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