glibc/posix/spawn.h
Ulrich Drepper a5a6f9262e 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 16:51:16 +00:00

157 lines
5.6 KiB
C

/* Definitions for POSIX spawn interface.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SPAWN_H
#define _SPAWN_H 1
#include <features.h>
#include <sched.h>
#include <signal.h>
#include <sys/types.h>
/* Data structure to contain attributes for thread creation. */
typedef struct
{
short int __flags;
pid_t __pgrp;
sigset_t __sd;
sigset_t __ss;
struct sched_param __sp;
int __policy;
int __pad[16];
} posix_spawnattr_t;
/* Data structure to contain information about the actions to be
performed in the new process with respect to file descriptors. */
typedef struct
{
int __allocated;
int __used;
struct __spawn_action *__actions;
int __pad[16];
} posix_spawn_file_actions_t;
/* Flags to be set in the `posix_spawnattr_t'. */
#define POSIX_SPAWN_RESETIDS 0x01
#define POSIX_SPAWN_SETPGROUP 0x02
#define POSIX_SPAWN_SETSIGDEF 0x04
#define POSIX_SPAWN_SETSIGMASK 0x08
#define POSIX_SPAWN_SETSCHEDPARAM 0x10
#define POSIX_SPAWN_SETSCHEDULER 0x20
__BEGIN_DECLS
/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
Before running the process perform the actions described in FILE-ACTIONS. */
extern int posix_spawn (pid_t *__pid, __const char *__path,
__const posix_spawn_file_actions_t *__file_actions,
__const posix_spawnattr_t *__attrp,
char *__const argv[], char *__const envp[]) __THROW;
/* Similar to `posix_spawn' but search for FILE in the PATH. */
extern int posix_spawnp (pid_t *__pid, __const char *__file,
__const posix_spawn_file_actions_t *__file_actions,
__const posix_spawnattr_t *__attrp,
char *__const argv[], char *__const envp[]) __THROW;
/* Initialize data structure with attributes for `spawn' to default values. */
extern int posix_spawnattr_init (posix_spawnattr_t *__attr) __THROW;
/* Free resources associated with ATTR. */
extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr) __THROW;
/* Store signal mask for signals with default handling from ATTR in
SIGDEFAULT. */
extern int posix_spawnattr_getdefault (__const posix_spawnattr_t *__attr,
sigset_t *__sigdefault) __THROW;
/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
extern int posix_spawnattr_setdefault (posix_spawnattr_t *__attr,
__const sigset_t *__sigdefault) __THROW;
/* Store signal mask for the new process from ATTR in SIGMASK. */
extern int posix_spawnattr_getsigmask (__const posix_spawnattr_t *__attr,
sigset_t *__sigmask) __THROW;
/* Set signal mask for the new process in ATTR to SIGMASK. */
extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__attr,
__const sigset_t *__sigmask) __THROW;
/* Get flag word from the attribute structure. */
extern int posix_spawnattr_getflags (__const posix_spawnattr_t *__attr,
short int *__flags) __THROW;
/* Store flags in the attribute structure. */
extern int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
short int __flags) __THROW;
/* Get process group ID from the attribute structure. */
extern int posix_spawnattr_getpgroup (__const posix_spawnattr_t *__attr,
pid_t *__pgroup) __THROW;
/* Store process group ID in the attribute structure. */
extern int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
pid_t __pgroup) __THROW;
/* Get scheduling policy from the attribute structure. */
extern int posix_spawnattr_getschedpolicy (__const posix_spawnattr_t *__attr,
int *__schedpolicy) __THROW;
/* Store scheduling policy in the attribute structure. */
extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
int __schedpolicy) __THROW;
/* Initialize data structure for file attribute for `spawn' call. */
extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
__file_actions) __THROW;
/* Free resources associated with FILE-ACTIONS. */
extern int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
__file_actions) __THROW;
/* Add an action to FILE-ACTIONS which tells the implementation to call
`open' for the given file during the `spawn' call. */
extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
__file_actions,
int __fd, __const char *__path,
int __oflag, mode_t __mode)
__THROW;
/* Add an action to FILE-ACTIONS which tells the implementation to call
`close' for the given file descriptor during the `spawn' call. */
extern int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *
__file_actions, int __fd)
__THROW;
/* Add an action to FILE-ACTIONS which tells the implementation to call
`dup2' for the given file descriptors during the `spawn' call. */
extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
__file_actions,
int __fd, int __newfd) __THROW;
__END_DECLS
#endif /* spawn.h */