File indexing completed on 2024-05-12 15:43:24

 /*
  * This file is part of the KDE libraries
  * Copyright (C) 2005 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA
  *
  */
 
 #include "JSLock.h"
 
 #include "collector.h"
 
 namespace KJS
 {
 
 #if USE(MULTIPLE_THREADS)
 
 static pthread_once_t interpreterLockOnce = PTHREAD_ONCE_INIT;
 static pthread_mutex_t interpreterLock;
 static int interpreterLockCount = 0;
 
 static void initializeJSLock()
 {
     pthread_mutexattr_t attr;
 
     pthread_mutexattr_init(&attr);
     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
 
     pthread_mutex_init(&interpreterLock, &attr);
 }
 
 void JSLock::lock()
 {
     pthread_once(&interpreterLockOnce, initializeJSLock);
     pthread_mutex_lock(&interpreterLock);
     interpreterLockCount++;
     Collector::registerThread();
 }
 
 void JSLock::unlock()
 {
     interpreterLockCount--;
     pthread_mutex_unlock(&interpreterLock);
 }
 
 int JSLock::lockCount()
 {
     return interpreterLockCount;
 }
 
 #endif
 
 JSLock::DropAllLocks::DropAllLocks()
 {
     int lockCount = JSLock::lockCount();
     for (int i = 0; i < lockCount; i++) {
         JSLock::unlock();
     }
     m_lockCount = lockCount;
 }
 
 JSLock::DropAllLocks::~DropAllLocks()
 {
     int lockCount = m_lockCount;
     for (int i = 0; i < lockCount; i++) {
         JSLock::lock();
     }
 }
 
 }