text: /*
   * Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
   * Copyright (c) 1995-1998 by John Birrell <jb@cimlogic.com.au>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *  This product includes software developed by Chris Provenzano.
   * 4. The name of Chris Provenzano may not be used to endorse or promote 
   *	  products derived from this software without specific prior written
   *	  permission.
   *
   * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY 
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
   * SUCH DAMAGE.
   *
   * $FreeBSD$
   */
  
  #ifndef _SYS__PTHREADTYPES_H_
  #define _SYS__PTHREADTYPES_H_
  
  /*
   * Forward structure definitions.
   *
   * These are mostly opaque to the user.
   */
  struct pthread;
  struct pthread_attr;
  struct pthread_cond;
  struct pthread_cond_attr;
  struct pthread_mutex;
  struct pthread_mutex_attr;
  struct pthread_once;
  struct pthread_rwlock;
  struct pthread_rwlockattr;
  struct pthread_barrier;
  struct pthread_barrier_attr;
  struct pthread_spinlock;
  
  /*
   * Primitive system data type definitions required by P1003.1c.
   *
   * Note that P1003.1c specifies that there are no defined comparison
   * or assignment operators for the types pthread_attr_t, pthread_cond_t,
   * pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
   */
  #ifndef _PTHREAD_T_DECLARED
  typedef struct	pthread			*pthread_t;
  #define	_PTHREAD_T_DECLARED
  #endif
  typedef struct	pthread_attr		*pthread_attr_t;
  typedef struct	pthread_mutex		*pthread_mutex_t;
  typedef struct	pthread_mutex_attr	*pthread_mutexattr_t;
  typedef struct	pthread_cond		*pthread_cond_t;
  typedef struct	pthread_cond_attr	*pthread_condattr_t;
  typedef int     			pthread_key_t;
  typedef struct	pthread_once		pthread_once_t;
  typedef struct	pthread_rwlock		*pthread_rwlock_t;
  typedef struct	pthread_rwlockattr	*pthread_rwlockattr_t;
  typedef struct	pthread_barrier		pthread_barrier_t;
  typedef struct	pthread_barrierattr	*pthread_barrierattr_t;
  typedef struct	pthread_spinlock	*pthread_spinlock_t;
  
  /*
   * Additional type definitions:
   *
   * Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
   * use in header symbols.
   */
  typedef void	*pthread_addr_t;
  typedef void	*(*pthread_startroutine_t)(void *);
  
  /*
   * Once definitions.
   */
  struct pthread_once {
  	int		state;
  	pthread_mutex_t	mutex;
  };
  
  #endif /* ! _SYS__PTHREADTYPES_H_ */
  