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Diffstat (limited to 'branches/1.0/tinySAK/src/tsk_mutex.c')
| -rw-r--r-- | branches/1.0/tinySAK/src/tsk_mutex.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/branches/1.0/tinySAK/src/tsk_mutex.c b/branches/1.0/tinySAK/src/tsk_mutex.c deleted file mode 100644 index 6e417db..0000000 --- a/branches/1.0/tinySAK/src/tsk_mutex.c +++ /dev/null @@ -1,167 +0,0 @@ -/* -* Copyright (C) 2009-2010 Mamadou Diop. -* -* Contact: Mamadou Diop <diopmamadou(at)doubango.org> -* -* This file is part of Open Source Doubango Framework. -* -* DOUBANGO 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. -* -* DOUBANGO 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 DOUBANGO. -* -*/ - -/**@file tsk_mutex.c - * @brief Pthread/Windows Mutex utility functions. - * - * @author Mamadou Diop <diopmamadou(at)doubango.org> - * - * @date Created: Sat Nov 8 16:54:58 2009 mdiop - */ -#include "tsk_mutex.h" -#include "tsk_memory.h" -#include "tsk_debug.h" - -#if TSK_UNDER_WINDOWS -# include <windows.h> -# include "tsk_errno.h" - typedef HANDLE MUTEX_T; -# define MUTEX_S void -# define TSK_ERROR_NOT_OWNER ERROR_NOT_OWNER -#else -# include <pthread.h> -# define MUTEX_S pthread_mutex_t - typedef MUTEX_S* MUTEX_T; -# define TSK_ERROR_NOT_OWNER EPERM -#endif - -#if defined(__GNUC__) || defined(__SYMBIAN32__) -# include <errno.h> -#endif - -// FIXME: Momory leaks in mutex - -/**@defgroup tsk_mutex_group Pthread/Windows Mutex utility functions. -*/ - -/**@ingroup tsk_mutex_group -* Creates new recursive mutex handle. -* @retval New mutex handle. It is up to you free the returned handle using @ref tsk_mutex_destroy. -* @sa @ref tsk_mutex_destroy. -*/ -tsk_mutex_handle_t* tsk_mutex_create() -{ - MUTEX_T handle = tsk_null; - -#if TSK_UNDER_WINDOWS - handle = CreateMutex(NULL, FALSE, NULL); -#else - int ret; - pthread_mutexattr_t mta; - - if((ret = pthread_mutexattr_init(&mta))){ - TSK_DEBUG_ERROR("pthread_mutexattr_init failed with error code %d", ret); - return tsk_null; - } - if((ret = pthread_mutexattr_settype(&mta, PTHREAD_MUTEX_RECURSIVE))){ - TSK_DEBUG_ERROR("pthread_mutexattr_settype failed with error code %d", ret); - pthread_mutexattr_destroy(&mta); - return tsk_null; - } - - /* if we are here: all is ok */ - handle = tsk_calloc(1, sizeof(MUTEX_S)); - if(pthread_mutex_init((MUTEX_T)handle, &mta)){ - TSK_FREE(handle); - } - pthread_mutexattr_destroy(&mta); -#endif - - if(!handle){ - TSK_DEBUG_ERROR("Failed to create new mutex."); - } - return handle; -} - -/**@ingroup tsk_mutex_group -* Lock a mutex. You must use @ref tsk_mutex_unlock to unlock the mutex. -* @param handle The handle of the mutex to lock. -* @retval Zero if succeed and non-zero error code otherwise. -* @sa @ref tsk_mutex_unlock. -*/ -int tsk_mutex_lock(tsk_mutex_handle_t* handle) -{ - int ret = EINVAL; - if(handle) - { -#if TSK_UNDER_WINDOWS - if((ret = WaitForSingleObject((MUTEX_T)handle , INFINITE)) == WAIT_FAILED) -#else - if(ret = pthread_mutex_lock((MUTEX_T)handle)) -#endif - { - TSK_DEBUG_ERROR("Failed to lock the mutex: %d", ret); - } - } - return ret; -} - -/**@ingroup tsk_mutex_group -* Unlock a mutex previously locked using @ref tsk_mutex_lock. -* @param handle The handle of the mutex to unlock. -* @retval Zero if succeed and non-zero otherwise. -* @sa @ref tsk_mutex_lock. -*/ -int tsk_mutex_unlock(tsk_mutex_handle_t* handle) -{ - int ret = EINVAL; - if(handle) - { -#if TSK_UNDER_WINDOWS - if((ret = ReleaseMutex((MUTEX_T)handle) ? 0 : -1)){ - ret = GetLastError(); -#else - if(ret = pthread_mutex_unlock((MUTEX_T)handle)) - { -#endif - if(ret == TSK_ERROR_NOT_OWNER){ - TSK_DEBUG_WARN("The calling thread does not own the mutex: %d", ret); - } - else{ - TSK_DEBUG_ERROR("Failed to unlock the mutex: %d", ret); - } - } - } - return ret; -} - -/**@ingroup tsk_mutex_group -* Free/destroy a mutex. -* @param handle The mutex to free. -* @sa @ref tsk_mutex_create. -*/ -void tsk_mutex_destroy(tsk_mutex_handle_t** handle) -{ - if(handle && *handle){ -#if TSK_UNDER_WINDOWS - CloseHandle((MUTEX_T)*handle); - *handle = 0; -#else - pthread_mutex_destroy((MUTEX_T)*handle); - tsk_free(handle); -#endif - } - else{ - TSK_DEBUG_WARN("Cannot free an uninitialized mutex"); - } -} - |
