X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=common%2Fos_thread.hpp;h=9d6a9891524564803d844bfe923de13dfd8442c0;hb=23354536051650b7a8a713e824946d48a7734534;hp=b17563fa5428d2ac80a4b5d18adf916c6c69ac75;hpb=a9d7f8edfea904f8dc84f2ad472cd542437935f7;p=apitrace diff --git a/common/os_thread.hpp b/common/os_thread.hpp index b17563f..9d6a989 100644 --- a/common/os_thread.hpp +++ b/common/os_thread.hpp @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2011 Jose Fonseca + * Copyright 2011-2012 Jose Fonseca * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy @@ -42,7 +42,10 @@ namespace os { - class recursive_mutex + /** + * Base class for mutex and recursive_mutex. + */ + class _base_mutex { public: #ifdef _WIN32 @@ -51,19 +54,19 @@ namespace os { typedef pthread_mutex_t native_handle_type; #endif - recursive_mutex(void) { + _base_mutex(void) { #ifdef _WIN32 InitializeCriticalSection(&_native_handle); #else pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); - pthread_mutex_init(&_native_handle, NULL); + pthread_mutex_init(&_native_handle, &attr); pthread_mutexattr_destroy(&attr); #endif } - ~recursive_mutex() { + ~_base_mutex() { #ifdef _WIN32 DeleteCriticalSection(&_native_handle); #else @@ -89,11 +92,148 @@ namespace os { #endif } - private: + native_handle_type & native_handle() { + return _native_handle; + } + + protected: native_handle_type _native_handle; }; + /** + * Same interface as std::mutex. + */ + class mutex : public _base_mutex + { + public: + inline + mutex(void) { +#ifdef _WIN32 + InitializeCriticalSection(&_native_handle); +#else + pthread_mutex_init(&_native_handle, NULL); +#endif + } + }; + + + /** + * Same interface as std::recursive_mutex. + */ + class recursive_mutex : public _base_mutex + { + public: + inline + recursive_mutex(void) { +#ifdef _WIN32 + InitializeCriticalSection(&_native_handle); +#else + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + pthread_mutex_init(&_native_handle, &attr); + pthread_mutexattr_destroy(&attr); +#endif + } + }; + + + /** + * Same interface as std::unique_lock; + */ + template< class Mutex > + class unique_lock + { + public: + typedef Mutex mutex_type; + + inline explicit + unique_lock(mutex_type & mutex) : + _mutex(&mutex) + { + _mutex->lock(); + } + + inline + ~unique_lock() { + _mutex->unlock(); + } + + inline void + lock() { + _mutex->lock(); + } + + inline void + unlock() { + _mutex->unlock(); + } + + mutex_type * + mutex() const { + return _mutex; + } + + protected: + mutex_type *_mutex; + }; + + + /** + * Same interface as std::condition_variable + */ + class condition_variable + { + public: +#ifdef _WIN32 + /* FIXME */ +#else + typedef pthread_cond_t native_handle_type; +#endif + + condition_variable() { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_cond_init(&_native_handle, NULL); +#endif + } + + ~condition_variable() { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_cond_destroy(&_native_handle); +#endif + } + + inline void + signal(void) { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_cond_signal(&_native_handle); +#endif + } + + inline void + wait(unique_lock & lock) { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_cond_wait(&_native_handle, &lock.mutex()->native_handle()); +#endif + } + + protected: + native_handle_type _native_handle; + }; + + + /** + * Same interface as boost::thread_specific_ptr. + */ template class thread_specific_ptr { @@ -158,6 +298,40 @@ namespace os { } }; + + /** + * Same interface as std::thread + */ + class thread { + public: +#ifdef _WIN32 + /* FIXME */ +#else + typedef pthread_t native_handle_type; +#endif + + template< class Function, class Arg > + explicit thread( Function& f, Arg & arg ) { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_create(&_native_handle, NULL, f, arg); +#endif + } + + inline void + join() { +#ifdef _WIN32 + /* FIXME */ +#else + pthread_join(_native_handle, NULL); +#endif + } + + private: + native_handle_type _native_handle; + }; + } /* namespace os */ #endif /* _OS_THREAD_HPP_ */