root/usr/src/boot/sys/sys/_pthreadtypes.h
/*
 * 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_ */