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 
DebugCallsDisabled()38 bool DebugCallsDisabled() {
39   if (g_debug == nullptr || pthread_getspecific(g_disable_key) != nullptr) {
40     return true;
41   }
42   return false;
43 }
44 
DebugDisableInitialize()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 
DebugDisableFinalize()56 void DebugDisableFinalize() {
57   pthread_key_delete(g_disable_key);
58 }
59 
DebugDisableSet(bool disable)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