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Diffstat (limited to 'WebCore/platform/mac/ThreadCheck.mm')
-rw-r--r-- | WebCore/platform/mac/ThreadCheck.mm | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/WebCore/platform/mac/ThreadCheck.mm b/WebCore/platform/mac/ThreadCheck.mm deleted file mode 100644 index 4792191..0000000 --- a/WebCore/platform/mac/ThreadCheck.mm +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Copyright (C) 2007 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. - * - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR - * 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 "ThreadCheck.h" - -#import <wtf/HashSet.h> -#import <wtf/StdLibExtras.h> -#include <wtf/text/StringHash.h> - -namespace WebCore { - -static bool didReadThreadViolationBehaviorFromUserDefaults = false; -static bool threadViolationBehaviorIsDefault = true; -static ThreadViolationBehavior threadViolationBehavior[MaximumThreadViolationRound] = { RaiseExceptionOnThreadViolation, RaiseExceptionOnThreadViolation }; - -static void readThreadViolationBehaviorFromUserDefaults() -{ - didReadThreadViolationBehaviorFromUserDefaults = true; - - ThreadViolationBehavior newBehavior = LogOnFirstThreadViolation; - NSString *threadCheckLevel = [[NSUserDefaults standardUserDefaults] stringForKey:@"WebCoreThreadCheck"]; - if (!threadCheckLevel) - return; - - if ([threadCheckLevel isEqualToString:@"None"]) - newBehavior = NoThreadCheck; - else if ([threadCheckLevel isEqualToString:@"Exception"]) - newBehavior = RaiseExceptionOnThreadViolation; - else if ([threadCheckLevel isEqualToString:@"Log"]) - newBehavior = LogOnThreadViolation; - else if ([threadCheckLevel isEqualToString:@"LogOnce"]) - newBehavior = LogOnFirstThreadViolation; - else - ASSERT_NOT_REACHED(); - - threadViolationBehaviorIsDefault = false; - - for (unsigned i = 0; i < MaximumThreadViolationRound; ++i) - threadViolationBehavior[i] = newBehavior; -} - -void setDefaultThreadViolationBehavior(ThreadViolationBehavior behavior, ThreadViolationRound round) -{ - ASSERT(round < MaximumThreadViolationRound); - if (round >= MaximumThreadViolationRound) - return; - if (!didReadThreadViolationBehaviorFromUserDefaults) - readThreadViolationBehaviorFromUserDefaults(); - if (threadViolationBehaviorIsDefault) - threadViolationBehavior[round] = behavior; -} - -void reportThreadViolation(const char* function, ThreadViolationRound round) -{ - ASSERT(round < MaximumThreadViolationRound); - if (round >= MaximumThreadViolationRound) - return; - if (!didReadThreadViolationBehaviorFromUserDefaults) - readThreadViolationBehaviorFromUserDefaults(); - if (threadViolationBehavior[round] == NoThreadCheck) - return; - if (pthread_main_np()) - return; - WebCoreReportThreadViolation(function, round); -} - -} // namespace WebCore - -// Split out the actual reporting of the thread violation to make it easier to set a breakpoint -void WebCoreReportThreadViolation(const char* function, WebCore::ThreadViolationRound round) -{ - using namespace WebCore; - - ASSERT(round < MaximumThreadViolationRound); - if (round >= MaximumThreadViolationRound) - return; - - DEFINE_STATIC_LOCAL(HashSet<String>, loggedFunctions, ()); - switch (threadViolationBehavior[round]) { - case NoThreadCheck: - break; - case LogOnFirstThreadViolation: - if (loggedFunctions.add(function).second) { - NSLog(@"WebKit Threading Violation - %s called from secondary thread", function); - NSLog(@"Additional threading violations for this function will not be logged."); - } - break; - case LogOnThreadViolation: - NSLog(@"WebKit Threading Violation - %s called from secondary thread", function); - break; - case RaiseExceptionOnThreadViolation: - [NSException raise:@"WebKitThreadingException" format:@"%s was called from a secondary thread", function]; - break; - } -} |