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/*
* Copyright 2009 Niels Provos and Nick Mathewson
*
* 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 ``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 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 "event-config.h"
#endif
#ifdef WIN32
#include <winsock2.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <sys/locking.h>
#endif
struct event_base;
#include <event2/thread.h>
#include "mm-internal.h"
static void *
evthread_win32_lock_create(void)
{
CRITICAL_SECTION *lock = mm_malloc(sizeof(CRITICAL_SECTION));
if (!lock)
return NULL;
InitializeCriticalSection(lock);
return lock;
}
static void
evthread_win32_lock_free(void *_lock)
{
CRITICAL_SECTION *lock = _lock;
DeleteCriticalSection(lock);
}
static void
evthread_win32_lock(int mode, void *_lock)
{
CRITICAL_SECTION *lock = _lock;
if (0 != (mode & EVTHREAD_LOCK))
EnterCriticalSection(lock);
else
LeaveCriticalSection(lock);
}
static unsigned long
evthread_win32_get_id(void)
{
return (unsigned long) GetCurrentThreadId();
}
int
evthread_use_windows_threads(void)
{
evthread_set_lock_create_callbacks(
evthread_win32_lock_create,
evthread_win32_lock_free);
evthread_set_locking_callback(evthread_win32_lock);
evthread_set_id_callback(evthread_win32_get_id);
return 0;
}
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