50 class Mutex {
53   inline Mutex();
56   inline ~Mutex();
75   Mutex(Mutex *ignored);
77   Mutex(const Mutex&);
78   void operator=(const Mutex&);
95 Mutex::Mutex() : mutex_(0) { }  in Mutex()  function
96 Mutex::~Mutex()            { assert(mutex_ == 0); }  in ~Mutex()
97 void Mutex::Lock()         { assert(--mutex_ == -1); }  in Lock()
98 void Mutex::Unlock()       { assert(mutex_++ == -1); }  in Unlock()
99 bool Mutex::TryLock()      { if (mutex_) return false; Lock(); return true; }  in TryLock()
100 void Mutex::ReaderLock()   { assert(++mutex_ > 0); }  in ReaderLock()
101 void Mutex::ReaderUnlock() { assert(mutex_-- > 0); }  in ReaderUnlock()
108 Mutex::Mutex()             { SAFE_PTHREAD(pthread_rwlock_init(&mutex_, NULL)); }  in Mutex()  function
109 Mutex::~Mutex()            { SAFE_PTHREAD(pthread_rwlock_destroy(&mutex_)); }  in ~Mutex()
110 void Mutex::Lock()         { SAFE_PTHREAD(pthread_rwlock_wrlock(&mutex_)); }  in Lock()
111 void Mutex::Unlock()       { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }  in Unlock()
112 bool Mutex::TryLock()      { return pthread_rwlock_trywrlock(&mutex_) == 0; }  in TryLock()
113 void Mutex::ReaderLock()   { SAFE_PTHREAD(pthread_rwlock_rdlock(&mutex_)); }  in ReaderLock()
114 void Mutex::ReaderUnlock() { SAFE_PTHREAD(pthread_rwlock_unlock(&mutex_)); }  in ReaderUnlock()
123 Mutex::Mutex()             { SAFE_PTHREAD(pthread_mutex_init(&mutex_, NULL)); }  in Mutex()  function
124 Mutex::~Mutex()            { SAFE_PTHREAD(pthread_mutex_destroy(&mutex_)); }  in ~Mutex()
125 void Mutex::Lock()         { SAFE_PTHREAD(pthread_mutex_lock(&mutex_)); }  in Lock()
126 void Mutex::Unlock()       { SAFE_PTHREAD(pthread_mutex_unlock(&mutex_)); }  in Unlock()
127 bool Mutex::TryLock()      { return pthread_mutex_trylock(&mutex_) == 0; }  in TryLock()
128 void Mutex::ReaderLock()   { Lock(); }      // we don't have read-write locks  in ReaderLock()
129 void Mutex::ReaderUnlock() { Unlock(); }  in ReaderUnlock()
134 Mutex::Mutex()             { InitializeCriticalSection(&mutex_); }  in Mutex()  function
135 Mutex::~Mutex()            { DeleteCriticalSection(&mutex_); }  in ~Mutex()
136 void Mutex::Lock()         { EnterCriticalSection(&mutex_); }  in Lock()
137 void Mutex::Unlock()       { LeaveCriticalSection(&mutex_); }  in Unlock()
138 bool Mutex::TryLock()      { return TryEnterCriticalSection(&mutex_) != 0; }  in TryLock()
139 void Mutex::ReaderLock()   { Lock(); }      // we don't have read-write locks  in ReaderLock()
140 void Mutex::ReaderUnlock() { Unlock(); }  in ReaderUnlock()
151   explicit MutexLock(Mutex *mu) : mu_(mu) { mu_->Lock(); }  in MutexLock()
154   Mutex * const mu_;
163   explicit ReaderMutexLock(Mutex *mu) : mu_(mu) { mu_->ReaderLock(); }  in ReaderMutexLock()
166   Mutex * const mu_;
174   explicit WriterMutexLock(Mutex *mu) : mu_(mu) { mu_->WriterLock(); }  in WriterMutexLock()
177   Mutex * const mu_;
201 	static Mutex name