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-rw-r--r--indra/llcommon/llthread.cpp15
-rw-r--r--indra/llcommon/llthread.h1
-rw-r--r--indra/llmessage/llbuffer.cpp90
-rw-r--r--indra/llmessage/llbuffer.h25
-rw-r--r--indra/llmessage/llbufferstream.cpp8
-rw-r--r--indra/llmessage/llcurl.cpp3
-rw-r--r--indra/llmessage/lliohttpserver.cpp4
-rw-r--r--indra/llmessage/lliosocket.cpp3
-rw-r--r--indra/llmessage/llpumpio.cpp1
9 files changed, 142 insertions, 8 deletions
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 4063cc730b..a6ad6b125c 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -337,11 +337,7 @@ LLMutex::~LLMutex()
void LLMutex::lock()
{
-#if LL_DARWIN
- if (mLockingThread == LLThread::currentID())
-#else
- if (mLockingThread == sThreadID)
-#endif
+ if(isSelfLocked())
{ //redundant lock
mCount++;
return;
@@ -398,6 +394,15 @@ bool LLMutex::isLocked()
}
}
+bool LLMutex::isSelfLocked()
+{
+#if LL_DARWIN
+ return mLockingThread == LLThread::currentID();
+#else
+ return mLockingThread == sThreadID;
+#endif
+}
+
U32 LLMutex::lockingThread() const
{
return mLockingThread;
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index f0e0de6173..b52e70ab2e 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -151,6 +151,7 @@ public:
void lock(); // blocks
void unlock();
bool isLocked(); // non-blocking, but does do a lock/unlock so not free
+ bool isSelfLocked(); //return true if locked in a same thread
U32 lockingThread() const; //get ID of locking thread
protected:
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;
diff --git a/indra/llmessage/llbuffer.h b/indra/llmessage/llbuffer.h
index 1c42b6fbc6..ccdb9fa7ee 100644
--- a/indra/llmessage/llbuffer.h
+++ b/indra/llmessage/llbuffer.h
@@ -39,6 +39,7 @@
#include <list>
#include <vector>
+class LLMutex;
/**
* @class LLChannelDescriptors
* @brief A way simple interface to accesss channels inside a buffer
@@ -564,6 +565,29 @@ public:
* @return Returns true on success.
*/
bool eraseSegment(const segment_iterator_t& iter);
+
+ /**
+ * @brief Lock the mutex if it exists
+ * This method locks mMutexp to make accessing LLBufferArray thread-safe
+ */
+ void lock();
+
+ /**
+ * @brief Unlock the mutex if it exists
+ */
+ void unlock();
+
+ /**
+ * @brief Return mMutexp
+ */
+ LLMutex* getMutex();
+
+ /**
+ * @brief Set LLBufferArray to be shared across threads or not
+ * This method is to create mMutexp if is threaded.
+ * @param threaded Indicates this LLBufferArray instance is shared across threads if true.
+ */
+ void setThreaded(bool threaded);
//@}
protected:
@@ -595,6 +619,7 @@ protected:
S32 mNextBaseChannel;
buffer_list_t mBuffers;
segment_list_t mSegments;
+ LLMutex* mMutexp;
};
#endif // LL_LLBUFFER_H
diff --git a/indra/llmessage/llbufferstream.cpp b/indra/llmessage/llbufferstream.cpp
index 6257983c43..8d8ad05ad5 100644
--- a/indra/llmessage/llbufferstream.cpp
+++ b/indra/llmessage/llbufferstream.cpp
@@ -31,6 +31,7 @@
#include "llbuffer.h"
#include "llmemtype.h"
+#include "llthread.h"
static const S32 DEFAULT_OUTPUT_SEGMENT_SIZE = 1024 * 4;
@@ -62,6 +63,7 @@ int LLBufferStreamBuf::underflow()
return EOF;
}
+ LLMutexLock lock(mBuffer->getMutex());
LLBufferArray::segment_iterator_t iter;
LLBufferArray::segment_iterator_t end = mBuffer->endSegment();
U8* last_pos = (U8*)gptr();
@@ -149,6 +151,7 @@ int LLBufferStreamBuf::overflow(int c)
// since we got here, we have a buffer, and we have a character to
// put on it.
LLBufferArray::segment_iterator_t it;
+ LLMutexLock lock(mBuffer->getMutex());
it = mBuffer->makeSegment(mChannels.out(), DEFAULT_OUTPUT_SEGMENT_SIZE);
if(it != mBuffer->endSegment())
{
@@ -210,6 +213,7 @@ int LLBufferStreamBuf::sync()
// *NOTE: I bet we could just --address if address is not NULL.
// Need to think about that.
+ LLMutexLock lock(mBuffer->getMutex());
address = mBuffer->seek(mChannels.out(), address, -1);
if(address)
{
@@ -273,6 +277,8 @@ streampos LLBufferStreamBuf::seekoff(
// NULL is fine
break;
}
+
+ LLMutexLock lock(mBuffer->getMutex());
address = mBuffer->seek(mChannels.in(), base_addr, off);
if(address)
{
@@ -304,6 +310,8 @@ streampos LLBufferStreamBuf::seekoff(
// NULL is fine
break;
}
+
+ LLMutexLock lock(mBuffer->getMutex());
address = mBuffer->seek(mChannels.out(), base_addr, off);
if(address)
{
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp
index 5edf0dc8c0..1ab82a273b 100644
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@@ -228,6 +228,8 @@ LLMutex* LLCurl::Easy::sHandleMutexp = NULL ;
//static
CURL* LLCurl::Easy::allocEasyHandle()
{
+ llassert(LLCurl::getCurlThread()) ;
+
CURL* ret = NULL;
LLMutexLock lock(sHandleMutexp) ;
@@ -489,6 +491,7 @@ void LLCurl::Easy::prepRequest(const std::string& url,
LLProxy::getInstance()->applyProxySettings(this);
mOutput.reset(new LLBufferArray);
+ mOutput->setThreaded(true);
setopt(CURLOPT_WRITEFUNCTION, (void*)&curlWriteCallback);
setopt(CURLOPT_WRITEDATA, (void*)this);
diff --git a/indra/llmessage/lliohttpserver.cpp b/indra/llmessage/lliohttpserver.cpp
index 73e8a69085..987f386aa3 100644
--- a/indra/llmessage/lliohttpserver.cpp
+++ b/indra/llmessage/lliohttpserver.cpp
@@ -818,6 +818,8 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
// Copy everything after mLast read to the out.
LLBufferArray::segment_iterator_t seg_iter;
+
+ buffer->lock();
seg_iter = buffer->splitAfter(mLastRead);
if(seg_iter != buffer->endSegment())
{
@@ -838,7 +840,7 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
}
#endif
}
-
+ buffer->unlock();
//
// *FIX: get rid of extra bytes off the end
//
diff --git a/indra/llmessage/lliosocket.cpp b/indra/llmessage/lliosocket.cpp
index 54ceab3422..d5b4d45821 100644
--- a/indra/llmessage/lliosocket.cpp
+++ b/indra/llmessage/lliosocket.cpp
@@ -445,6 +445,7 @@ LLIOPipe::EStatus LLIOSocketWriter::process_impl(
// efficient - not only because writev() is better, but also
// because we won't have to do as much work to find the start
// address.
+ buffer->lock();
LLBufferArray::segment_iterator_t it;
LLBufferArray::segment_iterator_t end = buffer->endSegment();
LLSegment segment;
@@ -524,6 +525,8 @@ LLIOPipe::EStatus LLIOSocketWriter::process_impl(
}
}
+ buffer->unlock();
+
PUMP_DEBUG;
if(done && eos)
{
diff --git a/indra/llmessage/llpumpio.cpp b/indra/llmessage/llpumpio.cpp
index 0ff300efd0..f3ef4f2684 100644
--- a/indra/llmessage/llpumpio.cpp
+++ b/indra/llmessage/llpumpio.cpp
@@ -207,6 +207,7 @@ bool LLPumpIO::addChain(const chain_t& chain, F32 timeout, bool has_curl_request
info.mHasCurlRequest = has_curl_request;
info.setTimeoutSeconds(timeout);
info.mData = LLIOPipe::buffer_ptr_t(new LLBufferArray);
+ info.mData->setThreaded(has_curl_request);
LLLinkInfo link;
#if LL_DEBUG_PIPE_TYPE_IN_PUMP
lldebugs << "LLPumpIO::addChain() " << chain[0] << " '"
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