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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <pthread.h>
     30 
     31 #include "DebugData.h"
     32 #include "debug_disable.h"
     33 #include "debug_log.h"
     34 
     35 pthread_key_t g_disable_key;
     36 
     37 bool DebugCallsDisabled() {
     38   if (g_debug == nullptr || pthread_getspecific(g_disable_key) != nullptr) {
     39     return true;
     40   }
     41   return false;
     42 }
     43 
     44 bool DebugDisableInitialize() {
     45   int error = pthread_key_create(&g_disable_key, nullptr);
     46   if (error != 0) {
     47     error_log("pthread_key_create failed: %s", strerror(error));
     48     return false;
     49   }
     50   pthread_setspecific(g_disable_key, nullptr);
     51 
     52   return true;
     53 }
     54 
     55 void DebugDisableFinalize() {
     56   pthread_key_delete(g_disable_key);
     57 }
     58 
     59 void DebugDisableSet(bool disable) {
     60   if (disable) {
     61     pthread_setspecific(g_disable_key, reinterpret_cast<void*>(1));
     62   } else {
     63     pthread_setspecific(g_disable_key, nullptr);
     64   }
     65 }
     66