1/*-
2 * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
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
63__BEGIN_DECLS
64/*
65 * Spawn routines
66 *
67 * XXX both arrays should be __restrict, but this does not work when GCC
68 * is invoked with -std=c99.
69 */
70int posix_spawn(pid_t * __restrict, const char * __restrict,
71    const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
72    char * const [], char * const []);
73int posix_spawnp(pid_t * __restrict, const char * __restrict,
74    const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
75    char * const [], char * const []);
76
77/*
78 * File descriptor actions
79 */
80int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
81int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
82
83int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict,
84    int, const char * __restrict, int, mode_t);
85int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
86int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
87
88/*
89 * Spawn attributes
90 */
91int posix_spawnattr_init(posix_spawnattr_t *);
92int posix_spawnattr_destroy(posix_spawnattr_t *);
93
94int posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
95    short * __restrict);
96int posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
97    pid_t * __restrict);
98int posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
99    struct sched_param * __restrict);
100int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
101    int * __restrict);
102int posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
103    sigset_t * __restrict);
104int posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
105    sigset_t * __restrict sigmask);
106
107int posix_spawnattr_setflags(posix_spawnattr_t *, short);
108int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
109int posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
110    const struct sched_param * __restrict);
111int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
112int posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
113    const sigset_t * __restrict);
114int posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
115    const sigset_t * __restrict);
116__END_DECLS
117
118#endif /* !_SPAWN_H_ */
119