From 109ffe9a777658936a38d0c146579a67c60a0d17 Mon Sep 17 00:00:00 2001 From: xuxiuxi <xuxiuxi@454eff88-639b-444f-9e54-f578c98de674> Date: 星期四, 11 五月 2017 17:48:48 +0800 Subject: [PATCH] --- RtspFace/PipeLinePool.cpp | 54 ++++++++++++++++++++++++++++++++++-------------------- 1 files changed, 34 insertions(+), 20 deletions(-) diff --git a/RtspFace/PipeLinePool.cpp b/RtspFace/PipeLinePool.cpp index 3b01327..d003a48 100644 --- a/RtspFace/PipeLinePool.cpp +++ b/RtspFace/PipeLinePool.cpp @@ -6,7 +6,7 @@ int ret = pthread_mutex_lock((pthread_mutex_t*)mut); \ if(ret != 0) \ { \ - LOG_ERROR << "pthread_mutex_lock " << #mut << ": " << ret; \ + LOG_ERROR << "pthread_mutex_lock " << #mut << ": " << ret << std::endl; \ return _ret; \ } \ } @@ -15,10 +15,23 @@ int ret = pthread_mutex_unlock((pthread_mutex_t*)mut); \ if(ret != 0) \ { \ - LOG_ERROR << "pthread_mutex_unlock " << #mut << ": " << ret; \ + LOG_ERROR << "pthread_mutex_unlock " << #mut << ": " << ret << std::endl; \ return _ret; \ } \ } + +struct MutexLocker +{ + pthread_mutex_t* mut; + MutexLocker(void* _mut) : mut((pthread_mutex_t*)_mut) + { + PLP_MUTEX_LOCK(mut,); + } + ~MutexLocker() + { + PLP_MUTEX_UNLOCK(mut,); + } +}; PipeLinePool::PipeLinePool(bool _multithread_safe) : multithread_safe(_multithread_safe), tsafe_mutex(nullptr), pl_mutex(nullptr), @@ -32,6 +45,7 @@ pl_mutex = new pthread_mutex_t; pthread_mutex_init((pthread_mutex_t*)pl_mutex, NULL); + // in ctor pool is empty PLP_MUTEX_LOCK(pl_mutex,); } } @@ -64,35 +78,26 @@ if (pl == nullptr) return; - PLP_MUTEX_LOCK(tsafe_mutex,); + MutexLocker _ml(tsafe_mutex); if (pipelines.find(pl) != pipelines.end()) return; pipelines.insert(pl); pipelines_free.insert(pl); - - PLP_MUTEX_UNLOCK(tsafe_mutex,); } void PipeLinePool::unmanage(PipeLine* pl) { - PLP_MUTEX_LOCK(tsafe_mutex,); + MutexLocker _ml(tsafe_mutex); pipelines.erase(pl); pipelines_free.erase(pl); - - PLP_MUTEX_UNLOCK(tsafe_mutex,); } PipeLine* PipeLinePool::get_free() { - if (pipelines_free.empty()) - { - PLP_MUTEX_LOCK(pl_mutex, nullptr); - } - - PLP_MUTEX_LOCK(tsafe_mutex, nullptr); + MutexLocker _ml(tsafe_mutex); if (pipelines_free.empty()) return nullptr; @@ -101,23 +106,32 @@ PipeLine* pl = *iter; pipelines_free.erase(iter); - PLP_MUTEX_UNLOCK(tsafe_mutex, nullptr); - return pl; } void PipeLinePool::release(PipeLine* pl) { + MutexLocker _ml(tsafe_mutex); + if (pipelines.find(pl) == pipelines.end()) return; if (pipelines_free.find(pl) != pipelines.end()) return; - PLP_MUTEX_LOCK(tsafe_mutex,); - pipelines_free.insert(pl); +} - PLP_MUTEX_UNLOCK(tsafe_mutex,); +bool PipeLinePool::wait_free() +{ + if (pipelines_free.empty()) + { + PLP_MUTEX_LOCK(pl_mutex, false); + } - PLP_MUTEX_UNLOCK(pl_mutex,); + return true; +} + +bool PipeLinePool::notify_free() +{ + PLP_MUTEX_UNLOCK(pl_mutex, false); } -- Gitblit v1.8.0