sys/sys/_pthreadtypes.h

   1 /*
   2  * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
   3  * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *    This product includes software developed by Chris Provenzano.
  17  * 4. The name of Chris Provenzano may not be used to endorse or promote
  18  *    products derived from this software without specific prior written
  19  *    permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
  25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  28  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _SYS__PTHREADTYPES_H_
  35 #define _SYS__PTHREADTYPES_H_
  36
  37 /*
  38  * Forward structure definitions.
  39  *
  40  * These are mostly opaque to the user.
  41  */
  42 struct pthread;
  43 struct pthread_attr;
  44 struct pthread_cond;
  45 struct pthread_cond_attr;
  46 struct pthread_mutex;
  47 struct pthread_mutex_attr;
  48 struct pthread_once;
  49 struct pthread_rwlock;
  50 struct pthread_rwlockattr;
  51 struct pthread_barrier;
  52 struct pthread_barrier_attr;
  53 struct pthread_spinlock;
  54
  55 /*
  56  * Primitive system data type definitions required by P1003.1c.
  57  *
  58  * Note that P1003.1c specifies that there are no defined comparison
  59  * or assignment operators for the types pthread_attr_t, pthread_cond_t,
  60  * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
  61  */
  62 typedef struct  pthread                 *pthread_t;
  63 typedef struct  pthread_attr            *pthread_attr_t;
  64 typedef struct  pthread_mutex           *pthread_mutex_t;
  65 typedef struct  pthread_mutex_attr      *pthread_mutexattr_t;
  66 typedef struct  pthread_cond            *pthread_cond_t;
  67 typedef struct  pthread_cond_attr       *pthread_condattr_t;
  68 typedef int                             pthread_key_t;
  69 typedef struct  pthread_once            pthread_once_t;
  70 typedef struct  pthread_rwlock          *pthread_rwlock_t;
  71 typedef struct  pthread_rwlockattr      *pthread_rwlockattr_t;
  72 typedef struct  pthread_barrier         *pthread_barrier_t;
  73 typedef struct  pthread_barrierattr     *pthread_barrierattr_t;
  74 typedef struct  pthread_spinlock        *pthread_spinlock_t;
  75
  76 /*
  77  * Additional type definitions:
  78  *
  79  * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
  80  * use in header symbols.
  81  */
  82 typedef void    *pthread_addr_t;
  83 typedef void    *(*pthread_startroutine_t) (void *);
  84
  85 /*
  86  * Once definitions.
  87  */
  88 struct pthread_once {
  89         int             state;
  90         pthread_mutex_t mutex;
  91 };
  92
  93 #endif /* ! _SYS__PTHREADTYPES_H_ */