1/*-
  2 * SPDX-License-Identifier: BSD-2-Clause
  3 *
  4 * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
  5 * All rights reserved.
  6 *
  7 * Redistribution and use in source and binary forms, with or without
  8 * modification, are permitted provided that the following conditions
  9 * are met:
 10 * 1. Redistributions of source code must retain the above copyright
 11 *    notice, this list of conditions and the following disclaimer.
 12 * 2. Redistributions in binary form must reproduce the above copyright
 13 *    notice, this list of conditions and the following disclaimer in the
 14 *    documentation and/or other materials provided with the distribution.
 15 *
 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 26 * SUCH DAMAGE.
 27 */
 28
 29#ifndef _SPAWN_H_
 30#define _SPAWN_H_
 31
 32#include <sys/cdefs.h>
 33#include <sys/_types.h>
 34#include <sys/_sigset.h>
 35
 36#ifndef _MODE_T_DECLARED
 37typedef	__mode_t	mode_t;
 38#define	_MODE_T_DECLARED
 39#endif
 40
 41#ifndef _PID_T_DECLARED
 42typedef	__pid_t		pid_t;
 43#define	_PID_T_DECLARED
 44#endif
 45
 46#ifndef _SIGSET_T_DECLARED
 47#define	_SIGSET_T_DECLARED
 48typedef	__sigset_t	sigset_t;
 49#endif
 50
 51struct sched_param;
 52
 53typedef struct __posix_spawnattr		*posix_spawnattr_t;
 54typedef struct __posix_spawn_file_actions	*posix_spawn_file_actions_t;
 55
 56#define POSIX_SPAWN_RESETIDS		0x01
 57#define POSIX_SPAWN_SETPGROUP		0x02
 58#define POSIX_SPAWN_SETSCHEDPARAM	0x04
 59#define POSIX_SPAWN_SETSCHEDULER	0x08
 60#define POSIX_SPAWN_SETSIGDEF		0x10
 61#define POSIX_SPAWN_SETSIGMASK		0x20
 62#define	POSIX_SPAWN_DISABLE_ASLR_NP	0x40
 63
 64__BEGIN_DECLS
 65/*
 66 * Spawn routines
 67 *
 68 * XXX both arrays should be __restrict, but this does not work when GCC
 69 * is invoked with -std=c99.
 70 */
 71int posix_spawn(pid_t * __restrict, const char * __restrict,
 72    const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
 73    char * const [], char * const []);
 74int posix_spawnp(pid_t * __restrict, const char * __restrict,
 75    const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
 76    char * const [], char * const []);
 77
 78/*
 79 * File descriptor actions
 80 */
 81int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
 82int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
 83
 84int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict,
 85    int, const char * __restrict, int, mode_t);
 86int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
 87int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
 88
 89#if __BSD_VISIBLE
 90int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *
 91    __restrict, const char * __restrict);
 92int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *,
 93    int);
 94int posix_spawn_file_actions_addclosefrom_np(posix_spawn_file_actions_t *,
 95    int);
 96#endif
 97
 98/*
 99 * Spawn attributes
100 */
101int posix_spawnattr_init(posix_spawnattr_t *);
102int posix_spawnattr_destroy(posix_spawnattr_t *);
103
104int posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
105    short * __restrict);
106int posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
107    pid_t * __restrict);
108int posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
109    struct sched_param * __restrict);
110int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
111    int * __restrict);
112int posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
113    sigset_t * __restrict);
114int posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
115    sigset_t * __restrict sigmask);
116
117int posix_spawnattr_setflags(posix_spawnattr_t *, short);
118int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
119int posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
120    const struct sched_param * __restrict);
121int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
122int posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
123    const sigset_t * __restrict);
124int posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
125    const sigset_t * __restrict);
126__END_DECLS
127
128#endif /* !_SPAWN_H_ */