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author | Nikias Bassen | 2014-03-21 20:41:56 +0100 |
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committer | Nikias Bassen | 2014-03-21 20:41:56 +0100 |
commit | a406cfaa4724b3a78683b732f016c9ad33cad187 (patch) | |
tree | b635afe13c5544e58e5385da448d36a54e1b2d56 /common/thread.c | |
parent | 982bc6a5ec6395151501175be2e16d5c056e166d (diff) | |
download | libimobiledevice-a406cfaa4724b3a78683b732f016c9ad33cad187.tar.gz libimobiledevice-a406cfaa4724b3a78683b732f016c9ad33cad187.tar.bz2 |
common: add thread_once() implementation
Diffstat (limited to 'common/thread.c')
-rw-r--r-- | common/thread.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/common/thread.c b/common/thread.c index 2cf4321..d6d6c1a 100644 --- a/common/thread.c +++ b/common/thread.c @@ -81,3 +81,19 @@ void mutex_unlock(mutex_t* mutex) pthread_mutex_unlock(mutex); #endif } + +void thread_once(thread_once_t *once_control, void (*init_routine)(void)) +{ +#ifdef WIN32 + while (InterlockedExchange(&(once_control->lock), 1) != 0) { + Sleep(1); + } + if (!once_control->state) { + once_control->state = 1; + init_routine(); + } + InterlockedExchange(&(once_control->lock), 0); +#else + pthread_once(once_control, init_routine); +#endif +} |