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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/base/platform/mutex.h" | 5 #include "src/base/platform/mutex.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace base { | 10 namespace base { |
11 | 11 |
12 #if V8_OS_POSIX | 12 #if V8_OS_POSIX |
13 | 13 |
14 static V8_INLINE void InitializeNativeHandle(pthread_mutex_t* mutex) { | 14 static V8_INLINE void InitializeNativeHandle(pthread_mutex_t* mutex) { |
15 int result; | 15 int result; |
16 #if defined(DEBUG) | 16 #if defined(DEBUG) |
17 // Use an error checking mutex in debug mode. | 17 // Use an error checking mutex in debug mode. |
18 pthread_mutexattr_t attr; | 18 pthread_mutexattr_t attr; |
19 result = pthread_mutexattr_init(&attr); | 19 result = pthread_mutexattr_init(&attr); |
20 ASSERT_EQ(0, result); | 20 DCHECK_EQ(0, result); |
21 result = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK); | 21 result = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK); |
22 ASSERT_EQ(0, result); | 22 DCHECK_EQ(0, result); |
23 result = pthread_mutex_init(mutex, &attr); | 23 result = pthread_mutex_init(mutex, &attr); |
24 ASSERT_EQ(0, result); | 24 DCHECK_EQ(0, result); |
25 result = pthread_mutexattr_destroy(&attr); | 25 result = pthread_mutexattr_destroy(&attr); |
26 #else | 26 #else |
27 // Use a fast mutex (default attributes). | 27 // Use a fast mutex (default attributes). |
28 result = pthread_mutex_init(mutex, NULL); | 28 result = pthread_mutex_init(mutex, NULL); |
29 #endif // defined(DEBUG) | 29 #endif // defined(DEBUG) |
30 ASSERT_EQ(0, result); | 30 DCHECK_EQ(0, result); |
31 USE(result); | 31 USE(result); |
32 } | 32 } |
33 | 33 |
34 | 34 |
35 static V8_INLINE void InitializeRecursiveNativeHandle(pthread_mutex_t* mutex) { | 35 static V8_INLINE void InitializeRecursiveNativeHandle(pthread_mutex_t* mutex) { |
36 pthread_mutexattr_t attr; | 36 pthread_mutexattr_t attr; |
37 int result = pthread_mutexattr_init(&attr); | 37 int result = pthread_mutexattr_init(&attr); |
38 ASSERT_EQ(0, result); | 38 DCHECK_EQ(0, result); |
39 result = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); | 39 result = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); |
40 ASSERT_EQ(0, result); | 40 DCHECK_EQ(0, result); |
41 result = pthread_mutex_init(mutex, &attr); | 41 result = pthread_mutex_init(mutex, &attr); |
42 ASSERT_EQ(0, result); | 42 DCHECK_EQ(0, result); |
43 result = pthread_mutexattr_destroy(&attr); | 43 result = pthread_mutexattr_destroy(&attr); |
44 ASSERT_EQ(0, result); | 44 DCHECK_EQ(0, result); |
45 USE(result); | 45 USE(result); |
46 } | 46 } |
47 | 47 |
48 | 48 |
49 static V8_INLINE void DestroyNativeHandle(pthread_mutex_t* mutex) { | 49 static V8_INLINE void DestroyNativeHandle(pthread_mutex_t* mutex) { |
50 int result = pthread_mutex_destroy(mutex); | 50 int result = pthread_mutex_destroy(mutex); |
51 ASSERT_EQ(0, result); | 51 DCHECK_EQ(0, result); |
52 USE(result); | 52 USE(result); |
53 } | 53 } |
54 | 54 |
55 | 55 |
56 static V8_INLINE void LockNativeHandle(pthread_mutex_t* mutex) { | 56 static V8_INLINE void LockNativeHandle(pthread_mutex_t* mutex) { |
57 int result = pthread_mutex_lock(mutex); | 57 int result = pthread_mutex_lock(mutex); |
58 ASSERT_EQ(0, result); | 58 DCHECK_EQ(0, result); |
59 USE(result); | 59 USE(result); |
60 } | 60 } |
61 | 61 |
62 | 62 |
63 static V8_INLINE void UnlockNativeHandle(pthread_mutex_t* mutex) { | 63 static V8_INLINE void UnlockNativeHandle(pthread_mutex_t* mutex) { |
64 int result = pthread_mutex_unlock(mutex); | 64 int result = pthread_mutex_unlock(mutex); |
65 ASSERT_EQ(0, result); | 65 DCHECK_EQ(0, result); |
66 USE(result); | 66 USE(result); |
67 } | 67 } |
68 | 68 |
69 | 69 |
70 static V8_INLINE bool TryLockNativeHandle(pthread_mutex_t* mutex) { | 70 static V8_INLINE bool TryLockNativeHandle(pthread_mutex_t* mutex) { |
71 int result = pthread_mutex_trylock(mutex); | 71 int result = pthread_mutex_trylock(mutex); |
72 if (result == EBUSY) { | 72 if (result == EBUSY) { |
73 return false; | 73 return false; |
74 } | 74 } |
75 ASSERT_EQ(0, result); | 75 DCHECK_EQ(0, result); |
76 return true; | 76 return true; |
77 } | 77 } |
78 | 78 |
79 #elif V8_OS_WIN | 79 #elif V8_OS_WIN |
80 | 80 |
81 static V8_INLINE void InitializeNativeHandle(PCRITICAL_SECTION cs) { | 81 static V8_INLINE void InitializeNativeHandle(PCRITICAL_SECTION cs) { |
82 InitializeCriticalSection(cs); | 82 InitializeCriticalSection(cs); |
83 } | 83 } |
84 | 84 |
85 | 85 |
(...skipping 27 matching lines...) Expand all Loading... |
113 Mutex::Mutex() { | 113 Mutex::Mutex() { |
114 InitializeNativeHandle(&native_handle_); | 114 InitializeNativeHandle(&native_handle_); |
115 #ifdef DEBUG | 115 #ifdef DEBUG |
116 level_ = 0; | 116 level_ = 0; |
117 #endif | 117 #endif |
118 } | 118 } |
119 | 119 |
120 | 120 |
121 Mutex::~Mutex() { | 121 Mutex::~Mutex() { |
122 DestroyNativeHandle(&native_handle_); | 122 DestroyNativeHandle(&native_handle_); |
123 ASSERT_EQ(0, level_); | 123 DCHECK_EQ(0, level_); |
124 } | 124 } |
125 | 125 |
126 | 126 |
127 void Mutex::Lock() { | 127 void Mutex::Lock() { |
128 LockNativeHandle(&native_handle_); | 128 LockNativeHandle(&native_handle_); |
129 AssertUnheldAndMark(); | 129 AssertUnheldAndMark(); |
130 } | 130 } |
131 | 131 |
132 | 132 |
133 void Mutex::Unlock() { | 133 void Mutex::Unlock() { |
(...skipping 14 matching lines...) Expand all Loading... |
148 RecursiveMutex::RecursiveMutex() { | 148 RecursiveMutex::RecursiveMutex() { |
149 InitializeRecursiveNativeHandle(&native_handle_); | 149 InitializeRecursiveNativeHandle(&native_handle_); |
150 #ifdef DEBUG | 150 #ifdef DEBUG |
151 level_ = 0; | 151 level_ = 0; |
152 #endif | 152 #endif |
153 } | 153 } |
154 | 154 |
155 | 155 |
156 RecursiveMutex::~RecursiveMutex() { | 156 RecursiveMutex::~RecursiveMutex() { |
157 DestroyNativeHandle(&native_handle_); | 157 DestroyNativeHandle(&native_handle_); |
158 ASSERT_EQ(0, level_); | 158 DCHECK_EQ(0, level_); |
159 } | 159 } |
160 | 160 |
161 | 161 |
162 void RecursiveMutex::Lock() { | 162 void RecursiveMutex::Lock() { |
163 LockNativeHandle(&native_handle_); | 163 LockNativeHandle(&native_handle_); |
164 #ifdef DEBUG | 164 #ifdef DEBUG |
165 ASSERT_LE(0, level_); | 165 DCHECK_LE(0, level_); |
166 level_++; | 166 level_++; |
167 #endif | 167 #endif |
168 } | 168 } |
169 | 169 |
170 | 170 |
171 void RecursiveMutex::Unlock() { | 171 void RecursiveMutex::Unlock() { |
172 #ifdef DEBUG | 172 #ifdef DEBUG |
173 ASSERT_LT(0, level_); | 173 DCHECK_LT(0, level_); |
174 level_--; | 174 level_--; |
175 #endif | 175 #endif |
176 UnlockNativeHandle(&native_handle_); | 176 UnlockNativeHandle(&native_handle_); |
177 } | 177 } |
178 | 178 |
179 | 179 |
180 bool RecursiveMutex::TryLock() { | 180 bool RecursiveMutex::TryLock() { |
181 if (!TryLockNativeHandle(&native_handle_)) { | 181 if (!TryLockNativeHandle(&native_handle_)) { |
182 return false; | 182 return false; |
183 } | 183 } |
184 #ifdef DEBUG | 184 #ifdef DEBUG |
185 ASSERT_LE(0, level_); | 185 DCHECK_LE(0, level_); |
186 level_++; | 186 level_++; |
187 #endif | 187 #endif |
188 return true; | 188 return true; |
189 } | 189 } |
190 | 190 |
191 } } // namespace v8::base | 191 } } // namespace v8::base |
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