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:
ScopedDisableDebugCalls()47   ScopedDisableDebugCalls() : disabled_(DebugCallsDisabled()) {
48     if (!disabled_) {
49       DebugDisableSet(true);
50     }
51   }
~ScopedDisableDebugCalls()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