pthread/pthread_spis.h

   1 /*
   2  * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
  25  *              All Rights Reserved
  26  *
  27  * Permission to use, copy, modify, and distribute this software and
  28  * its documentation for any purpose and without fee is hereby granted,
  29  * provided that the above copyright notice appears in all copies and
  30  * that both the copyright notice and this permission notice appear in
  31  * supporting documentation.
  32  *
  33  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
  34  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  35  * FOR A PARTICULAR PURPOSE.
  36  *
  37  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
  38  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  39  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
  40  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  41  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  42  *
  43  */
  44 /*
  45  * MkLinux
  46  */
  47
  48 /*
  49  * Extension SPIs; installed to /usr/include.
  50  */
  51
  52 #ifndef _PTHREAD_SPIS_H
  53 #define _PTHREAD_SPIS_H
  54
  55
  56 #include <pthread/pthread.h>
  57
  58 #if __has_feature(assume_nonnull)
  59 _Pragma("clang assume_nonnull begin")
  60 #endif
  61 __BEGIN_DECLS
  62
  63 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
  64 /* firstfit */
  65 #define PTHREAD_FIRSTFIT_MUTEX_INITIALIZER {_PTHREAD_FIRSTFIT_MUTEX_SIG_init, {0}}
  66
  67 /*
  68  * Mutex attributes
  69  */
  70 #define _PTHREAD_MUTEX_POLICY_NONE                      PTHREAD_MUTEX_POLICY_NONE
  71 #define _PTHREAD_MUTEX_POLICY_FAIRSHARE         PTHREAD_MUTEX_POLICY_FAIRSHARE_NP
  72 #define _PTHREAD_MUTEX_POLICY_FIRSTFIT          PTHREAD_MUTEX_POLICY_FIRSTFIT_NP
  73
  74 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
  75
  76 __API_AVAILABLE(macos(10.11))
  77 void _pthread_mutex_enable_legacy_mode(void);
  78
  79 /*
  80  * A version of pthread_create that is safely callable from an injected mach thread.
  81  *
  82  * The _create introspection hook will not fire for threads created from this function.
  83  *
  84  * It is not safe to call this function concurrently.
  85  */
  86 __API_AVAILABLE(macos(10.12), ios(10.0), tvos(10.0), watchos(3.0))
  87 #if !_PTHREAD_SWIFT_IMPORTER_NULLABILITY_COMPAT
  88 int pthread_create_from_mach_thread(
  89                 pthread_t _Nullable * _Nonnull __restrict,
  90                 const pthread_attr_t * _Nullable __restrict,
  91                 void * _Nullable (* _Nonnull)(void * _Nullable),
  92                 void * _Nullable __restrict);
  93 #else
  94 int pthread_create_from_mach_thread(pthread_t * __restrict,
  95                 const pthread_attr_t * _Nullable __restrict,
  96                 void *(* _Nonnull)(void *), void * _Nullable __restrict);
  97 #endif
  98
  99
 100 __END_DECLS
 101 #if __has_feature(assume_nonnull)
 102 _Pragma("clang assume_nonnull end")
 103 #endif
 104
 105 #endif /* _PTHREAD_SPIS_H */