common/Synchronous.cpp

   1 /*
   2 * Copyright (c) 2012 Samsung Electronics Co., Ltd All Rights Reserved
   3 *
   4 * Licensed under the Apache License, Version 2.0 (the "License");
   5 * you may not use this file except in compliance with the License.
   6 * You may obtain a copy of the License at
   7 *
   8 * http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 * Unless required by applicable law or agreed to in writing, software
  11 * distributed under the License is distributed on an "AS IS" BASIS,
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 * See the License for the specific language governing permissions and
  14 * limitations under the License.
  15 */
  16
  17
  18 /* standard library header */
  19 #include <stdio.h>
  20 #include <sys/time.h>
  21
  22 /* SLP library header */
  23
  24 /* local header */
  25 #include "Synchronous.h"
  26
  27 namespace smartcard_service_api
  28 {
  29         Synchronous::Synchronous()
  30         {
  31                 pthread_mutex_init(&syncMutex, NULL);
  32                 pthread_cond_init(&syncCondition, NULL);
  33         }
  34
  35         void Synchronous::syncLock()
  36         {
  37                 pthread_mutex_lock(&syncMutex);
  38         }
  39
  40         void Synchronous::syncUnlock()
  41         {
  42                 pthread_mutex_unlock(&syncMutex);
  43         }
  44
  45         int Synchronous::waitTimedCondition(int second)
  46         {
  47                 struct timeval now;
  48                 struct timespec ts;
  49                 int result;
  50
  51                 if (second > 0)
  52                 {
  53                         gettimeofday(&now, NULL);
  54                         ts.tv_sec = now.tv_sec + second;
  55                         ts.tv_nsec = now.tv_usec * 1000;
  56
  57                         result = pthread_cond_timedwait(&syncCondition, &syncMutex, &ts);
  58                 }
  59                 else
  60                 {
  61                         result = pthread_cond_wait(&syncCondition, &syncMutex);
  62                 }
  63
  64                 return result;
  65         }
  66
  67         void Synchronous::signalCondition()
  68         {
  69                 pthread_cond_signal(&syncCondition);
  70         }
  71
  72 } /* namespace smartcard_service_api */