X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Flock.php;h=a48b0ad342e1353b1b3b816e50bf0d5fc4c4cffb;hb=8398270ceee6afdb0ec46a28ddf04e2e337b707b;hp=707e33609e32456b64c7e295b8786b3f1e0964f3;hpb=234598280d96627861a1ff1dcfc8a4a59bd37054;p=friendica.git diff --git a/include/lock.php b/include/lock.php index 707e33609e..a48b0ad342 100644 --- a/include/lock.php +++ b/include/lock.php @@ -11,20 +11,23 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) { $start = time(); do { - q("LOCK TABLE locks WRITE"); - $r = q("SELECT locked FROM locks WHERE name = '%s' LIMIT 1", + q("LOCK TABLE `locks` WRITE"); + $r = q("SELECT `locked`, `created` FROM `locks` WHERE `name` = '%s' LIMIT 1", dbesc($fn_name) ); - if((count($r)) && (! $r[0]['locked'])) { - q("UPDATE locks SET locked = 1 WHERE name = '%s' LIMIT 1", + if((dbm::is_result($r)) AND (!$r[0]['locked'] OR (strtotime($r[0]['created']) < time() - 3600))) { + q("UPDATE `locks` SET `locked` = 1, `created` = '%s' WHERE `name` = '%s'", + dbesc(datetime_convert()), dbesc($fn_name) ); $got_lock = true; } - elseif(! $r) { // the Boolean value for count($r) should be equivalent to the Boolean value of $r - q("INSERT INTO locks ( name, locked ) VALUES ( '%s', 1 )", - dbesc($fn_name) + elseif (! dbm::is_result($r)) { + /// @TODO the Boolean value for count($r) should be equivalent to the Boolean value of $r + q("INSERT INTO `locks` (`name`, `created`, `locked`) VALUES ('%s', '%s', 1)", + dbesc($fn_name), + dbesc(datetime_convert()) ); $got_lock = true; } @@ -37,7 +40,7 @@ function lock_function($fn_name, $block = true, $wait_sec = 2, $timeout = 30) { } while(($block) && (! $got_lock) && ((time() - $start) < $timeout)); logger('lock_function: function ' . $fn_name . ' with blocking = ' . $block . ' got_lock = ' . $got_lock . ' time = ' . (time() - $start), LOGGER_DEBUG); - + return $got_lock; }} @@ -54,10 +57,10 @@ function block_on_function_lock($fn_name, $wait_sec = 2, $timeout = 30) { dbesc($fn_name) ); - if(count($r) && $r[0]['locked']) + if (dbm::is_result($r) && $r[0]['locked']) sleep($wait_sec); - } while(count($r) && $r[0]['locked'] && ((time() - $start) < $timeout)); + } while(dbm::is_result($r) && $r[0]['locked'] && ((time() - $start) < $timeout)); return; }} @@ -65,7 +68,8 @@ function block_on_function_lock($fn_name, $wait_sec = 2, $timeout = 30) { if(! function_exists('unlock_function')) { function unlock_function($fn_name) { - $r = q("UPDATE locks SET locked = 0 WHERE name = '%s' LIMIT 1", + $r = q("UPDATE `locks` SET `locked` = 0, `created` = '%s' WHERE `name` = '%s'", + dbesc(NULL_DATE), dbesc($fn_name) );