1 /** @addtogroup MCD_MCDIMPL_DAEMON_SRV 2 * @{ 3 * @file 4 * 5 * Mutex implementation (pthread wrapper). 6 * 7 * <!-- Copyright Giesecke & Devrient GmbH 2009 - 2012 --> 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior 19 * written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #include "CMutex.h" 34 35 36 //------------------------------------------------------------------------------ 37 CMutex::CMutex( 38 void 39 ) 40 { 41 pthread_mutex_init(&m_mutex, NULL); 42 pthread_cond_init(&m_cond, NULL); 43 } 44 45 46 //------------------------------------------------------------------------------ 47 CMutex::~CMutex( 48 void 49 ) 50 { 51 pthread_mutex_destroy(&m_mutex); 52 pthread_cond_destroy(&m_cond); 53 } 54 55 56 //------------------------------------------------------------------------------ 57 int32_t CMutex::lock( 58 void 59 ) 60 { 61 return pthread_mutex_lock(&m_mutex); 62 } 63 64 65 //------------------------------------------------------------------------------ 66 int32_t CMutex::trylock( 67 void 68 ) 69 { 70 return pthread_mutex_trylock(&m_mutex); 71 } 72 73 74 //------------------------------------------------------------------------------ 75 int32_t CMutex::unlock( 76 void 77 ) 78 { 79 return pthread_mutex_unlock(&m_mutex); 80 } 81 82 /** @} */ 83
