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 37 typedef __mode_t mode_t; 38 #define _MODE_T_DECLARED 39 #endif 40 41 #ifndef _PID_T_DECLARED 42 typedef __pid_t pid_t; 43 #define _PID_T_DECLARED 44 #endif 45 46 #ifndef _SIGSET_T_DECLARED 47 #define _SIGSET_T_DECLARED 48 typedef __sigset_t sigset_t; 49 #endif 50 51 struct sched_param; 52 53 typedef struct __posix_spawnattr *posix_spawnattr_t; 54 typedef 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 */ 71 int 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 []); 74 int 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 */ 81 int posix_spawn_file_actions_init(posix_spawn_file_actions_t *); 82 int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *); 83 84 int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict, 85 int, const char * __restrict, int, mode_t); 86 int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int); 87 int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int); 88 int posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t * 89 __restrict, const char * __restrict); 90 int posix_spawn_file_actions_addfchdir(posix_spawn_file_actions_t *, 91 int); 92 93 #if __BSD_VISIBLE 94 int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t * 95 __restrict, const char * __restrict); 96 int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *, 97 int); 98 int posix_spawn_file_actions_addclosefrom_np(posix_spawn_file_actions_t *, 99 int); 100 #endif 101 102 /* 103 * Spawn attributes 104 */ 105 int posix_spawnattr_init(posix_spawnattr_t *); 106 int posix_spawnattr_destroy(posix_spawnattr_t *); 107 108 int posix_spawnattr_getflags(const posix_spawnattr_t * __restrict, 109 short * __restrict); 110 int posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict, 111 pid_t * __restrict); 112 int posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict, 113 struct sched_param * __restrict); 114 int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict, 115 int * __restrict); 116 int posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict, 117 sigset_t * __restrict); 118 int posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict, 119 sigset_t * __restrict sigmask); 120 121 int posix_spawnattr_setflags(posix_spawnattr_t *, short); 122 int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t); 123 int posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict, 124 const struct sched_param * __restrict); 125 int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int); 126 int posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict, 127 const sigset_t * __restrict); 128 int posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict, 129 const sigset_t * __restrict); 130 131 #if __BSD_VISIBLE 132 int posix_spawnattr_setexecfd_np(posix_spawnattr_t * __restrict, int); 133 int posix_spawnattr_setprocdescp_np(const posix_spawnattr_t * __restrict, 134 int * __restrict, int); 135 int posix_spawnattr_getexecfd_np(const posix_spawnattr_t * __restrict, 136 int * __restrict); 137 int posix_spawnattr_getprocdescp_np(const posix_spawnattr_t * __restrict, 138 int ** __restrict, int * __restrict); 139 #endif 140 141 __END_DECLS 142 143 #endif /* !_SPAWN_H_ */ 144