pthreadx.h

一个很好用的解析

/* Copyright (C) 2001 by First Peer, Inc. 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. The name of the author may not be used to endorse or promote products
**    derived from this software without specific prior written permission. 
**  
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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. */

#ifndef PTHREADX_H_INCLUDED
#define PTHREADX_H_INCLUDED

#ifndef WIN32
#  define _REENTRANT
#  include <pthread.h>
#elif defined (WIN32)

typedef HANDLE pthread_t;
typedef CRITICAL_SECTION pthread_mutex_t;

#define PTHREAD_MUTEX_INITIALIZER NULL
    //usage: pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

typedef
struct {
    int attrs; //currently unused. placeholder.
} pthread_attr_t;

typedef
struct {
    int attrs; //currently unused. placeholder.
} pthread_mutexattr_t;

//typedef void * (*pthread_func)(void *);
typedef unsigned ( __stdcall *pthread_func )( void * );

extern int pthread_create(pthread_t *new_thread_ID,
                          const pthread_attr_t *attr,
                          pthread_func start_func, void *arg);
extern int pthread_cancel(pthread_t target_thread);
extern int pthread_join(pthread_t target_thread, void **status);
extern int pthread_detach(pthread_t target_thread);

extern int pthread_mutex_init(pthread_mutex_t *mp,
                              const pthread_mutexattr_t *attr);
extern int pthread_mutex_lock(pthread_mutex_t *mp);
extern int pthread_mutex_unlock(pthread_mutex_t *mp);
extern int pthread_mutex_destroy(pthread_mutex_t *mp);

#endif  /* WIN32 */

#endif