diff options
Diffstat (limited to 'indra/llmessage/llbuffer.cpp')
| -rw-r--r-- | indra/llmessage/llbuffer.cpp | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/indra/llmessage/llbuffer.cpp b/indra/llmessage/llbuffer.cpp index 0316797f00..250cace6e9 100644 --- a/indra/llmessage/llbuffer.cpp +++ b/indra/llmessage/llbuffer.cpp @@ -32,6 +32,9 @@ #include "llmath.h" #include "llmemtype.h" #include "llstl.h" +#include "llthread.h" + +#define ASSERT_LLBUFFERARRAY_MUTEX_LOCKED llassert(!mMutexp || mMutexp->isSelfLocked()); /** * LLSegment @@ -224,7 +227,8 @@ void LLHeapBuffer::allocate(S32 size) * LLBufferArray */ LLBufferArray::LLBufferArray() : - mNextBaseChannel(0) + mNextBaseChannel(0), + mMutexp(NULL) { LLMemType m1(LLMemType::MTYPE_IO_BUFFER); } @@ -233,6 +237,8 @@ LLBufferArray::~LLBufferArray() { LLMemType m1(LLMemType::MTYPE_IO_BUFFER); std::for_each(mBuffers.begin(), mBuffers.end(), DeletePointer()); + + delete mMutexp; } // static @@ -243,14 +249,57 @@ LLChannelDescriptors LLBufferArray::makeChannelConsumer( return rv; } +void LLBufferArray::lock() +{ + if(mMutexp) + { + mMutexp->lock() ; + } +} + +void LLBufferArray::unlock() +{ + if(mMutexp) + { + mMutexp->unlock() ; + } +} + +LLMutex* LLBufferArray::getMutex() +{ + return mMutexp ; +} + +void LLBufferArray::setThreaded(bool threaded) +{ + if(threaded) + { + if(!mMutexp) + { + mMutexp = new LLMutex(NULL); + } + } + else + { + if(mMutexp) + { + delete mMutexp ; + mMutexp = NULL ; + } + } +} + LLChannelDescriptors LLBufferArray::nextChannel() { LLChannelDescriptors rv(mNextBaseChannel++); return rv; } +//mMutexp should be locked before calling this. S32 LLBufferArray::capacity() const { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED + S32 total = 0; const_buffer_iterator_t iter = mBuffers.begin(); const_buffer_iterator_t end = mBuffers.end(); @@ -263,6 +312,8 @@ S32 LLBufferArray::capacity() const bool LLBufferArray::append(S32 channel, const U8* src, S32 len) { + LLMutexLock lock(mMutexp) ; + LLMemType m1(LLMemType::MTYPE_IO_BUFFER); std::vector<LLSegment> segments; if(copyIntoBuffers(channel, src, len, segments)) @@ -273,8 +324,11 @@ bool LLBufferArray::append(S32 channel, const U8* src, S32 len) return false; } +//mMutexp should be locked before calling this. bool LLBufferArray::prepend(S32 channel, const U8* src, S32 len) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED + LLMemType m1(LLMemType::MTYPE_IO_BUFFER); std::vector<LLSegment> segments; if(copyIntoBuffers(channel, src, len, segments)) @@ -293,6 +347,8 @@ bool LLBufferArray::insertAfter( { LLMemType m1(LLMemType::MTYPE_IO_BUFFER); std::vector<LLSegment> segments; + + LLMutexLock lock(mMutexp) ; if(mSegments.end() != segment) { ++segment; @@ -305,8 +361,11 @@ bool LLBufferArray::insertAfter( return false; } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::splitAfter(U8* address) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED + LLMemType m1(LLMemType::MTYPE_IO_BUFFER); segment_iterator_t end = mSegments.end(); segment_iterator_t it = getSegment(address); @@ -335,20 +394,26 @@ LLBufferArray::segment_iterator_t LLBufferArray::splitAfter(U8* address) return rv; } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::beginSegment() { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED return mSegments.begin(); } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::endSegment() { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED return mSegments.end(); } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::constructSegmentAfter( U8* address, LLSegment& segment) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED LLMemType m1(LLMemType::MTYPE_IO_BUFFER); segment_iterator_t rv = mSegments.begin(); segment_iterator_t end = mSegments.end(); @@ -395,8 +460,10 @@ LLBufferArray::segment_iterator_t LLBufferArray::constructSegmentAfter( return rv; } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::getSegment(U8* address) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED segment_iterator_t end = mSegments.end(); if(!address) { @@ -414,9 +481,11 @@ LLBufferArray::segment_iterator_t LLBufferArray::getSegment(U8* address) return end; } +//mMutexp should be locked before calling this. LLBufferArray::const_segment_iterator_t LLBufferArray::getSegment( U8* address) const { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED const_segment_iterator_t end = mSegments.end(); if(!address) { @@ -466,6 +535,8 @@ S32 LLBufferArray::countAfter(S32 channel, U8* start) const S32 count = 0; S32 offset = 0; const_segment_iterator_t it; + + LLMutexLock lock(mMutexp) ; const_segment_iterator_t end = mSegments.end(); if(start) { @@ -517,6 +588,8 @@ U8* LLBufferArray::readAfter( len = 0; S32 bytes_to_copy = 0; const_segment_iterator_t it; + + LLMutexLock lock(mMutexp) ; const_segment_iterator_t end = mSegments.end(); if(start) { @@ -568,6 +641,7 @@ U8* LLBufferArray::seek( U8* start, S32 delta) const { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED LLMemType m1(LLMemType::MTYPE_IO_BUFFER); const_segment_iterator_t it; const_segment_iterator_t end = mSegments.end(); @@ -709,9 +783,14 @@ U8* LLBufferArray::seek( return rv; } +//test use only bool LLBufferArray::takeContents(LLBufferArray& source) { LLMemType m1(LLMemType::MTYPE_IO_BUFFER); + + LLMutexLock lock(mMutexp); + source.lock(); + std::copy( source.mBuffers.begin(), source.mBuffers.end(), @@ -723,13 +802,17 @@ bool LLBufferArray::takeContents(LLBufferArray& source) std::back_insert_iterator<segment_list_t>(mSegments)); source.mSegments.clear(); source.mNextBaseChannel = 0; + source.unlock(); + return true; } +//mMutexp should be locked before calling this. LLBufferArray::segment_iterator_t LLBufferArray::makeSegment( S32 channel, S32 len) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED LLMemType m1(LLMemType::MTYPE_IO_BUFFER); // start at the end of the buffers, because it is the most likely // to have free space. @@ -765,8 +848,10 @@ LLBufferArray::segment_iterator_t LLBufferArray::makeSegment( return send; } +//mMutexp should be locked before calling this. bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED LLMemType m1(LLMemType::MTYPE_IO_BUFFER); // Find out which buffer contains the segment, and if it is found, @@ -792,13 +877,14 @@ bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter) return rv; } - +//mMutexp should be locked before calling this. bool LLBufferArray::copyIntoBuffers( S32 channel, const U8* src, S32 len, std::vector<LLSegment>& segments) { + ASSERT_LLBUFFERARRAY_MUTEX_LOCKED LLMemType m1(LLMemType::MTYPE_IO_BUFFER); if(!src || !len) return false; S32 copied = 0; |