RWLock.readerTrylock
bool readerTrylock() nothrowTries to obtain a read lock on rw_lock and returns true if the read lock was successfully obtained. Otherwise it returns false.
Returns
true if rw_lock could be locked
bool readerTrylock() nothrowTries to obtain a read lock on rw_lock and returns true if the read lock was successfully obtained. Otherwise it returns false.