1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "Mutex.h"
#include <errno.h>
#include "mozilla/Assertions.h"
bool Mutex::TryLock() {
#if defined(XP_WIN)
return !!TryEnterCriticalSection(&mMutex);
#elif defined(XP_DARWIN)
return os_unfair_lock_trylock(&mMutex);
#else
switch (pthread_mutex_trylock(&mMutex)) {
case 0:
return true;
case EBUSY:
return false;
default:
MOZ_CRASH("pthread_mutex_trylock error.");
}
#endif
}
|
