gtkradiant/tools/quake3/common/mutex.c
TTimo 8037810110 transfer from internal tree r5311 branches/1.4-gpl
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@177 8a3a26a2-13c4-0310-b231-cf6edde360e5
2007-09-12 18:54:28 +00:00

197 lines
3.7 KiB
C

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cmdlib.h"
#include "qthreads.h"
#include "mutex.h"
/*
===================================================================
WIN32
===================================================================
*/
#ifdef _WIN32
#define USED
#include <windows.h>
void MutexLock (mutex_t *m)
{
CRITICAL_SECTION *crit;
if (!m)
return;
crit = (CRITICAL_SECTION *) m;
EnterCriticalSection (crit);
}
void MutexUnlock (mutex_t *m)
{
CRITICAL_SECTION *crit;
if (!m)
return;
crit = (CRITICAL_SECTION *) m;
LeaveCriticalSection (crit);
}
mutex_t *MutexAlloc(void)
{
CRITICAL_SECTION *crit;
if (numthreads == 1)
return NULL;
crit = (CRITICAL_SECTION *) safe_malloc(sizeof(CRITICAL_SECTION));
InitializeCriticalSection (crit);
return (void *) crit;
}
#endif
/*
===================================================================
OSF1
===================================================================
*/
#ifdef __osf__
#define USED
#include <pthread.h>
void MutexLock (mutex_t *m)
{
pthread_mutex_t *my_mutex;
if (!m)
return;
my_mutex = (pthread_mutex_t *) m;
pthread_mutex_lock (my_mutex);
}
void MutexUnlock (mutex_t *m)
{
pthread_mutex_t *my_mutex;
if (!m)
return;
my_mutex = (pthread_mutex_t *) m;
pthread_mutex_unlock (my_mutex);
}
mutex_t *MutexAlloc(void)
{
pthread_mutex_t *my_mutex;
pthread_mutexattr_t mattrib;
if (numthreads == 1)
return NULL;
my_mutex = safe_malloc (sizeof(*my_mutex));
if (pthread_mutexattr_create (&mattrib) == -1)
Error ("pthread_mutex_attr_create failed");
if (pthread_mutexattr_setkind_np (&mattrib, MUTEX_FAST_NP) == -1)
Error ("pthread_mutexattr_setkind_np failed");
if (pthread_mutex_init (my_mutex, mattrib) == -1)
Error ("pthread_mutex_init failed");
return (void *) my_mutex;
}
#endif
/*
===================================================================
IRIX
===================================================================
*/
#ifdef _MIPS_ISA
#define USED
#include <task.h>
#include <abi_mutex.h>
#include <sys/types.h>
#include <sys/prctl.h>
void MutexLock (mutex_t *m)
{
abilock_t *lck;
if (!m)
return;
lck = (abilock_t *) m;
spin_lock (lck);
}
void MutexUnlock (mutex_t *m)
{
abilock_t *lck;
if (!m)
return;
lck = (abilock_t *) m;
release_lock (lck);
}
mutex_t *MutexAlloc(void)
{
abilock_t *lck;
if (numthreads == 1)
return NULL;
lck = (abilock_t *) safe_malloc(sizeof(abilock_t));
init_lock (lck);
return (void *) lck;
}
#endif
/*
=======================================================================
SINGLE THREAD
=======================================================================
*/
#ifndef USED
void MutexLock (mutex_t *m)
{
}
void MutexUnlock (mutex_t *m)
{
}
mutex_t *MutexAlloc(void)
{
return NULL;
}
#endif