SyncReaderWriter::readlock
(PECL sync >= 1.0.0)
SyncReaderWriter::readlock — Waits for a read lock
Description
$wait
= -1): boolObtains a read 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::readlock() example
<?php
$readwrite = new SyncReaderWriter("FileCacheLock");
$readwrite->readlock();
/* ... */
$readwrite->readunlock();
?>
See Also
- SyncReaderWriter::readunlock() - Releases a read lock