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Diffstat (limited to 'src/threading/event.cpp')
-rw-r--r-- | src/threading/event.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/threading/event.cpp b/src/threading/event.cpp new file mode 100644 index 000000000..165f9d83f --- /dev/null +++ b/src/threading/event.cpp @@ -0,0 +1,89 @@ +/* +This file is a part of the JThread package, which contains some object- +oriented thread wrappers for different thread implementations. + +Copyright (c) 2000-2006 Jori Liesenborgs (jori.liesenborgs@gmail.com) + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. +*/ + +#include "threading/event.h" + +Event::Event() +{ +#if __cplusplus < 201103L +# ifdef _WIN32 + event = CreateEvent(NULL, false, false, NULL); +# else + pthread_cond_init(&cv, NULL); + pthread_mutex_init(&mutex, NULL); + notified = false; +# endif +#endif +} + +#if __cplusplus < 201103L +Event::~Event() +{ +#ifdef _WIN32 + CloseHandle(event); +#else + pthread_cond_destroy(&cv); + pthread_mutex_destroy(&mutex); +#endif +} +#endif + + +void Event::wait() +{ +#if __cplusplus >= 201103L + MutexAutoLock lock(mutex); + while (!notified) { + cv.wait(lock); + } + notified = false; +#elif defined(_WIN32) + WaitForSingleObject(event, INFINITE); +#else + pthread_mutex_lock(&mutex); + while (!notified) { + pthread_cond_wait(&cv, &mutex); + } + notified = false; + pthread_mutex_unlock(&mutex); +#endif +} + + +void Event::signal() +{ +#if __cplusplus >= 201103L + MutexAutoLock lock(mutex); + notified = true; + cv.notify_one(); +#elif defined(_WIN32) + SetEvent(event); +#else + pthread_mutex_lock(&mutex); + notified = true; + pthread_cond_signal(&cv); + pthread_mutex_unlock(&mutex); +#endif +} |