mirror of
https://github.com/Wind4/vlmcsd.git
synced 2024-11-05 14:46:14 +01:00
191 lines
6.5 KiB
C
191 lines
6.5 KiB
C
/* Definitions for POSIX spawn interface.
|
|
Copyright (C) 2000-2016 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _SPAWN_H
|
|
#define _SPAWN_H 1
|
|
|
|
#include <features.h>
|
|
#include <sched.h>
|
|
#define __need_sigset_t
|
|
#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
|
|
#ifdef __USE_GNU
|
|
# define POSIX_SPAWN_USEVFORK 0x40
|
|
#endif
|
|
|
|
|
|
__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.
|
|
|
|
This function is a possible cancellation point and therefore not
|
|
marked with __THROW. */
|
|
extern int posix_spawn (pid_t *__restrict __pid,
|
|
const char *__restrict __path,
|
|
const posix_spawn_file_actions_t *__restrict
|
|
__file_actions,
|
|
const posix_spawnattr_t *__restrict __attrp,
|
|
char *const __argv[__restrict_arr],
|
|
char *const __envp[__restrict_arr]);
|
|
|
|
/* Similar to `posix_spawn' but search for FILE in the PATH.
|
|
|
|
This function is a possible cancellation point and therefore not
|
|
marked with __THROW. */
|
|
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[]);
|
|
|
|
|
|
/* 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_getsigdefault (const posix_spawnattr_t *
|
|
__restrict __attr,
|
|
sigset_t *__restrict __sigdefault)
|
|
__THROW;
|
|
|
|
/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
|
|
extern int posix_spawnattr_setsigdefault (posix_spawnattr_t *__restrict __attr,
|
|
const sigset_t *__restrict
|
|
__sigdefault)
|
|
__THROW;
|
|
|
|
/* Store signal mask for the new process from ATTR in SIGMASK. */
|
|
extern int posix_spawnattr_getsigmask (const posix_spawnattr_t *__restrict
|
|
__attr,
|
|
sigset_t *__restrict __sigmask) __THROW;
|
|
|
|
/* Set signal mask for the new process in ATTR to SIGMASK. */
|
|
extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__restrict __attr,
|
|
const sigset_t *__restrict __sigmask)
|
|
__THROW;
|
|
|
|
/* Get flag word from the attribute structure. */
|
|
extern int posix_spawnattr_getflags (const posix_spawnattr_t *__restrict
|
|
__attr,
|
|
short int *__restrict __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 *__restrict
|
|
__attr, pid_t *__restrict __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 *
|
|
__restrict __attr,
|
|
int *__restrict __schedpolicy)
|
|
__THROW;
|
|
|
|
/* Store scheduling policy in the attribute structure. */
|
|
extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
|
|
int __schedpolicy) __THROW;
|
|
|
|
/* Get scheduling parameters from the attribute structure. */
|
|
extern int posix_spawnattr_getschedparam (const posix_spawnattr_t *
|
|
__restrict __attr,
|
|
struct sched_param *__restrict
|
|
__schedparam) __THROW;
|
|
|
|
/* Store scheduling parameters in the attribute structure. */
|
|
extern int posix_spawnattr_setschedparam (posix_spawnattr_t *__restrict __attr,
|
|
const struct sched_param *
|
|
__restrict __schedparam) __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 *
|
|
__restrict __file_actions,
|
|
int __fd,
|
|
const char *__restrict __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 */
|