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Improve inline documentation for the cron lock behavior.

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Props ericlewis.
Fixes #32478.


git-svn-id: https://develop.svn.wordpress.org/trunk@32580 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Drew Jaynes
2015-05-24 17:25:52 +00:00
parent 2c32effa02
commit eb60152449
2 changed files with 14 additions and 5 deletions
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src/wp-cron.php
+7 -2
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@@ -64,7 +64,9 @@ $gmt_time = microtime( true );
if ( isset($keys[0]) && $keys[0] > $gmt_time )
die();
$doing_cron_transient = get_transient( 'doing_cron');
// The cron lock: a unix timestamp from when the cron was spawned.
$doing_cron_transient = get_transient( 'doing_cron' );
// Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock.
if ( empty( $doing_wp_cron ) ) {
@@ -79,7 +81,10 @@ if ( empty( $doing_wp_cron ) ) {
}
}
// Check lock
/*
* The cron lock (a unix timestamp set when the cron was spawned),
* must match $doing_wp_cron (the "key").
*/
if ( $doing_cron_transient != $doing_wp_cron )
return;