wtf/ThreadingNone.cpp

   1 /*
   2  * Copyright (C) 2007 Apple Inc. All rights reserved.
   3  * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1.  Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  * 2.  Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  15  *     its contributors may be used to endorse or promote products derived
  16  *     from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "config.h"
  31 #include "Threading.h"
  32
  33 #if ENABLE(SINGLE_THREADED)
  34
  35 namespace WTF {
  36
  37 void initializeThreading() { }
  38 ThreadIdentifier createThreadInternal(ThreadFunction, void*, const char*) { return ThreadIdentifier(); }
  39 void initializeCurrentThreadInternal(const char*) { }
  40 int waitForThreadCompletion(ThreadIdentifier, void**) { return 0; }
  41 void detachThread(ThreadIdentifier) { }
  42 ThreadIdentifier currentThread() { return ThreadIdentifier(); }
  43 bool isMainThread() { return true; }
  44
  45 Mutex::Mutex() { }
  46 Mutex::~Mutex() { }
  47 void Mutex::lock() { }
  48 bool Mutex::tryLock() { return false; }
  49 void Mutex::unlock() { }
  50
  51 ThreadCondition::ThreadCondition() { }
  52 ThreadCondition::~ThreadCondition() { }
  53 void ThreadCondition::wait(Mutex&) { }
  54 bool ThreadCondition::timedWait(Mutex&, double) { return false; }
  55 void ThreadCondition::signal() { }
  56 void ThreadCondition::broadcast() { }
  57
  58 void lockAtomicallyInitializedStaticMutex() { }
  59 void unlockAtomicallyInitializedStaticMutex() { }
  60
  61 } // namespace WebCore
  62
  63 #endif