From 9e6a5d721193f181c39e58fe00073bece74b081a Mon Sep 17 00:00:00 2001 From: Xiaohong Bao Date: Fri, 20 Jan 2012 11:55:15 -0700 Subject: fix for SH-2823 and SH-2824: LLCurl crash inside LLBufferArray::countAfter() and LLBufferArray::copyIntoBuffers --- indra/llmessage/llbuffer.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'indra/llmessage/llbuffer.h') 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 #include +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 -- cgit v1.2.3