sys/sys/_pthreadtypes.h

   1 /*
   2  * Copyright (c) 2020 The DragonFly Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  14  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  15  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  16  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  17  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  19  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  21  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  22  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  23  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #ifndef _SYS__PTHREADTYPES_H_
  28 #define _SYS__PTHREADTYPES_H_
  29
  30 #include <sys/cdefs.h>
  31
  32 /*
  33  * Forward opaque structure definitions that do not pollute namespaces.
  34  * To be used in headers where visibility is an issue.
  35  */
  36 struct __pthread_s;
  37 struct __pthread_attr_s;
  38 struct __pthread_barrier_s;
  39 struct __pthread_barrierattr_s;
  40 struct __pthread_cond_s;
  41 struct __pthread_condattr_s;
  42 struct __pthread_mutex_s;
  43 struct __pthread_mutexattr_s;
  44 struct __pthread_once_s;
  45 struct __pthread_rwlock_s;
  46 struct __pthread_rwlockattr_s;
  47 struct __pthread_spinlock_s;
  48
  49 /*
  50  * Basic pthread types to be used in function prototypes.
  51  */
  52 #ifndef _PTHREAD_T_DECLARED
  53 typedef struct __pthread_s              *pthread_t;
  54 #define _PTHREAD_T_DECLARED
  55 #endif
  56 #ifndef _PTHREAD_ATTR_T_DECLARED
  57 typedef struct __pthread_attr_s         *pthread_attr_t;
  58 #define _PTHREAD_ATTR_T_DECLARED
  59 #endif
  60 typedef struct __pthread_barrier_s      *pthread_barrier_t;
  61 typedef struct __pthread_barrierattr_s  *pthread_barrierattr_t;
  62 typedef struct __pthread_cond_s         *pthread_cond_t;
  63 typedef struct __pthread_condattr_s     *pthread_condattr_t;
  64 typedef struct __pthread_mutex_s        *pthread_mutex_t;
  65 typedef struct __pthread_mutexattr_s    *pthread_mutexattr_t;
  66 typedef int                             pthread_key_t;
  67 typedef struct __pthread_once_s         pthread_once_t;
  68
  69 typedef struct __pthread_rwlock_s       *pthread_rwlock_t;
  70 typedef struct __pthread_rwlockattr_s   *pthread_rwlockattr_t;
  71 typedef struct __pthread_spinlock_s     *pthread_spinlock_t;
  72
  73 /*
  74  * Once-only structure (partly public).
  75  */
  76 struct __pthread_once_s {
  77         int             __state;
  78         void            *__sparelibc_r; /* unused, kept for ABI compat */
  79 };
  80
  81 #endif  /* !_SYS__PTHREADTYPES_H_ */