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replicate the remove-all-trailing whitespace commit(s) in master
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Paul Davis
parent
589f2a1ab8
commit
bc487bb4b0
235 changed files with 5833 additions and 5840 deletions
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@ -2,14 +2,14 @@
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File: CAMutex.cpp
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Abstract: CAMutex.h
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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@ -25,13 +25,13 @@
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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@ -40,9 +40,9 @@
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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//==================================================================================================
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// Includes
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@ -83,14 +83,14 @@ CAMutex::CAMutex(const char* inName)
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#if TARGET_OS_MAC
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OSStatus theError = pthread_mutex_init(&mMutex, NULL);
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ThrowIf(theError != 0, CAException(theError), "CAMutex::CAMutex: Could not init the mutex");
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::CAMutex: creating %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
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#endif
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#elif TARGET_OS_WIN32
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mMutex = CreateMutex(NULL, false, NULL);
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ThrowIfNULL(mMutex, CAException(GetLastError()), "CAMutex::CAMutex: could not create the mutex.");
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::CAMutex: creating %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
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#endif
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@ -118,7 +118,7 @@ CAMutex::~CAMutex()
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bool CAMutex::Lock()
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{
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bool theAnswer = false;
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#if TARGET_OS_MAC
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pthread_t theCurrentThread = pthread_self();
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if(!pthread_equal(theCurrentThread, mOwner))
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@ -126,22 +126,22 @@ bool CAMutex::Lock()
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Lock: thread %p is locking %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
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#endif
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#if Log_LongLatencies
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UInt64 lockTryTime = CAHostTimeBase::GetCurrentTimeInNanos();
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#endif
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OSStatus theError = pthread_mutex_lock(&mMutex);
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ThrowIf(theError != 0, CAException(theError), "CAMutex::Lock: Could not lock the mutex");
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mOwner = theCurrentThread;
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theAnswer = true;
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#if Log_LongLatencies
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UInt64 lockAcquireTime = CAHostTimeBase::GetCurrentTimeInNanos();
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if (lockAcquireTime - lockTryTime >= LongLatencyThresholdNS)
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DebugPrintfRtn(DebugPrintfFileComma "Thread %p took %.6fs to acquire the lock %s\n", theCurrentThread, (lockAcquireTime - lockTryTime) * 1.0e-9 /* nanos to seconds */, mName);
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#endif
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Lock: thread %p has locked %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), pthread_self(), mName, mOwner);
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#endif
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@ -157,7 +157,7 @@ bool CAMutex::Lock()
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ThrowIfError(theError, CAException(theError), "CAMutex::Lock: could not lock the mutex");
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mOwner = GetCurrentThreadId();
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theAnswer = true;
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Lock: thread %lu has locked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
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#endif
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@ -179,7 +179,7 @@ void CAMutex::Unlock()
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mOwner = 0;
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OSStatus theError = pthread_mutex_unlock(&mMutex);
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ThrowIf(theError != 0, CAException(theError), "CAMutex::Unlock: Could not unlock the mutex");
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Unlock: thread %p has unlocked %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), pthread_self(), mName, mOwner);
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#endif
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@ -198,7 +198,7 @@ void CAMutex::Unlock()
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mOwner = 0;
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bool wasReleased = ReleaseMutex(mMutex);
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ThrowIf(!wasReleased, CAException(GetLastError()), "CAMutex::Unlock: Could not unlock the mutex");
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Unlock: thread %lu has unlocked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
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#endif
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@ -232,7 +232,7 @@ bool CAMutex::Try(bool& outWasLocked)
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mOwner = theCurrentThread;
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theAnswer = true;
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outWasLocked = true;
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Try: thread %p has locked %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
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#endif
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@ -242,7 +242,7 @@ bool CAMutex::Try(bool& outWasLocked)
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// return value of EBUSY means that the lock was already locked by another thread
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theAnswer = false;
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outWasLocked = false;
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Try: thread %p failed to lock %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
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#endif
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@ -266,7 +266,7 @@ bool CAMutex::Try(bool& outWasLocked)
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu is try-locking %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
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#endif
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// try to acquire the mutex
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OSStatus theError = WaitForSingleObject(mMutex, 0);
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if(theError == WAIT_OBJECT_0)
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@ -275,7 +275,7 @@ bool CAMutex::Try(bool& outWasLocked)
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mOwner = GetCurrentThreadId();
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theAnswer = true;
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outWasLocked = true;
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu has locked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
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#endif
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@ -285,7 +285,7 @@ bool CAMutex::Try(bool& outWasLocked)
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// this means that the lock was already locked by another thread
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theAnswer = false;
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outWasLocked = false;
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#if Log_Ownership
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DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu failed to lock %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
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#endif
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@ -303,7 +303,7 @@ bool CAMutex::Try(bool& outWasLocked)
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outWasLocked = false;
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}
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#endif
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return theAnswer;
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}
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@ -315,7 +315,7 @@ bool CAMutex::IsFree() const
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bool CAMutex::IsOwnedByCurrentThread() const
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{
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bool theAnswer = true;
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#if TARGET_OS_MAC
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theAnswer = pthread_equal(pthread_self(), mOwner);
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#elif TARGET_OS_WIN32
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