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zig/lib/libc/include/x86_64-macos-gnu/pthread.h
Andrew Kelley 2eee0582f8 macOS libc headers: downgrade to 10.15.7 (Catalina) 
See ziglang/fetch-them-macos-headers#2 for more details. The path
forward looks like one of the following:

 * Ony provide headers for the oldest supported macOS (currently 10.13
   but soon to be bumped to 10.14).
 * Provide headers for multiple versions, and select based on the Zig
   target OS version range minimum.
 * Don't try to provide macOS headers.

If we don't tackle the version problem, we would have to re-introduce
the ability to detect and depend on native system headers if we wanted
to support C/C++ code that used newer OS definitions.

This patch also adds support for `#include <mach/mach_time.h>`.

Also related: #5236
2020-11-17 11:40:24 -08:00

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/*
* Copyright (c) 2000-2012 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@
*/
/*
* Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation.
*
* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/*
* MkLinux
*/
/*
* POSIX Threads - IEEE 1003.1c
*/
#ifndef _PTHREAD_H
#define _PTHREAD_H
#include <_types.h>
#ifndef __POSIX_LIB__
#include <pthread/pthread_impl.h>
#endif
#include <pthread/sched.h>
#include <time.h>
#include <sys/_pthread/_pthread_types.h>
#include <sys/_pthread/_pthread_attr_t.h>
#include <sys/_pthread/_pthread_cond_t.h>
#include <sys/_pthread/_pthread_condattr_t.h>
#include <sys/_pthread/_pthread_key_t.h>
#include <sys/_pthread/_pthread_mutex_t.h>
#include <sys/_pthread/_pthread_mutexattr_t.h>
#include <sys/_pthread/_pthread_once_t.h>
#include <sys/_pthread/_pthread_rwlock_t.h>
#include <sys/_pthread/_pthread_rwlockattr_t.h>
#include <sys/_pthread/_pthread_t.h>
#include <pthread/qos.h>
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE) || defined(__cplusplus)
#include <sys/_types/_mach_port_t.h>
#include <sys/_types/_sigset_t.h>
#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE || __cplusplus */
/*
* These symbols indicate which [optional] features are available
* They can be tested at compile time via '#ifdef XXX'
* The way to check for pthreads is like so:
* #include <unistd.h>
* #ifdef _POSIX_THREADS
* #include <pthread.h>
* #endif
*/
/* These will be moved to unistd.h */
/*
* Note: These data structures are meant to be opaque. Only enough
* structure is exposed to support initializers.
* All of the typedefs will be moved to <sys/types.h>
*/
#include <sys/cdefs.h>
#include <Availability.h>
#if __has_feature(assume_nonnull)
_Pragma("clang assume_nonnull begin")
#endif
__BEGIN_DECLS
/*
* Threads
*/
/*
* Cancel cleanup handler management. Note, since these are implemented as macros,
* they *MUST* occur in matched pairs!
*/
#define pthread_cleanup_push(func, val) \
{ \
struct __darwin_pthread_handler_rec __handler; \
pthread_t __self = pthread_self(); \
__handler.__routine = func; \
__handler.__arg = val; \
__handler.__next = __self->__cleanup_stack; \
__self->__cleanup_stack = &__handler;
#define pthread_cleanup_pop(execute) \
/* Note: 'handler' must be in this same lexical context! */ \
__self->__cleanup_stack = __handler.__next; \
if (execute) (__handler.__routine)(__handler.__arg); \
}
/*
* Thread attributes
*/
#define PTHREAD_CREATE_JOINABLE 1
#define PTHREAD_CREATE_DETACHED 2
#define PTHREAD_INHERIT_SCHED 1
#define PTHREAD_EXPLICIT_SCHED 2
#define PTHREAD_CANCEL_ENABLE 0x01 /* Cancel takes place at next cancellation point */
#define PTHREAD_CANCEL_DISABLE 0x00 /* Cancel postponed */
#define PTHREAD_CANCEL_DEFERRED 0x02 /* Cancel waits until cancellation point */
#define PTHREAD_CANCEL_ASYNCHRONOUS 0x00 /* Cancel occurs immediately */
/* Value returned from pthread_join() when a thread is canceled */
#define PTHREAD_CANCELED ((void *) 1)
/* We only support PTHREAD_SCOPE_SYSTEM */
#define PTHREAD_SCOPE_SYSTEM 1
#define PTHREAD_SCOPE_PROCESS 2
#define PTHREAD_PROCESS_SHARED 1
#define PTHREAD_PROCESS_PRIVATE 2
/*
* Mutex protocol attributes
*/
#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 1
#define PTHREAD_PRIO_PROTECT 2
/*
* Mutex type attributes
*/
#define PTHREAD_MUTEX_NORMAL 0
#define PTHREAD_MUTEX_ERRORCHECK 1
#define PTHREAD_MUTEX_RECURSIVE 2
#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
/*
* Mutex policy attributes
*/
#define PTHREAD_MUTEX_POLICY_FAIRSHARE_NP 1
#define PTHREAD_MUTEX_POLICY_FIRSTFIT_NP 3
/*
* RWLock variables
*/
#define PTHREAD_RWLOCK_INITIALIZER {_PTHREAD_RWLOCK_SIG_init, {0}}
/*
* Mutex variables
*/
#define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}}
/* <rdar://problem/10854763> */
#if ((__MAC_OS_X_VERSION_MIN_REQUIRED && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070) || (__IPHONE_OS_VERSION_MIN_REQUIRED && __IPHONE_OS_VERSION_MIN_REQUIRED >= 50000)) || defined(__DRIVERKIT_VERSION_MIN_REQUIRED)
# if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER {_PTHREAD_ERRORCHECK_MUTEX_SIG_init, {0}}
# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER {_PTHREAD_RECURSIVE_MUTEX_SIG_init, {0}}
# endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
#endif
/* <rdar://problem/25944576> */
#define _PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT \
defined(SWIFT_CLASS_EXTRA) && (!defined(SWIFT_SDK_OVERLAY_PTHREAD_EPOCH) || (SWIFT_SDK_OVERLAY_PTHREAD_EPOCH < 1))
/*
* Condition variable attributes
*/
/*
* Condition variables
*/
#define PTHREAD_COND_INITIALIZER {_PTHREAD_COND_SIG_init, {0}}
/*
* Initialization control (once) variables
*/
#define PTHREAD_ONCE_INIT {_PTHREAD_ONCE_SIG_init, {0}}
/*
* Prototypes for all PTHREAD interfaces
*/
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_atfork(void (* _Nullable)(void), void (* _Nullable)(void),
void (* _Nullable)(void));
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_destroy(pthread_attr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getguardsize(const pthread_attr_t * __restrict, size_t * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getinheritsched(const pthread_attr_t * __restrict, int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getschedparam(const pthread_attr_t * __restrict,
struct sched_param * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getschedpolicy(const pthread_attr_t * __restrict, int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getscope(const pthread_attr_t * __restrict, int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getstack(const pthread_attr_t * __restrict,
void * _Nullable * _Nonnull __restrict, size_t * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getstackaddr(const pthread_attr_t * __restrict,
void * _Nullable * _Nonnull __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_getstacksize(const pthread_attr_t * __restrict, size_t * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_init(pthread_attr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setdetachstate(pthread_attr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setguardsize(pthread_attr_t *, size_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setinheritsched(pthread_attr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setschedparam(pthread_attr_t * __restrict,
const struct sched_param * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setschedpolicy(pthread_attr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setscope(pthread_attr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setstackaddr(pthread_attr_t *, void *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_attr_setstacksize(pthread_attr_t *, size_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cancel(pthread_t) __DARWIN_ALIAS(pthread_cancel);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_broadcast(pthread_cond_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_destroy(pthread_cond_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_init(
pthread_cond_t * __restrict,
const pthread_condattr_t * _Nullable __restrict)
__DARWIN_ALIAS(pthread_cond_init);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_signal(pthread_cond_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_timedwait(
pthread_cond_t * __restrict, pthread_mutex_t * __restrict,
const struct timespec * _Nullable __restrict)
__DARWIN_ALIAS_C(pthread_cond_timedwait);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_wait(pthread_cond_t * __restrict,
pthread_mutex_t * __restrict) __DARWIN_ALIAS_C(pthread_cond_wait);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_condattr_destroy(pthread_condattr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_condattr_init(pthread_condattr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_condattr_getpshared(const pthread_condattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_condattr_setpshared(pthread_condattr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
#if !_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
int pthread_create(pthread_t _Nullable * _Nonnull __restrict,
const pthread_attr_t * _Nullable __restrict,
void * _Nullable (* _Nonnull)(void * _Nullable),
void * _Nullable __restrict);
#else
int pthread_create(pthread_t * __restrict,
const pthread_attr_t * _Nullable __restrict,
void *(* _Nonnull)(void *), void * _Nullable __restrict);
#endif // _PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_detach(pthread_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_equal(pthread_t _Nullable, pthread_t _Nullable);
__API_AVAILABLE(macos(10.4), ios(2.0))
void pthread_exit(void * _Nullable) __dead2;
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_getconcurrency(void);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_getschedparam(pthread_t , int * _Nullable __restrict,
struct sched_param * _Nullable __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
void* _Nullable pthread_getspecific(pthread_key_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_join(pthread_t , void * _Nullable * _Nullable)
__DARWIN_ALIAS_C(pthread_join);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_key_create(pthread_key_t *, void (* _Nullable)(void *));
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_key_delete(pthread_key_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_destroy(pthread_mutex_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_getprioceiling(const pthread_mutex_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_init(pthread_mutex_t * __restrict,
const pthread_mutexattr_t * _Nullable __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_lock(pthread_mutex_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_setprioceiling(pthread_mutex_t * __restrict, int,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_trylock(pthread_mutex_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutex_unlock(pthread_mutex_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_destroy(pthread_mutexattr_t *) __DARWIN_ALIAS(pthread_mutexattr_destroy);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_getprotocol(const pthread_mutexattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_getpshared(const pthread_mutexattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_gettype(const pthread_mutexattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.13.4), ios(11.3), watchos(4.3), tvos(11.3))
int pthread_mutexattr_getpolicy_np(const pthread_mutexattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_init(pthread_mutexattr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
__API_AVAILABLE(macos(10.7), ios(5.0))
int pthread_mutexattr_setpolicy_np(pthread_mutexattr_t *, int);
__SWIFT_UNAVAILABLE_MSG("Use lazily initialized globals instead")
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_once(pthread_once_t *, void (* _Nonnull)(void));
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_destroy(pthread_rwlock_t * ) __DARWIN_ALIAS(pthread_rwlock_destroy);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_init(pthread_rwlock_t * __restrict,
const pthread_rwlockattr_t * _Nullable __restrict)
__DARWIN_ALIAS(pthread_rwlock_init);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_rdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_rdlock);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_tryrdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_tryrdlock);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_trywrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_trywrlock);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_wrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_wrlock);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlock_unlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_unlock);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t * __restrict,
int * __restrict);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlockattr_init(pthread_rwlockattr_t *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
__API_AVAILABLE(macos(10.4), ios(2.0))
pthread_t pthread_self(void);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_setcancelstate(int , int * _Nullable)
__DARWIN_ALIAS(pthread_setcancelstate);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_setcanceltype(int , int * _Nullable)
__DARWIN_ALIAS(pthread_setcanceltype);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_setconcurrency(int);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_setschedparam(pthread_t, int, const struct sched_param *);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_setspecific(pthread_key_t , const void * _Nullable);
__API_AVAILABLE(macos(10.4), ios(2.0))
void pthread_testcancel(void) __DARWIN_ALIAS(pthread_testcancel);
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE) || defined(__cplusplus)
/* returns non-zero if pthread_create or cthread_fork have been called */
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_is_threaded_np(void);
__API_AVAILABLE(macos(10.6), ios(3.2))
int pthread_threadid_np(pthread_t _Nullable,__uint64_t* _Nullable);
/*SPI to set and get pthread name*/
__API_AVAILABLE(macos(10.6), ios(3.2))
int pthread_getname_np(pthread_t,char*,size_t);
__API_AVAILABLE(macos(10.6), ios(3.2))
int pthread_setname_np(const char*);
/* returns non-zero if the current thread is the main thread */
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_main_np(void);
/* return the mach thread bound to the pthread */
__API_AVAILABLE(macos(10.4), ios(2.0))
mach_port_t pthread_mach_thread_np(pthread_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
size_t pthread_get_stacksize_np(pthread_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
void* pthread_get_stackaddr_np(pthread_t);
/* Like pthread_cond_signal(), but only wake up the specified pthread */
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_signal_thread_np(pthread_cond_t *, pthread_t _Nullable);
/* Like pthread_cond_timedwait, but use a relative timeout */
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_cond_timedwait_relative_np(pthread_cond_t *, pthread_mutex_t *,
const struct timespec * _Nullable);
/* Like pthread_create(), but leaves the thread suspended */
__API_AVAILABLE(macos(10.4), ios(2.0))
#if !_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
int pthread_create_suspended_np(
pthread_t _Nullable * _Nonnull, const pthread_attr_t * _Nullable,
void * _Nullable (* _Nonnull)(void * _Nullable), void * _Nullable);
#else
int pthread_create_suspended_np(pthread_t *, const pthread_attr_t * _Nullable,
void *(* _Nonnull)(void *), void * _Nullable);
#endif
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_kill(pthread_t, int);
__API_AVAILABLE(macos(10.5), ios(2.0))
_Nullable pthread_t pthread_from_mach_thread_np(mach_port_t);
__API_AVAILABLE(macos(10.4), ios(2.0))
int pthread_sigmask(int, const sigset_t * _Nullable, sigset_t * _Nullable)
__DARWIN_ALIAS(pthread_sigmask);
__API_AVAILABLE(macos(10.4), ios(2.0))
void pthread_yield_np(void);
#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE || __cplusplus */
__END_DECLS
#if __has_feature(assume_nonnull)
_Pragma("clang assume_nonnull end")
#endif
#endif /* _PTHREAD_H */
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