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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.
157 lines
5.6 KiB
C
157 lines
5.6 KiB
C
/* Definitions for POSIX spawn interface.
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Copyright (C) 2000 Free Software Foundation, Inc.
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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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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SPAWN_H
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#define _SPAWN_H 1
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#include <features.h>
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#include <sched.h>
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#include <signal.h>
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#include <sys/types.h>
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/* Data structure to contain attributes for thread creation. */
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typedef struct
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{
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short int __flags;
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pid_t __pgrp;
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sigset_t __sd;
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sigset_t __ss;
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struct sched_param __sp;
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int __policy;
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int __pad[16];
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} posix_spawnattr_t;
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/* Data structure to contain information about the actions to be
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performed in the new process with respect to file descriptors. */
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typedef struct
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{
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int __allocated;
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int __used;
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struct __spawn_action *__actions;
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int __pad[16];
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} posix_spawn_file_actions_t;
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/* Flags to be set in the `posix_spawnattr_t'. */
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#define POSIX_SPAWN_RESETIDS 0x01
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#define POSIX_SPAWN_SETPGROUP 0x02
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#define POSIX_SPAWN_SETSIGDEF 0x04
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#define POSIX_SPAWN_SETSIGMASK 0x08
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#define POSIX_SPAWN_SETSCHEDPARAM 0x10
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#define POSIX_SPAWN_SETSCHEDULER 0x20
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__BEGIN_DECLS
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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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extern int posix_spawn (pid_t *__pid, __const char *__path,
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__const posix_spawn_file_actions_t *__file_actions,
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__const posix_spawnattr_t *__attrp,
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char *__const argv[], char *__const envp[]) __THROW;
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/* Similar to `posix_spawn' but search for FILE in the PATH. */
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extern int posix_spawnp (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,
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char *__const argv[], char *__const envp[]) __THROW;
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/* Initialize data structure with attributes for `spawn' to default values. */
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extern int posix_spawnattr_init (posix_spawnattr_t *__attr) __THROW;
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/* Free resources associated with ATTR. */
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extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr) __THROW;
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/* Store signal mask for signals with default handling from ATTR in
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SIGDEFAULT. */
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extern int posix_spawnattr_getdefault (__const posix_spawnattr_t *__attr,
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sigset_t *__sigdefault) __THROW;
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/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
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extern int posix_spawnattr_setdefault (posix_spawnattr_t *__attr,
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__const sigset_t *__sigdefault) __THROW;
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/* Store signal mask for the new process from ATTR in SIGMASK. */
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extern int posix_spawnattr_getsigmask (__const posix_spawnattr_t *__attr,
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sigset_t *__sigmask) __THROW;
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/* Set signal mask for the new process in ATTR to SIGMASK. */
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extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__attr,
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__const sigset_t *__sigmask) __THROW;
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/* Get flag word from the attribute structure. */
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extern int posix_spawnattr_getflags (__const posix_spawnattr_t *__attr,
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short int *__flags) __THROW;
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/* Store flags in the attribute structure. */
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extern int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
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short int __flags) __THROW;
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/* Get process group ID from the attribute structure. */
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extern int posix_spawnattr_getpgroup (__const posix_spawnattr_t *__attr,
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pid_t *__pgroup) __THROW;
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/* Store process group ID in the attribute structure. */
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extern int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
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pid_t __pgroup) __THROW;
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/* Get scheduling policy from the attribute structure. */
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extern int posix_spawnattr_getschedpolicy (__const posix_spawnattr_t *__attr,
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int *__schedpolicy) __THROW;
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/* Store scheduling policy in the attribute structure. */
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extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
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int __schedpolicy) __THROW;
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/* Initialize data structure for file attribute for `spawn' call. */
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extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
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__file_actions) __THROW;
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/* Free resources associated with FILE-ACTIONS. */
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extern int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
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__file_actions) __THROW;
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`open' for the given file during the `spawn' call. */
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extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
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__file_actions,
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int __fd, __const char *__path,
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int __oflag, mode_t __mode)
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__THROW;
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`close' for the given file descriptor during the `spawn' call. */
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extern int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *
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__file_actions, int __fd)
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__THROW;
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`dup2' for the given file descriptors during the `spawn' call. */
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extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
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__file_actions,
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int __fd, int __newfd) __THROW;
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__END_DECLS
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#endif /* spawn.h */
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