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1 /* | 1 /* |
2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) | 3 * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com) |
4 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. | 4 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * | 9 * |
10 * 1. Redistributions of source code must retain the above copyright | 10 * 1. Redistributions of source code must retain the above copyright |
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68 return syscall(__NR_gettid); | 68 return syscall(__NR_gettid); |
69 #elif OS(ANDROID) | 69 #elif OS(ANDROID) |
70 return gettid(); | 70 return gettid(); |
71 #else | 71 #else |
72 return reinterpret_cast<uintptr_t>(pthread_self()); | 72 return reinterpret_cast<uintptr_t>(pthread_self()); |
73 #endif | 73 #endif |
74 } | 74 } |
75 | 75 |
76 } // namespace internal | 76 } // namespace internal |
77 | 77 |
78 static Mutex* atomicallyInitializedStaticMutex; | |
79 | |
80 void initializeThreading() { | 78 void initializeThreading() { |
81 // This should only be called once. | 79 // This should only be called once. |
82 DCHECK(!atomicallyInitializedStaticMutex); | |
83 | |
84 WTFThreadData::initialize(); | 80 WTFThreadData::initialize(); |
85 | 81 |
86 atomicallyInitializedStaticMutex = new Mutex; | |
87 initializeDates(); | 82 initializeDates(); |
88 // Force initialization of static DoubleToStringConverter converter variable | 83 // Force initialization of static DoubleToStringConverter converter variable |
89 // inside EcmaScriptConverter function while we are in single thread mode. | 84 // inside EcmaScriptConverter function while we are in single thread mode. |
90 double_conversion::DoubleToStringConverter::EcmaScriptConverter(); | 85 double_conversion::DoubleToStringConverter::EcmaScriptConverter(); |
91 } | 86 } |
92 | 87 |
93 void lockAtomicallyInitializedStaticMutex() { | |
94 DCHECK(atomicallyInitializedStaticMutex); | |
95 atomicallyInitializedStaticMutex->lock(); | |
96 } | |
97 | |
98 void unlockAtomicallyInitializedStaticMutex() { | |
99 atomicallyInitializedStaticMutex->unlock(); | |
100 } | |
101 | |
102 ThreadIdentifier currentThread() { | 88 ThreadIdentifier currentThread() { |
103 return wtfThreadData().threadId(); | 89 return wtfThreadData().threadId(); |
104 } | 90 } |
105 | 91 |
106 MutexBase::MutexBase(bool recursive) { | 92 MutexBase::MutexBase(bool recursive) { |
107 pthread_mutexattr_t attr; | 93 pthread_mutexattr_t attr; |
108 pthread_mutexattr_init(&attr); | 94 pthread_mutexattr_init(&attr); |
109 pthread_mutexattr_settype( | 95 pthread_mutexattr_settype( |
110 &attr, recursive ? PTHREAD_MUTEX_RECURSIVE : PTHREAD_MUTEX_NORMAL); | 96 &attr, recursive ? PTHREAD_MUTEX_RECURSIVE : PTHREAD_MUTEX_NORMAL); |
111 | 97 |
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226 } | 212 } |
227 | 213 |
228 void ThreadCondition::broadcast() { | 214 void ThreadCondition::broadcast() { |
229 int result = pthread_cond_broadcast(&m_condition); | 215 int result = pthread_cond_broadcast(&m_condition); |
230 DCHECK_EQ(result, 0); | 216 DCHECK_EQ(result, 0); |
231 } | 217 } |
232 | 218 |
233 #if DCHECK_IS_ON() | 219 #if DCHECK_IS_ON() |
234 static bool s_threadCreated = false; | 220 static bool s_threadCreated = false; |
235 | 221 |
236 bool isAtomicallyInitializedStaticMutexLockHeld() { | |
237 return atomicallyInitializedStaticMutex && | |
238 atomicallyInitializedStaticMutex->locked(); | |
239 } | |
240 | |
241 bool isBeforeThreadCreated() { | 222 bool isBeforeThreadCreated() { |
242 return !s_threadCreated; | 223 return !s_threadCreated; |
243 } | 224 } |
244 | 225 |
245 void willCreateThread() { | 226 void willCreateThread() { |
246 s_threadCreated = true; | 227 s_threadCreated = true; |
247 } | 228 } |
248 #endif | 229 #endif |
249 | 230 |
250 } // namespace WTF | 231 } // namespace WTF |
251 | 232 |
252 #endif // OS(POSIX) | 233 #endif // OS(POSIX) |
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