text: /*
   * Copyright (c) 2000-2003 Apple Computer, 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 _PTHREAD_IMPL_H_
  #define _PTHREAD_IMPL_H_
  /*
   * Internal implementation details
   */
  
  /* This whole header file will disappear, so don't depend on it... */
  
  #if __has_feature(assume_nonnull)
  _Pragma("clang assume_nonnull begin")
  #endif
  
  #ifndef __POSIX_LIB__
  
  /*
   * [Internal] data structure signatures
   */
  #define _PTHREAD_MUTEX_SIG_init		0x32AAABA7
  
  #define _PTHREAD_ERRORCHECK_MUTEX_SIG_init      0x32AAABA1
  #define _PTHREAD_RECURSIVE_MUTEX_SIG_init       0x32AAABA2
  #define _PTHREAD_FIRSTFIT_MUTEX_SIG_init       0x32AAABA3
  
  #define _PTHREAD_COND_SIG_init		0x3CB0B1BB
  #define _PTHREAD_ONCE_SIG_init		0x30B1BCBA
  #define _PTHREAD_RWLOCK_SIG_init    0x2DA8B3B4
  
  /*
   * POSIX scheduling policies
   */
  #define SCHED_OTHER                1
  #define SCHED_FIFO                 4
  #define SCHED_RR                   2
  
  #define __SCHED_PARAM_SIZE__       4
  
  #endif /* __POSIX_LIB__ */
  
  #if __has_feature(assume_nonnull)
  _Pragma("clang assume_nonnull end")
  #endif
  
  #endif /* _PTHREAD_IMPL_H_ */
  