Attempt to lock this reader/writer lock for read.
Synopsis
Declared in <bslmt_readerwriterlock.h>
int
tryLockRead();Description
Attempt to lock this reader/writer lock for read. Return 0 on success, and a non‐zero value if the lock is currently locked for write or if there are writers waiting for this lock. If successful, unlock must be used to release this lock.
Return Value
0 on success, and a non‐zero value if locked for write or writers are waiting
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