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