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Get rid of locks added InterlockedExchangeAdd function in thread.cpp 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@748 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee 2008-10-02 21:40:20 +00:00
parent 65f8c4bca1
commit 3d6d64c632
4 changed files with 19 additions and 6 deletions
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11
Source/Core/Common/Src/Thread.cpp
View File

@ -344,6 +344,17 @@ void Event::Wait()
is_set_ = false; is_set_ = false;
pthread_mutex_unlock(&mutex_); pthread_mutex_unlock(&mutex_);
} }
int InterlockedExchangeAdd( int* Addend, int Increment )
{
#if defined(__GNUC__) && defined (__GNUC_MINOR__) && ((4 < __GNUC__) || (4 == __GNUC__ && 1 <= __GNUC_MINOR__))
return __sync_add_and_fetch(Addend, Increment);
#else
// TODO support old gcc
#endif
}
#endif #endif

3
Source/Core/Common/Src/Thread.h
View File

@ -113,6 +113,9 @@ class Event
void SleepCurrentThread(int ms); void SleepCurrentThread(int ms);
void SetCurrentThreadName(const char* name); void SetCurrentThreadName(const char* name);
int InterlockedExchangeAdd( int* Addend, int Increment );
} // end of namespace Common } // end of namespace Common
#endif #endif

6
Source/Core/Core/Src/HW/CommandProcessor.cpp
View File

@ -378,10 +378,8 @@ void GatherPipeBursted()
Common::SleepCurrentThread(1); Common::SleepCurrentThread(1);
#ifdef _WIN32 #ifdef _WIN32
InterlockedExchangeAdd((LONG*)&fifo.CPReadWriteDistance, GPFifo::GATHER_PIPE_SIZE); InterlockedExchangeAdd((LONG*)&fifo.CPReadWriteDistance, GPFifo::GATHER_PIPE_SIZE);
#else #else
fifo.sync->Enter(); Common::InterlockedExchangeAdd((int*)&fifo.CPReadWriteDistance, GPFifo::GATHER_PIPE_SIZE);
fifo.CPReadWriteDistance += GPFifo::GATHER_PIPE_SIZE;
fifo.sync->Leave();
#endif #endif
// check if we are in sync // check if we are in sync

5
Source/Core/VideoCommon/Src/Fifo.cpp
View File

@ -217,12 +217,13 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
#endif #endif
_fifo.CPReadPointer += 32; _fifo.CPReadPointer += 32;
Video_SendFifoData(uData); Video_SendFifoData(uData);
#ifdef _WIN32 #ifdef _WIN32
InterlockedExchangeAdd((LONG*)&_fifo.CPReadWriteDistance, -32); InterlockedExchangeAdd((LONG*)&_fifo.CPReadWriteDistance, -32);
LeaveCriticalSection(&_fifo.sync); LeaveCriticalSection(&_fifo.sync);
#else #else
_fifo.CPReadWriteDistance -= 32; Common::InterlockedExchangeAdd((int*)&_fifo.CPReadWriteDistance, -32);
_fifo.sync->Leave(); _fifo.sync->Leave();
#endif #endif
// increase the ReadPtr // increase the ReadPtr
if (_fifo.CPReadPointer >= _fifo.CPEnd) if (_fifo.CPReadPointer >= _fifo.CPEnd)