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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #include "config.h" | 21 #include "config.h" |
22 #include "RefCountedLeakCounter.h" | 22 #include "RefCountedLeakCounter.h" |
23 #include "wtf/Assertions.h" | 23 #include "wtf/Assertions.h" |
24 | 24 |
25 #if ENABLE(ASSERT) | 25 #if ENABLE(ASSERT) |
26 #include "wtf/Atomics.h" | 26 #include "wtf/Atomics.h" |
27 #include "wtf/HashCountedSet.h" | |
28 #endif | 27 #endif |
29 | 28 |
30 namespace WTF { | 29 namespace WTF { |
31 | 30 |
32 #if !ENABLE(ASSERT) | 31 #if !ENABLE(ASSERT) |
33 | 32 |
34 void RefCountedLeakCounter::suppressMessages(const char*) { } | |
35 void RefCountedLeakCounter::cancelMessageSuppression(const char*) { } | |
36 | |
37 RefCountedLeakCounter::RefCountedLeakCounter(const char*) { } | 33 RefCountedLeakCounter::RefCountedLeakCounter(const char*) { } |
38 RefCountedLeakCounter::~RefCountedLeakCounter() { } | 34 RefCountedLeakCounter::~RefCountedLeakCounter() { } |
39 | 35 |
40 void RefCountedLeakCounter::increment() { } | 36 void RefCountedLeakCounter::increment() { } |
41 void RefCountedLeakCounter::decrement() { } | 37 void RefCountedLeakCounter::decrement() { } |
42 | 38 |
43 #else | 39 #else |
44 | 40 |
45 #define LOG_CHANNEL_PREFIX Log | 41 #define LOG_CHANNEL_PREFIX Log |
46 static WTFLogChannel LogRefCountedLeaks = { WTFLogChannelOn }; | 42 static WTFLogChannel LogRefCountedLeaks = { WTFLogChannelOn }; |
47 | 43 |
48 typedef HashCountedSet<const char*, PtrHash<const char*>> ReasonSet; | |
49 static ReasonSet* leakMessageSuppressionReasons; | |
50 | |
51 void RefCountedLeakCounter::suppressMessages(const char* reason) | |
52 { | |
53 if (!leakMessageSuppressionReasons) | |
54 leakMessageSuppressionReasons = new ReasonSet; | |
55 leakMessageSuppressionReasons->add(reason); | |
56 } | |
57 | |
58 void RefCountedLeakCounter::cancelMessageSuppression(const char* reason) | |
59 { | |
60 ASSERT(leakMessageSuppressionReasons); | |
61 ASSERT(leakMessageSuppressionReasons->contains(reason)); | |
62 leakMessageSuppressionReasons->remove(reason); | |
63 } | |
64 | |
65 RefCountedLeakCounter::RefCountedLeakCounter(const char* description) | 44 RefCountedLeakCounter::RefCountedLeakCounter(const char* description) |
66 : m_description(description) | 45 : m_description(description) |
67 { | 46 { |
68 } | 47 } |
69 | 48 |
70 RefCountedLeakCounter::~RefCountedLeakCounter() | 49 RefCountedLeakCounter::~RefCountedLeakCounter() |
71 { | 50 { |
72 static bool loggedSuppressionReason; | 51 if (!m_count) |
73 if (m_count) { | 52 return; |
74 if (!leakMessageSuppressionReasons || leakMessageSuppressionReasons->isE
mpty()) | 53 |
75 WTF_LOG(RefCountedLeaks, "LEAK: %u %s", m_count, m_description); | 54 WTF_LOG(RefCountedLeaks, "LEAK: %u %s", m_count, m_description); |
76 else if (!loggedSuppressionReason) { | |
77 // This logs only one reason. Later we could change it so we log all
the reasons. | |
78 WTF_LOG(RefCountedLeaks, "No leak checking done: %s", leakMessageSup
pressionReasons->begin()->key); | |
79 loggedSuppressionReason = true; | |
80 } | |
81 } | |
82 } | 55 } |
83 | 56 |
84 void RefCountedLeakCounter::increment() | 57 void RefCountedLeakCounter::increment() |
85 { | 58 { |
86 atomicIncrement(&m_count); | 59 atomicIncrement(&m_count); |
87 } | 60 } |
88 | 61 |
89 void RefCountedLeakCounter::decrement() | 62 void RefCountedLeakCounter::decrement() |
90 { | 63 { |
91 atomicDecrement(&m_count); | 64 atomicDecrement(&m_count); |
92 } | 65 } |
93 | 66 |
94 #endif | 67 #endif |
95 | 68 |
96 } // namespace WTF | 69 } // namespace WTF |
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