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spawn.h
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/*
* Copyright (c) 2006, 2010 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#ifndef _SPAWN_H_
#define _SPAWN_H_
/*
* [SPN] Support for _POSIX_SPAWN
*/
#include <sys/cdefs.h>
#include <_types.h>
#include <sys/spawn.h> /* shared types */
#include <Availability.h>
/*
* [SPN] Inclusion of the <spawn.h> header may make visible symbols defined
* in the <sched.h>, <signal.h>, and <sys/types.h> headers.
*/
#include <sys/_types/_pid_t.h>
#include <sys/_types/_sigset_t.h>
#include <sys/_types/_mode_t.h>
/*
* Opaque types for use with posix_spawn() family functions. Internals are
* not defined, and should not be accessed directly. Types are defined as
* mandated by POSIX.
*/
typedef void *posix_spawnattr_t;
typedef void *posix_spawn_file_actions_t;
__BEGIN_DECLS
/*
* gcc under c99 mode won't compile "[ __restrict]" by itself. As a workaround,
* a dummy argument name is added.
*/
int posix_spawn(pid_t * __restrict, const char * __restrict,
const posix_spawn_file_actions_t *,
const posix_spawnattr_t * __restrict,
char *const __argv[__restrict],
char *const __envp[__restrict]) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnp(pid_t * __restrict, const char * __restrict,
const posix_spawn_file_actions_t *,
const posix_spawnattr_t * __restrict,
char *const __argv[__restrict],
char *const __envp[__restrict]) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int,
int) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_addopen(
posix_spawn_file_actions_t * __restrict, int,
const char * __restrict, int, mode_t) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_destroy(posix_spawnattr_t *) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
sigset_t * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
short * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
pid_t * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
sigset_t * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_init(posix_spawnattr_t *) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
const sigset_t * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setflags(posix_spawnattr_t *, short) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
const sigset_t * __restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
#if 0 /* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
int posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
const struct sched_param * __restrict);
int posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
int posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
struct sched_param * __restrict);
int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
int * __restrict);
#endif /* 0 */
__END_DECLS
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* Darwin-specific extensions below
*/
#include <mach/exception_types.h>
#include <mach/machine.h>
#include <mach/port.h>
#include <sys/_types/_size_t.h>
__BEGIN_DECLS
int posix_spawnattr_getbinpref_np(const posix_spawnattr_t * __restrict,
size_t, cpu_type_t *__restrict, size_t *__restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_getarchpref_np(const posix_spawnattr_t * __restrict,
size_t, cpu_type_t *__restrict, cpu_subtype_t *__restrict, size_t *__restrict) __API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0), watchos(7.0));
int posix_spawnattr_setauditsessionport_np(posix_spawnattr_t * __restrict,
mach_port_t) __API_AVAILABLE(macos(10.6), ios(3.2), tvos(9.0), watchos(2.0));
int posix_spawnattr_setbinpref_np(posix_spawnattr_t * __restrict,
size_t, cpu_type_t *__restrict, size_t *__restrict) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setarchpref_np(posix_spawnattr_t * __restrict,
size_t, cpu_type_t *__restrict, cpu_subtype_t *__restrict, size_t *__restrict) __API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0), watchos(7.0));
int posix_spawnattr_setexceptionports_np(posix_spawnattr_t * __restrict,
exception_mask_t, mach_port_t,
exception_behavior_t, thread_state_flavor_t) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setspecialport_np(posix_spawnattr_t * __restrict,
mach_port_t, int) __API_AVAILABLE(macos(10.5), ios(2.0), tvos(9.0), watchos(2.0));
int posix_spawnattr_setnosmt_np(const posix_spawnattr_t * __restrict attr) __API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0), watchos(7.0));
/*
* Set CPU Security Mitigation on the spawned process
* This attribute affects all threads and is inherited on fork and exec
*/
int posix_spawnattr_set_csm_np(const posix_spawnattr_t * __restrict attr, uint32_t flags) __API_AVAILABLE(macos(11.0), ios(14.0), tvos(14.0), watchos(7.0));
/*
* flags for CPU Security Mitigation attribute
* POSIX_SPAWN_NP_CSM_ALL should be used in most cases,
* the individual flags are provided only for performance evaluation etc
*/
#define POSIX_SPAWN_NP_CSM_ALL 0x0001
#define POSIX_SPAWN_NP_CSM_NOSMT 0x0002
#define POSIX_SPAWN_NP_CSM_TECS 0x0004
int posix_spawn_file_actions_addinherit_np(posix_spawn_file_actions_t *,
int) __API_AVAILABLE(macos(10.7), ios(4.3), tvos(9.0), watchos(2.0));
int posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *,
const char * __restrict) __API_AVAILABLE(macos(10.15), ios(13.0), tvos(13.0), watchos(6.0));
int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *,
int) __API_AVAILABLE(macos(10.15), ios(13.0), tvos(13.0), watchos(6.0));
__END_DECLS
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#endif /* _SPAWN_H_ */