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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      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 #ifndef CAM_COND_H
     18 #define CAM_COND_H
     19 
     20 #define PTHREAD_COND_INIT(cond) \
     21   ({                                   \
     22     int rc = 0;                       \
     23     pthread_condattr_t cond_attr;     \
     24     rc = pthread_condattr_init(&cond_attr);   \
     25     if (rc == 0) {                            \
     26       rc = pthread_condattr_setclock(&cond_attr, CLOCK_MONOTONIC);  \
     27       if (rc == 0) {                                 \
     28         rc = pthread_cond_init(cond, &cond_attr);  \
     29       } \
     30     } \
     31     rc; \
     32   })
     33 
     34 #endif // CAM_COND_H
     35