NLboolean nlMutexLock(NLmutex *mutex) NLboolean nlMutexUnlock(NLmutex *mutex)
mutex
[in]The mutex to lock or unlock.
nlMutexLock locks the mutex. If the mutex is already locked, then
nlMutexLock will block until the mutex is unlocked.
nlMutexUnlock unlocks the mutex.
NL_TRUE if no error occurs, otherwise NL_FALSE, and the specific error code can be retrieved by calling
nlGetError
NL_NULL_POINTER : A NULL pointer was passed to this function.
NL_SYSTEM_ERROR : A system error has ocurred. The system error can be retrieved by calling nlGetSystemError.
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