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Diffstat (limited to 'src/semaphore.cc')
-rw-r--r-- | src/semaphore.cc | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/semaphore.cc b/src/semaphore.cc new file mode 100644 index 0000000..d43835a --- /dev/null +++ b/src/semaphore.cc @@ -0,0 +1,109 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * semaphore.cc + * + * Sat Oct 8 17:44:13 CEST 2005 + * Copyright 2005 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of Pracro. + * + * Pracro 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 2 of the License, or + * (at your option) any later version. + * + * Pracro 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 Pracro; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "semaphore.h" + +#include <hugin.hpp> + +#ifdef WIN32 +#include <windows.h> +#else +#include </usr/include/semaphore.h> +#endif + +struct semaphore_private_t { +#ifdef WIN32 + HANDLE semaphore; +#else + sem_t semaphore; +#endif +}; + +Semaphore::Semaphore() +{ + DEBUG(semaphore, "Create\n"); + + prv = new struct semaphore_private_t(); + +#ifdef WIN32 + prv->semaphore = CreateSemaphore(NULL, // default security attributes + 0, // initial count + 100000, // maximum count + NULL); // unnamed semaphore +#else + sem_init(&prv->semaphore, 0, 0); +#endif +} + +Semaphore::~Semaphore() +{ + DEBUG(semaphore, "Delete\n"); + +#ifdef WIN32 + CloseHandle(prv->semaphore); +#else + sem_destroy(&prv->semaphore); +#endif + + if(prv) delete prv; +} + +void Semaphore::post() +{ + DEBUG(semaphore, "Post\n"); + +#ifdef WIN32 + ReleaseSemaphore(prv->semaphore, 1, NULL); +#else + sem_post(&prv->semaphore); +#endif +} + +void Semaphore::wait() +{ + DEBUG(semaphore, "Wait\n"); + +#ifdef WIN32 + WaitForSingleObject(prv->semaphore, INFINITE); +#else + sem_wait(&prv->semaphore); +#endif +} + +#ifdef TEST_SEMAPHORE +//deps: +//cflags: -I.. $(PTHREAD_CFLAGS) +//libs: $(PTHREAD_LIBS) +#include <test.h> + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). +TEST_TRUE(false, "No tests yet!"); + +TEST_END; + +#endif/*TEST_SEMAPHORE*/ |