common/Synchronous.cpp

   1 /*
   2  * Copyright (c) 2012, 2013 Samsung Electronics Co., Ltd.
   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 /* standard library header */
  18 #include <stdio.h>
  19 #include <sys/time.h>
  20
  21 /* SLP library header */
  22
  23 /* local header */
  24 #include "Synchronous.h"
  25
  26 namespace smartcard_service_api
  27 {
  28         Synchronous::Synchronous()
  29         {
  30                 pthread_mutex_init(&syncMutex, NULL);
  31                 pthread_cond_init(&syncCondition, NULL);
  32         }
  33
  34         void Synchronous::syncLock()
  35         {
  36                 pthread_mutex_lock(&syncMutex);
  37         }
  38
  39         void Synchronous::syncUnlock()
  40         {
  41                 pthread_mutex_unlock(&syncMutex);
  42         }
  43
  44         int Synchronous::waitTimedCondition(int second)
  45         {
  46                 struct timeval now;
  47                 struct timespec ts;
  48                 int result;
  49
  50                 if (second > 0) {
  51                         gettimeofday(&now, NULL);
  52                         ts.tv_sec = now.tv_sec + second;
  53                         ts.tv_nsec = now.tv_usec * 1000;
  54
  55                         result = pthread_cond_timedwait(&syncCondition, &syncMutex, &ts);
  56                 } else {
  57                         result = pthread_cond_wait(&syncCondition, &syncMutex);
  58                 }
  59
  60                 return result;
  61         }
  62
  63         void Synchronous::signalCondition()
  64         {
  65                 pthread_cond_signal(&syncCondition);
  66         }
  67
  68 } /* namespace smartcard_service_api */