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Diffstat (limited to 'posix/JackPosixSemaphore.h')
-rw-r--r-- | posix/JackPosixSemaphore.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/posix/JackPosixSemaphore.h b/posix/JackPosixSemaphore.h new file mode 100644 index 00000000..8b97691d --- /dev/null +++ b/posix/JackPosixSemaphore.h @@ -0,0 +1,69 @@ +/* +Copyright (C) 2004-2008 Grame + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ + +#ifndef __JackPosixSemaphore__ +#define __JackPosixSemaphore__ + +#include "JackSynchro.h" +#include "JackCompilerDeps.h" +#include <semaphore.h> +#include <time.h> +#include <assert.h> + +namespace Jack +{ + +/*! +\brief Inter process synchronization using POSIX semaphore. +*/ + +class EXPORT JackPosixSemaphore : public detail::JackSynchro +{ + + private: + + sem_t* fSemaphore; + + protected: + + void BuildName(const char* name, const char* server_name, char* res); + + public: + + JackPosixSemaphore(): fSemaphore(NULL) + {} + + bool Signal(); + bool SignalAll(); + bool Wait(); + bool TimedWait(long usec); + + bool Allocate(const char* name, const char* server_name, int value); + bool Connect(const char* name, const char* server_name); + bool ConnectInput(const char* name, const char* server_name); + bool ConnectOutput(const char* name, const char* server_name); + bool Disconnect(); + void Destroy(); +}; + +} // end of namespace + + +#endif + |