 205 of file process.c.

Referenced by Init_process(), and rb_last_status_set().

VALUE rb_mProcess

Definition at line 5745 of file process.c.

VALUE rb_mProcGID

Definition at line 5747 of file process.c.

VALUE rb_mProcID_Syscall

Definition at line 5748 of file process.c.

VALUE rb_mProcUID

Definition at line 5746 of file process.c.

rb_gid_t SAVED_GROUP_ID = -1
static

Definition at line 4960 of file process.c.

rb_uid_t SAVED_USER_ID = -1
static

Definition at line 4248 of file process.c.

int under_gid_switch = 0
static

Definition at line 4043 of file process.c.

int under_uid_switch = 0
static

Definition at line 4033 of file process.c.