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@@ -139,6 +139,8 @@
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* @return void
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*/
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function _debug($msg, $show = true) {
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+ if (defined('SUPPRESS_DEBUGGING'))
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+ return false;
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$ts = strftime("%H:%M:%S", time());
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if (function_exists('posix_getpid')) {
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@@ -153,7 +155,29 @@
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$fp = fopen(LOGFILE, 'a+');
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if ($fp) {
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+ $locked = false;
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+
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+ if (function_exists("flock")) {
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+ $tries = 0;
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+
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+ // try to lock logfile for writing
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+ while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
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+ sleep(1);
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+ ++$tries;
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+ }
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+
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+ if (!$locked) {
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+ fclose($fp);
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+ return;
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+ }
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+ }
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+
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fputs($fp, "[$ts] $msg\n");
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+
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+ if (function_exists("flock")) {
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+ flock($fp, LOCK_UN);
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+ }
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+
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fclose($fp);
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}
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}
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