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 <pthread.h> 33 34 #include "private/bionic_macros.h" 35 36 // ============================================================================= 37 // Used to disable the debug allocation calls. 38 // ============================================================================= 39 extern pthread_key_t g_debug_calls_disabled; 40 41 static inline bool DebugCallsDisabled() { 42 return pthread_getspecific(g_debug_calls_disabled) != NULL; 43 } 44 45 class ScopedDisableDebugCalls { 46 public: 47 ScopedDisableDebugCalls() : disabled_(DebugCallsDisabled()) { 48 if (!disabled_) { 49 pthread_setspecific(g_debug_calls_disabled, reinterpret_cast<const void*>(1)); 50 } 51 } 52 ~ScopedDisableDebugCalls() { 53 if (!disabled_) { 54 pthread_setspecific(g_debug_calls_disabled, NULL); 55 } 56 } 57 58 private: 59 bool disabled_; 60 61 DISALLOW_COPY_AND_ASSIGN(ScopedDisableDebugCalls); 62 }; 63 64 #endif // MALLOC_DEBUG_DISABLE_H 65
