JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / wtf / mac / MainThreadMac.mm

diff --git a/wtf/mac/MainThreadMac.mm b/wtf/mac/MainThreadMac.mm
deleted file mode 100644 (file)
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--- a/wtf/mac/MainThreadMac.mm
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-/*
- * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
- *
- * 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.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS CONTRIBUTORS 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.
- */
- 
-#import "config.h"
-#import "MainThread.h"
-
-#import <CoreFoundation/CoreFoundation.h>
-#import <Foundation/NSThread.h>
-#import <stdio.h>
-#import <wtf/Assertions.h>
-#import <wtf/Threading.h>
-
-@interface WTFMainThreadCaller : NSObject {
-}
-- (void)call;
-@end
-
-@implementation WTFMainThreadCaller
-
-- (void)call
-{
-    WTF::dispatchFunctionsFromMainThread();
-}
-
-@end // implementation WTFMainThreadCaller
-
-namespace WTF {
-
-static WTFMainThreadCaller* staticMainThreadCaller;
-static bool isTimerPosted; // This is only accessed on the 'main' thread.
-static bool mainThreadEstablishedAsPthreadMain;
-static pthread_t mainThreadPthread;
-static NSThread* mainThreadNSThread;
-
-void initializeMainThreadPlatform()
-{
-    ASSERT(!staticMainThreadCaller);
-    staticMainThreadCaller = [[WTFMainThreadCaller alloc] init];
-
-    mainThreadEstablishedAsPthreadMain = false;
-    mainThreadPthread = pthread_self();
-    mainThreadNSThread = [[NSThread currentThread] retain];
-}
-
-void initializeMainThreadToProcessMainThreadPlatform()
-{
-    if (!pthread_main_np())
-        NSLog(@"WebKit Threading Violation - initial use of WebKit from a secondary thread.");
-
-    ASSERT(!staticMainThreadCaller);
-    staticMainThreadCaller = [[WTFMainThreadCaller alloc] init];
-
-    mainThreadEstablishedAsPthreadMain = true;
-    mainThreadPthread = 0;
-    mainThreadNSThread = nil;
-}
-
-static void timerFired(CFRunLoopTimerRef timer, void*)
-{
-    CFRelease(timer);
-    isTimerPosted = false;
-    WTF::dispatchFunctionsFromMainThread();
-}
-
-static void postTimer()
-{
-    ASSERT(isMainThread());
-
-    if (isTimerPosted)
-        return;
-
-    isTimerPosted = true;
-    CFRunLoopAddTimer(CFRunLoopGetCurrent(), CFRunLoopTimerCreate(0, 0, 0, 0, 0, timerFired, 0), kCFRunLoopCommonModes);
-}
-
-void scheduleDispatchFunctionsOnMainThread()
-{
-    ASSERT(staticMainThreadCaller);
-
-    if (isMainThread()) {
-        postTimer();
-        return;
-    }
-
-    if (mainThreadEstablishedAsPthreadMain) {
-        ASSERT(!mainThreadNSThread);
-        [staticMainThreadCaller performSelectorOnMainThread:@selector(call) withObject:nil waitUntilDone:NO];
-        return;
-    }
-
-    ASSERT(mainThreadNSThread);
-    [staticMainThreadCaller performSelector:@selector(call) onThread:mainThreadNSThread withObject:nil waitUntilDone:NO];
-}
-
-bool isMainThread()
-{
-    if (mainThreadEstablishedAsPthreadMain) {
-        ASSERT(!mainThreadPthread);
-        return pthread_main_np();
-    }
-
-    ASSERT(mainThreadPthread);
-    return pthread_equal(pthread_self(), mainThreadPthread);
-}
-
-// This function is the same as isMainThread() above except that it does not do
-// a ASSERT(mainThreadPthread). This should only be used by code that can get
-// invoked when the WebThread hasn't been started. See <rdar://8502487>.
-bool isWebThread()
-{
-    ASSERT(!mainThreadEstablishedAsPthreadMain);
-    return pthread_equal(pthread_self(), mainThreadPthread);
-}
-
-} // namespace WTF