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100 lines
4.0 KiB
C
100 lines
4.0 KiB
C
/*
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* Copyright (c) 2020, Nico Weber <thakis@chromium.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* posix_spawn and friends
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*
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* values from POSIX standard unix specification
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*
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* https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/spawn.h.html
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*/
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#pragma once
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#include <sched.h>
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#include <signal.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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enum {
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POSIX_SPAWN_RESETIDS = 1 << 0,
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POSIX_SPAWN_SETPGROUP = 1 << 1,
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POSIX_SPAWN_SETSCHEDPARAM = 1 << 2,
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POSIX_SPAWN_SETSCHEDULER = 1 << 3,
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POSIX_SPAWN_SETSIGDEF = 1 << 4,
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POSIX_SPAWN_SETSIGMASK = 1 << 5,
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POSIX_SPAWN_SETSID = 1 << 6,
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};
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#define POSIX_SPAWN_SETSID POSIX_SPAWN_SETSID
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struct posix_spawn_file_actions_state;
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typedef struct {
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struct posix_spawn_file_actions_state* state;
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} posix_spawn_file_actions_t;
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typedef struct {
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short flags;
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pid_t pgroup;
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struct sched_param schedparam;
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int schedpolicy;
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sigset_t sigdefault;
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sigset_t sigmask;
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} posix_spawnattr_t;
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int posix_spawn(pid_t*, const char*, const posix_spawn_file_actions_t*, const posix_spawnattr_t*, char* const argv[], char* const envp[]);
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int posix_spawnp(pid_t*, const char*, const posix_spawn_file_actions_t*, const posix_spawnattr_t*, char* const argv[], char* const envp[]);
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int posix_spawn_file_actions_addchdir(posix_spawn_file_actions_t*, const char*);
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int posix_spawn_file_actions_addfchdir(posix_spawn_file_actions_t*, int);
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int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t*, int);
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int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t*, int old_fd, int new_fd);
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int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t*, int fd, const char*, int flags, mode_t);
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int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t*);
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int posix_spawn_file_actions_init(posix_spawn_file_actions_t*);
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int posix_spawnattr_destroy(posix_spawnattr_t*);
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int posix_spawnattr_getflags(const posix_spawnattr_t*, short*);
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int posix_spawnattr_getpgroup(const posix_spawnattr_t*, pid_t*);
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int posix_spawnattr_getschedparam(const posix_spawnattr_t*, struct sched_param*);
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int posix_spawnattr_getschedpolicy(const posix_spawnattr_t*, int*);
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int posix_spawnattr_getsigdefault(const posix_spawnattr_t*, sigset_t*);
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int posix_spawnattr_getsigmask(const posix_spawnattr_t*, sigset_t*);
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int posix_spawnattr_init(posix_spawnattr_t*);
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int posix_spawnattr_setflags(posix_spawnattr_t*, short);
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int posix_spawnattr_setpgroup(posix_spawnattr_t*, pid_t);
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int posix_spawnattr_setschedparam(posix_spawnattr_t*, const struct sched_param*);
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int posix_spawnattr_setschedpolicy(posix_spawnattr_t*, int);
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int posix_spawnattr_setsigdefault(posix_spawnattr_t*, const sigset_t*);
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int posix_spawnattr_setsigmask(posix_spawnattr_t*, const sigset_t*);
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__END_DECLS
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