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      1 /*
      2  * Copyright (C) 2014 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 #ifndef MALLOC_DEBUG_DISABLE_H
     30 #define MALLOC_DEBUG_DISABLE_H
     31 
     32 #include <sys/cdefs.h>
     33 
     34 #include <private/bionic_macros.h>
     35 
     36 // =============================================================================
     37 // Used to disable the debug allocation calls.
     38 // =============================================================================
     39 bool DebugDisableInitialize();
     40 void DebugDisableFinalize();
     41 
     42 bool DebugCallsDisabled();
     43 void DebugDisableSet(bool disable);
     44 
     45 class ScopedDisableDebugCalls {
     46  public:
     47   ScopedDisableDebugCalls() : disabled_(DebugCallsDisabled()) {
     48     if (!disabled_) {
     49       DebugDisableSet(true);
     50     }
     51   }
     52   ~ScopedDisableDebugCalls() {
     53     if (!disabled_) {
     54       DebugDisableSet(false);
     55     }
     56   }
     57 
     58  private:
     59   bool disabled_;
     60 
     61   DISALLOW_COPY_AND_ASSIGN(ScopedDisableDebugCalls);
     62 };
     63 
     64 #endif  // MALLOC_DEBUG_DISABLE_H
     65