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Implement execvpe(3) and posix_spawn(3) and family. Based on
FreeBSD's implementation via Frank Denis, with various cleanups and tweaks by me. ok deraadt@, guenther@; discussions and tweaks from many others jmc@ promises to help me further with the man pages in treeOPENBSD_5_2
matthew
12 years ago
3 changed files with 113 additions and 6 deletions
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+104 -0src/include/spawn.h
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src/include/Makefile
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src/include/spawn.h
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| @ -0,0 +1,104 @@ | |||
| /* $OpenBSD: spawn.h,v 1.1 2012/03/21 23:20:35 matthew Exp $ */ | |||
| /*- | |||
| * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org> | |||
| * All rights reserved. | |||
| * | |||
| * Redistribution and use in source and binary forms, with or without | |||
| * modification, are permitted provided that the following conditions | |||
| * are met: | |||
| * 1. Redistributions of source code must retain the above copyright | |||
| * notice, this list of conditions and the following disclaimer. | |||
| * 2. Redistributions in binary form must reproduce the above copyright | |||
| * notice, this list of conditions and the following disclaimer in the | |||
| * documentation and/or other materials provided with the distribution. | |||
| * | |||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||
| * SUCH DAMAGE. | |||
| * | |||
| * $FreeBSD: src/include/spawn.h,v 1.3.2.1.6.1 2010/12/21 17:09:25 kensmith Exp $ | |||
| */ | |||
| #ifndef _SPAWN_H_ | |||
| #define _SPAWN_H_ | |||
| #include <sys/cdefs.h> | |||
| #include <sys/types.h> | |||
| #include <sys/signal.h> | |||
| struct sched_param; | |||
| typedef struct __posix_spawnattr *posix_spawnattr_t; | |||
| typedef struct __posix_spawn_file_actions *posix_spawn_file_actions_t; | |||
| #define POSIX_SPAWN_RESETIDS 0x01 | |||
| #define POSIX_SPAWN_SETPGROUP 0x02 | |||
| #define POSIX_SPAWN_SETSCHEDPARAM 0x04 | |||
| #define POSIX_SPAWN_SETSCHEDULER 0x08 | |||
| #define POSIX_SPAWN_SETSIGDEF 0x10 | |||
| #define POSIX_SPAWN_SETSIGMASK 0x20 | |||
| __BEGIN_DECLS | |||
| /* | |||
| * Spawn routines | |||
| * | |||
| * XXX both arrays should be __restrict, but this does not work when GCC | |||
| * is invoked with -std=c99. | |||
| */ | |||
| int posix_spawn(pid_t *__restrict, const char *__restrict, | |||
| const posix_spawn_file_actions_t *, const posix_spawnattr_t *__restrict, | |||
| char *const [], char *const []); | |||
| int posix_spawnp(pid_t *__restrict, const char *__restrict, | |||
| const posix_spawn_file_actions_t *, const posix_spawnattr_t *__restrict, | |||
| char *const [], char *const []); | |||
| /* | |||
| * File descriptor actions | |||
| */ | |||
| int posix_spawn_file_actions_init(posix_spawn_file_actions_t *); | |||
| int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *); | |||
| int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *__restrict, | |||
| int, const char *__restrict, int, mode_t); | |||
| int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int); | |||
| int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int); | |||
| /* | |||
| * Spawn attributes | |||
| */ | |||
| int posix_spawnattr_init(posix_spawnattr_t *); | |||
| int posix_spawnattr_destroy(posix_spawnattr_t *); | |||
| int posix_spawnattr_getflags(const posix_spawnattr_t *__restrict, | |||
| short *__restrict); | |||
| int posix_spawnattr_getpgroup(const posix_spawnattr_t *__restrict, | |||
| pid_t *__restrict); | |||
| int posix_spawnattr_getschedparam(const posix_spawnattr_t *__restrict, | |||
| struct sched_param *__restrict); | |||
| int posix_spawnattr_getschedpolicy(const posix_spawnattr_t *__restrict, | |||
| int *__restrict); | |||
| int posix_spawnattr_getsigdefault(const posix_spawnattr_t *__restrict, | |||
| sigset_t *__restrict); | |||
| int posix_spawnattr_getsigmask(const posix_spawnattr_t *__restrict, | |||
| sigset_t *__restrict sigmask); | |||
| int posix_spawnattr_setflags(posix_spawnattr_t *, short); | |||
| int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t); | |||
| int posix_spawnattr_setschedparam(posix_spawnattr_t *__restrict, | |||
| const struct sched_param *__restrict); | |||
| int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int); | |||
| int posix_spawnattr_setsigdefault(posix_spawnattr_t *__restrict, | |||
| const sigset_t *__restrict); | |||
| int posix_spawnattr_setsigmask(posix_spawnattr_t *__restrict, | |||
| const sigset_t *__restrict); | |||
| __END_DECLS | |||
| #endif /* !_SPAWN_H_ */ | |||