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make_lockfile: check ino and dev fields for lock file (refs #703)

This commit is contained in:
Andrew Dolgov 2013-06-07 09:39:12 +04:00
parent 0f9067450a
commit 58fc7095ed
1 changed files with 7 additions and 0 deletions
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7
include/functions.php
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@ -992,6 +992,13 @@
$fp = fopen(LOCK_DIRECTORY . "/$filename", "w"); $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
if ($fp && flock($fp, LOCK_EX | LOCK_NB)) { if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
$stat_h = fstat($fp);
$stat_f = stat(LOCK_DIRECTORY . "/$filename");
if ($stat_h["ino"] != $stat_f["ino"] || $stat_h["dev"] != $stat_f["dev"]) {
return false;
}
if (function_exists('posix_getpid')) { if (function_exists('posix_getpid')) {
fwrite($fp, posix_getpid() . "\n"); fwrite($fp, posix_getpid() . "\n");
} }