diff options
Diffstat (limited to 'indra/llcommon/llthread.cpp')
-rw-r--r-- | indra/llcommon/llthread.cpp | 101 |
1 files changed, 89 insertions, 12 deletions
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp index cc661bab59..6374b5398b 100644 --- a/indra/llcommon/llthread.cpp +++ b/indra/llcommon/llthread.cpp @@ -62,10 +62,10 @@ #if LL_DARWIN // statically allocated thread local storage not supported in Darwin executable formats #elif LL_WINDOWS -U32 __declspec(thread) LLThread::sThreadIndex = 0; +U32 __declspec(thread) sThreadID = 0; #elif LL_LINUX -U32 __thread LLThread::sThreadID = 0; -#endif +U32 __thread sThreadID = 0; +#endif U32 LLThread::sIDIter = 0; @@ -79,6 +79,13 @@ LL_COMMON_API void assert_main_thread() } } +void LLThread::registerThreadID() +{ +#if !LL_DARWIN + sThreadID = ++sIDIter; +#endif +} + // // Handed to the APR thread creation function // @@ -89,7 +96,7 @@ void *APR_THREAD_FUNC LLThread::staticRun(apr_thread_t *apr_threadp, void *datap LLTrace::ThreadRecorder* thread_recorder = new LLTrace::SlaveThreadRecorder(); #if !LL_DARWIN - sThreadIndex = threadp->mID; + sThreadID = threadp->mID; #endif // Run the user supplied function @@ -126,7 +133,7 @@ LLThread::LLThread(const std::string& name, apr_pool_t *poolp) : apr_pool_create(&mAPRPoolp, NULL); // Create a subpool for this thread } mRunCondition = new LLCondition(mAPRPoolp); - + mDataLock = new LLMutex(mAPRPoolp); mLocalAPRFilePoolp = NULL ; } @@ -185,7 +192,10 @@ void LLThread::shutdown() } delete mRunCondition; - mRunCondition = 0; + mRunCondition = NULL; + + delete mDataLock; + mDataLock = NULL; if (mIsLocalPool && mAPRPoolp) { @@ -254,35 +264,43 @@ bool LLThread::runCondition(void) // Stop thread execution if requested until unpaused. void LLThread::checkPause() { - mRunCondition->lock(); + mDataLock->lock(); // This is in a while loop because the pthread API allows for spurious wakeups. while(shouldSleep()) { + mDataLock->unlock(); mRunCondition->wait(); // unlocks mRunCondition + mDataLock->lock(); // mRunCondition is locked when the thread wakes up } - mRunCondition->unlock(); + mDataLock->unlock(); } //============================================================================ void LLThread::setQuitting() { - mRunCondition->lock(); + mDataLock->lock(); if (mStatus == RUNNING) { mStatus = QUITTING; } - mRunCondition->unlock(); + mDataLock->unlock(); wake(); } // static U32 LLThread::currentID() { +#if LL_DARWIN + // statically allocated thread local storage not supported in Darwin executable formats return (U32)apr_os_thread_current(); +#else + return sThreadID; +#endif + } // static @@ -297,12 +315,12 @@ void LLThread::yield() void LLThread::wake() { - mRunCondition->lock(); + mDataLock->lock(); if(!shouldSleep()) { mRunCondition->signal(); } - mRunCondition->unlock(); + mDataLock->unlock(); } void LLThread::wakeLocked() @@ -313,3 +331,62 @@ void LLThread::wakeLocked() } } +//============================================================================ + +//---------------------------------------------------------------------------- + +//static +LLMutex* LLThreadSafeRefCount::sMutex = 0; + +//static +void LLThreadSafeRefCount::initThreadSafeRefCount() +{ + if (!sMutex) + { + sMutex = new LLMutex(0); + } +} + +//static +void LLThreadSafeRefCount::cleanupThreadSafeRefCount() +{ + delete sMutex; + sMutex = NULL; +} + + +//---------------------------------------------------------------------------- + +LLThreadSafeRefCount::LLThreadSafeRefCount() : + mRef(0) +{ +} + +LLThreadSafeRefCount::LLThreadSafeRefCount(const LLThreadSafeRefCount& src) +{ + if (sMutex) + { + sMutex->lock(); + } + mRef = 0; + if (sMutex) + { + sMutex->unlock(); + } +} + +LLThreadSafeRefCount::~LLThreadSafeRefCount() +{ + if (mRef != 0) + { + llerrs << "deleting non-zero reference" << llendl; + } +} + +//============================================================================ + +LLResponder::~LLResponder() +{ +} + +//============================================================================ |