X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/90e389f6ec12e60a62c362296ffcf314feb5b03d..80aca6d78d4ff5d514216fe96c44e2ee75c4e933:/projects/stargazer/eventloop.cpp?ds=sidebyside diff --git a/projects/stargazer/eventloop.cpp b/projects/stargazer/eventloop.cpp index 1d1a209d..ea175c41 100644 --- a/projects/stargazer/eventloop.cpp +++ b/projects/stargazer/eventloop.cpp @@ -1,109 +1,59 @@ -#include -#include - -#include "stg/locker.h" #include "stg/common.h" #include "eventloop.h" -EVENT_LOOP::EVENT_LOOP() - : ACTIONS_LIST() -{ -pthread_mutex_init(&_mutex, NULL); -pthread_cond_init(&_condition, NULL); -} +#include +#include +#include -EVENT_LOOP::~EVENT_LOOP() +EVENT_LOOP& EVENT_LOOP::instance() { -pthread_cond_destroy(&_condition); -pthread_mutex_destroy(&_mutex); + static EVENT_LOOP el; + return el; } bool EVENT_LOOP::Start() { -_running = true; -if (pthread_create(&_tid, NULL, Run, this)) - { - printfd(__FILE__, "EVENT_LOOP::Start - Failed to create thread: '%s'\n", strerror(errno)); - return true; - } +m_thread = std::jthread([this](auto token){ Run(std::move(token)); }); return false; } bool EVENT_LOOP::Stop() { -_running = false; +m_thread.request_stop(); // Wake up thread -pthread_cond_signal(&_condition); -// Wait until thread exit -pthread_join(_tid, NULL); +m_cond.notify_all(); +m_thread.join(); return false; } -void * EVENT_LOOP::Run(void * self) +void EVENT_LOOP::Run(std::stop_token token) { -EVENT_LOOP * ev = static_cast(self); -ev->Runner(); -return NULL; -} +sigset_t signalSet; +sigfillset(&signalSet); +pthread_sigmask(SIG_BLOCK, &signalSet, NULL); -void EVENT_LOOP::Runner() -{ -_stopped = false; printfd(__FILE__, "EVENT_LOOP::Runner - Before start\n"); -while (_running) +while (!token.stop_requested()) { + // Create new empty actions list + ACTIONS_LIST local; { - STG_LOCKER lock(&_mutex, __FILE__, __LINE__); + std::unique_lock lock(m_mutex); // Check for any actions... - if (empty()) - { - // ... and sleep until new actions added - printfd(__FILE__, "EVENT_LOOP::Runner - Sleeping until new actions arrived\n"); - pthread_cond_wait(&_condition, &_mutex); - } + // ... and sleep until new actions added + printfd(__FILE__, "EVENT_LOOP::Runner - Sleeping until new actions arrived\n"); + m_cond.wait(lock); // Check for running after wake up - if (!_running) - { - // Don't process any actions if stopping - break; - } + if (token.stop_requested()) + break; // Don't process any actions if stopping + if (!m_list.empty()) + local.swap(m_list); } - // Create new empty actions list - ACTIONS_LIST local; // Fast swap with current - swap(local); + m_list.swap(local); // Invoke all current actions printfd(__FILE__, "EVENT_LOOP::Runner - Invoke %d actions\n", local.size()); local.InvokeAll(); } printfd(__FILE__, "EVENT_LOOP::Runner - Before stop\n"); -_stopped = true; } - -namespace { - -pthread_mutex_t singletonMutex; - -} - -EVENT_LOOP & EVENT_LOOP_SINGLETON::GetInstance() -{ -// Double-checking technique -if (!_instance) - { - STG_LOCKER lock(&singletonMutex, __FILE__, __LINE__); - if (!_instance) - { - CreateInstance(); - } - } -return *_instance; -} - -void EVENT_LOOP_SINGLETON::CreateInstance() -{ -static EVENT_LOOP loop; -_instance = &loop; -} - -EVENT_LOOP * EVENT_LOOP_SINGLETON::_instance = NULL;