src/lib/u/pthreadx_win32.c

/* 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. */


#ifdef HAVE_CONFIG_H
#include <wsman_config.h>
#endif

#ifdef WIN32

#include "u/pthreadx.h"

#include <process.h>

#undef PACKAGE
#undef VERSION

int pthread_create(pthread_t *new_thread_ID,
                   const pthread_attr_t * attr,
                   pthread_func start_func, void *arg)
{
    HANDLE hThread;
    DWORD dwThreadID;

    hThread = (HANDLE) _beginthreadex (
        NULL, 0, start_func, (LPVOID)arg, CREATE_SUSPENDED, &dwThreadID);

    SetThreadPriority (hThread, THREAD_PRIORITY_NORMAL); 
    ResumeThread (hThread);

    *new_thread_ID = hThread;

    return hThread ? 0 : -1;
}

/* Just kill it. */
int pthread_cancel(pthread_t target_thread)
{
    CloseHandle (target_thread);
    return 0;
}

/* Waits for the thread to exit before continuing. */
int pthread_join(pthread_t target_thread, void **status)
{
    DWORD dwResult = WaitForSingleObject(target_thread, INFINITE);
    *((DWORD *)status) = dwResult;
    return 0;
}

/* Stubbed. Do nothing. */
int pthread_detach(pthread_t target_thread)
{
    return 0;
}

int pthread_mutex_init(pthread_mutex_t *mp,
                       const pthread_mutexattr_t * attr)
{
    InitializeCriticalSection(mp);
    return 0;
}

#if(_WIN32_WINNT >= 0x0400)
int
pthread_mutex_trylock(pthread_mutex_t *m)
{
	if (TryEnterCriticalSection(m) == TRUE)
		return 0;
	return -1;
}
#endif

int
pthread_mutexattr_settype(pthread_mutexattr_t *attr, int t)
{
	attr->type = t;
	return 0;
}

int
pthread_mutexattr_init(pthread_mutexattr_t *attr)
{
	memset(attr, 0, sizeof(*attr));
	return 0;
}

int pthread_mutex_lock(pthread_mutex_t *mp)
{
    EnterCriticalSection(mp);
    return 0;
}

int pthread_mutex_unlock(pthread_mutex_t *mp)
{
    LeaveCriticalSection(mp);
    return 0;
}

int pthread_mutex_destroy(pthread_mutex_t *mp)
{
    DeleteCriticalSection(mp);
    return 0;
}

#endif