2001-06-18 00:18:08 +02:00
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/* Guts of POSIX spawn interface. Generic POSIX.1 version.
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 06:58:11 +02:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 06:58:11 +02:00
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Lesser General Public License for more details.
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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2001-07-06 06:58:11 +02:00
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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#include <errno.h>
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#include <fcntl.h>
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#include <paths.h>
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#include <spawn.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "spawn_int.h"
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/* The Unix standard contains a long explanation of the way to signal
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an error after the fork() was successful. Since no new wait status
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was wanted there is no way to signal an error using one of the
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available methods. The committee chose to signal an error by a
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normal program exit with the exit code 127. */
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#define SPAWN_ERROR 127
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/* The file is accessible but it is not an executable file. Invoke
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the shell to interpret it as a script. */
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static void
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internal_function
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script_execute (const char *file, char *const argv[], char *const envp[])
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{
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/* Count the arguments. */
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int argc = 0;
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while (argv[argc++])
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;
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/* Construct an argument list for the shell. */
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{
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char *new_argv[argc + 1];
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new_argv[0] = (char *) _PATH_BSHELL;
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new_argv[1] = (char *) file;
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while (argc > 1)
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{
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new_argv[argc] = argv[argc - 1];
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--argc;
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}
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/* Execute the shell. */
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__execve (new_argv[0], new_argv, envp);
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}
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}
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/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
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Before running the process perform the actions described in FILE-ACTIONS. */
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int
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__spawni (pid_t *pid, const char *file,
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const posix_spawn_file_actions_t *file_actions,
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const posix_spawnattr_t *attrp, char *const argv[],
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char *const envp[], int use_path)
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{
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pid_t new_pid;
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char *path, *p, *name;
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size_t len;
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size_t pathlen;
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short int flags;
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/* Generate the new process. */
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2000-08-21 06:18:25 +02:00
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new_pid = __fork ();
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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if (new_pid != 0)
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{
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if (new_pid < 0)
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return errno;
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/* The call was successful. Store the PID if necessary. */
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if (pid != NULL)
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*pid = new_pid;
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return 0;
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}
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/* Do this once. */
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flags = attrp == NULL ? 0 : attrp->__flags;
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/* Set signal mask. */
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if ((flags & POSIX_SPAWN_SETSIGMASK) != 0
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&& __sigprocmask (SIG_SETMASK, &attrp->__ss, NULL) != 0)
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_exit (SPAWN_ERROR);
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/* Set signal default action. */
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if ((flags & POSIX_SPAWN_SETSIGDEF) != 0)
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{
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/* We have to iterate over all signals. This could possibly be
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done better but it requires system specific solutions since
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the sigset_t data type can be very different on different
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architectures. */
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int sig;
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struct sigaction sa;
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memset (&sa, '\0', sizeof (sa));
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sa.sa_handler = SIG_DFL;
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2001-07-16 23:31:43 +02:00
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for (sig = 1; sig <= _NSIG; ++sig)
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Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
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if (sigismember (&attrp->__sd, sig) != 0
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&& __sigaction (sig, &sa, NULL) != 0)
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_exit (SPAWN_ERROR);
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}
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#ifdef _POSIX_PRIORITY_SCHEDULING
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/* Set the scheduling algorithm and parameters. */
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if ((flags & (POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER))
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== POSIX_SPAWN_SETSCHEDPARAM)
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{
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if (__sched_setparam (0, &attrp->__sp) == -1)
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_exit (SPAWN_ERROR);
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}
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else if ((flags & POSIX_SPAWN_SETSCHEDULER) != 0)
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{
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if (__sched_setscheduler (0, attrp->__policy,
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(flags & POSIX_SPAWN_SETSCHEDPARAM) != 0
|
|
|
|
? &attrp->__sp : NULL) == -1)
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Set the process group ID. */
|
|
|
|
if ((flags & POSIX_SPAWN_SETPGROUP) != 0
|
|
|
|
&& __setpgid (0, attrp->__pgrp) != 0)
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
|
|
|
|
/* Set the effective user and group IDs. */
|
|
|
|
if ((flags & POSIX_SPAWN_RESETIDS) != 0
|
|
|
|
&& (seteuid (__getuid ()) != 0 || setegid (__getgid ()) != 0))
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
|
|
|
|
/* Execute the file actions. */
|
|
|
|
if (file_actions != NULL)
|
|
|
|
{
|
|
|
|
int cnt;
|
|
|
|
|
|
|
|
for (cnt = 0; cnt < file_actions->__used; ++cnt)
|
|
|
|
{
|
|
|
|
struct __spawn_action *action = &file_actions->__actions[cnt];
|
|
|
|
|
|
|
|
switch (action->tag)
|
|
|
|
{
|
|
|
|
case spawn_do_close:
|
2000-08-21 06:18:25 +02:00
|
|
|
if (__close (action->action.close_action.fd) != 0)
|
Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
|
|
|
/* Signal the error. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case spawn_do_open:
|
|
|
|
{
|
2001-02-13 23:17:17 +01:00
|
|
|
int new_fd = __open64 (action->action.open_action.path,
|
|
|
|
action->action.open_action.oflag,
|
|
|
|
action->action.open_action.mode);
|
Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
|
|
|
|
|
|
|
if (new_fd == -1)
|
|
|
|
/* The `open' call failed. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
|
|
|
|
/* Make sure the desired file descriptor is used. */
|
|
|
|
if (new_fd != action->action.open_action.fd)
|
|
|
|
{
|
2000-05-29 09:31:53 +02:00
|
|
|
if (__dup2 (new_fd, action->action.open_action.fd)
|
|
|
|
!= action->action.open_action.fd)
|
Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
|
|
|
/* The `dup2' call failed. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
|
2000-08-21 06:18:25 +02:00
|
|
|
if (__close (new_fd) != 0)
|
Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
|
|
|
/* The `close' call failed. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case spawn_do_dup2:
|
|
|
|
if (__dup2 (action->action.dup2_action.fd,
|
2000-05-29 09:31:53 +02:00
|
|
|
action->action.dup2_action.newfd)
|
|
|
|
!= action->action.dup2_action.newfd)
|
Update.
2000-04-15 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (headers): Add spawn.h.
(distribute): Add spawn_int.h.
(routines): Add spawn_faction_init, spawn_faction_destroy,
spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
posix_spawnattr_init, posix_spawnattr_destroy,
posix_spawnattr_getdefault, posix_spawnattr_setdefault,
posix_spawnattr_getflags, posix_spawnattr_setflags,
posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
and posix_spawnp.
* posix/spawn.c: New file.
* posix/spawn.h: New file.
* posix/spawn_faction_addclose.c: New file.
* posix/spawn_faction_adddup2.c: New file.
* posix/spawn_faction_addopen.c: New file.
* posix/spawn_faction_destroy.c: New file.
* posix/spawn_faction_init.c: New file.
* posix/spawn_int.h: New file.
* posix/spawnattr_destroy.c: New file.
* posix/spawnattr_getdefault.c: New file.
* posix/spawnattr_getflags.c: New file.
* posix/spawnattr_getpgroup.c: New file.
* posix/spawnattr_getschedparam.c: New file.
* posix/spawnattr_getschedpolicy.c: New file.
* posix/spawnattr_getsigmask.c: New file.
* posix/spawnattr_init.c: New file.
* posix/spawnattr_setdefault.c: New file.
* posix/spawnattr_setflags.c: New file.
* posix/spawnattr_setpgroup.c: New file.
* posix/spawnattr_setschedparam.c: New file.
* posix/spawnattr_setschedpolicy.c: New file.
* posix/spawnattr_setsigmask.c: New file.
* posix/spawni.c: New file.
* posix/spawnp.c: New file.
* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
2000-04-15 18:51:16 +02:00
|
|
|
/* The `dup2' call failed. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (! use_path || strchr (file, '/') != NULL)
|
|
|
|
{
|
|
|
|
/* The FILE parameter is actually a path. */
|
|
|
|
__execve (file, argv, envp);
|
|
|
|
|
|
|
|
if (errno == ENOEXEC)
|
|
|
|
script_execute (file, argv, envp);
|
|
|
|
|
|
|
|
/* Oh, oh. `execve' returns. This is bad. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We have to search for FILE on the path. */
|
|
|
|
path = getenv ("PATH");
|
|
|
|
if (path == NULL)
|
|
|
|
{
|
|
|
|
/* There is no `PATH' in the environment.
|
|
|
|
The default search path is the current directory
|
|
|
|
followed by the path `confstr' returns for `_CS_PATH'. */
|
|
|
|
len = confstr (_CS_PATH, (char *) NULL, 0);
|
|
|
|
path = (char *) __alloca (1 + len);
|
|
|
|
path[0] = ':';
|
|
|
|
(void) confstr (_CS_PATH, path + 1, len);
|
|
|
|
}
|
|
|
|
|
|
|
|
len = strlen (file) + 1;
|
|
|
|
pathlen = strlen (path);
|
|
|
|
name = __alloca (pathlen + len + 1);
|
|
|
|
/* Copy the file name at the top. */
|
|
|
|
name = (char *) memcpy (name + pathlen + 1, file, len);
|
|
|
|
/* And add the slash. */
|
|
|
|
*--name = '/';
|
|
|
|
|
|
|
|
p = path;
|
|
|
|
do
|
|
|
|
{
|
|
|
|
char *startp;
|
|
|
|
|
|
|
|
path = p;
|
|
|
|
p = __strchrnul (path, ':');
|
|
|
|
|
|
|
|
if (p == path)
|
|
|
|
/* Two adjacent colons, or a colon at the beginning or the end
|
|
|
|
of `PATH' means to search the current directory. */
|
|
|
|
startp = name + 1;
|
|
|
|
else
|
|
|
|
startp = (char *) memcpy (name - (p - path), path, p - path);
|
|
|
|
|
|
|
|
/* Try to execute this name. If it works, execv will not return. */
|
|
|
|
__execve (startp, argv, envp);
|
|
|
|
|
|
|
|
if (errno == ENOEXEC)
|
|
|
|
script_execute (startp, argv, envp);
|
|
|
|
|
|
|
|
switch (errno)
|
|
|
|
{
|
|
|
|
case EACCES:
|
|
|
|
case ENOENT:
|
|
|
|
case ESTALE:
|
|
|
|
case ENOTDIR:
|
|
|
|
/* Those errors indicate the file is missing or not executable
|
|
|
|
by us, in which case we want to just try the next path
|
|
|
|
directory. */
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
/* Some other error means we found an executable file, but
|
|
|
|
something went wrong executing it; return the error to our
|
|
|
|
caller. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
while (*p++ != '\0');
|
|
|
|
|
|
|
|
/* Return with an error. */
|
|
|
|
_exit (SPAWN_ERROR);
|
|
|
|
}
|