Home | History | Annotate | Download | only in malloc_debug 
      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 extern DebugData* g_debug;
     36 pthread_key_t g_disable_key;
     37 
     38 bool DebugCallsDisabled() {
     39   if (g_debug == nullptr || pthread_getspecific(g_disable_key) != nullptr) {
     40     return true;
     41   }
     42   return false;
     43 }
     44 
     45 bool DebugDisableInitialize() {
     46   int error = pthread_key_create(&g_disable_key, nullptr);
     47   if (error != 0) {
     48     error_log("pthread_key_create failed: %s", strerror(error));
     49     return false;
     50   }
     51   pthread_setspecific(g_disable_key, nullptr);
     52 
     53   return true;
     54 }
     55 
     56 void DebugDisableFinalize() {
     57   pthread_key_delete(g_disable_key);
     58 }
     59 
     60 void DebugDisableSet(bool disable) {
     61   if (disable) {
     62     pthread_setspecific(g_disable_key, reinterpret_cast<void*>(1));
     63   } else {
     64     pthread_setspecific(g_disable_key, nullptr);
     65   }
     66 }
     67