SyncReaderWriter::writelock
(PECL sync >= 1.0.0)
SyncReaderWriter::writelock — Waits for an exclusive write lock
Description
public SyncReaderWriter::writelock(int
$wait = -1): boolObtains an exclusive write lock on a SyncReaderWriter object.
Parameters
-
wait -
The number of milliseconds to wait for a lock. A value of -1 is infinite.
Return Values
Returns true on success or false on failure.
Examples
Example #1 SyncReaderWriter::writelock() example
<?php
$readwrite = new SyncReaderWriter("FileCacheLock");
$readwrite->writelock();
/* ... */
$readwrite->writeunlock();
?>
See Also
- SyncReaderWriter::writeunlock() - Releases a write lock
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