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Diffstat (limited to 'testnet/Condition.hpp')
-rw-r--r-- | testnet/Condition.hpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/testnet/Condition.hpp b/testnet/Condition.hpp new file mode 100644 index 00000000..3794ee60 --- /dev/null +++ b/testnet/Condition.hpp @@ -0,0 +1,142 @@ +/* + * ZeroTier One - Global Peer to Peer Ethernet + * Copyright (C) 2012-2014 ZeroTier Networks LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * -- + * + * ZeroTier may be used and distributed under the terms of the GPLv3, which + * are available at: http://www.gnu.org/licenses/gpl-3.0.html + * + * If you would like to embed ZeroTier into a commercial application or + * redistribute it in a modified binary form, please contact ZeroTier Networks + * LLC. Start here: http://www.zerotier.com/ + */ + +#ifndef ZT_CONDITION_HPP +#define ZT_CONDITION_HPP + +#include "../node/Constants.hpp" +#include "../node/NonCopyable.hpp" + +#ifdef __WINDOWS__ + +#include <Windows.h> +#include <stdlib.h> + +namespace ZeroTier { + +class Condition : NonCopyable +{ +public: + Condition() + throw() + { + _sem = CreateSemaphore(NULL,0,1,NULL); + } + + ~Condition() + { + CloseHandle(_sem); + } + + inline void wait() const + throw() + { + WaitForSingleObject(_sem,INFINITE); + } + + inline void wait(unsigned long ms) const + throw() + { + if (ms) + WaitForSingleObject(_sem,(DWORD)ms); + else WaitForSingleObject(_sem,INFINITE); + } + + inline void signal() const + throw() + { + ReleaseSemaphore(_sem,1,NULL); + } + +private: + HANDLE _sem; +}; + +} // namespace ZeroTier + +#else // !__WINDOWS__ + +#include <time.h> +#include <stdlib.h> +#include <pthread.h> + +#include "../node/Utils.hpp" + +namespace ZeroTier { + +class Condition : NonCopyable +{ +public: + Condition() + throw() + { + pthread_mutex_init(&_mh,(const pthread_mutexattr_t *)0); + pthread_cond_init(&_cond,(const pthread_condattr_t *)0); + } + + ~Condition() + { + pthread_cond_destroy(&_cond); + pthread_mutex_destroy(&_mh); + } + + inline void wait() const + throw() + { + pthread_mutex_lock(const_cast <pthread_mutex_t *>(&_mh)); + pthread_cond_wait(const_cast <pthread_cond_t *>(&_cond),const_cast <pthread_mutex_t *>(&_mh)); + pthread_mutex_unlock(const_cast <pthread_mutex_t *>(&_mh)); + } + + inline void wait(unsigned long ms) const + throw() + { + uint64_t when = Utils::now() + (uint64_t)ms; + struct timespec ts; + ts.tv_sec = (unsigned long)(when / 1000); + ts.tv_nsec = (unsigned long)(when % 1000) * 1000000; + pthread_mutex_lock(const_cast <pthread_mutex_t *>(&_mh)); + pthread_cond_timedwait(const_cast <pthread_cond_t *>(&_cond),const_cast <pthread_mutex_t *>(&_mh),&ts); + pthread_mutex_unlock(const_cast <pthread_mutex_t *>(&_mh)); + } + + inline void signal() const + throw() + { + pthread_cond_signal(const_cast <pthread_cond_t *>(&_cond)); + } + +private: + pthread_cond_t _cond; + pthread_mutex_t _mh; +}; + +} // namespace ZeroTier + +#endif // !__WINDOWS__ + +#endif |