SyncReaderWriter::writelock
(PECL sync >= 1.0.0)
SyncReaderWriter::writelock — Waits for an exclusive write lock
Description
public SyncReaderWriter::writelock ([ int $wait = -1 ] ) : bool
Obtains 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
A boolean of TRUE if the lock was obtained, FALSE otherwise.
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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https://www.php.net/manual/en/syncreaderwriter.writelock.php