Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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40 lines
814 B

<?php
class pidfile {
private $_file;
private $_running;
public function __construct($dir, $name) {
$this->_file = "$dir/$name.pid";
if (file_exists($this->_file)) {
$pid = trim(@file_get_contents($this->_file));
if (($pid != "") && posix_kill($pid, 0)) {
$this->_running = true;
}
}
if (! $this->_running) {
$pid = getmypid();
file_put_contents($this->_file, $pid);
}
}
public function __destruct() {
if ((! $this->_running) && file_exists($this->_file)) {
@unlink($this->_file);
}
}
public function is_already_running() {
return $this->_running;
}
public function running_time() {
return(time() - @filectime($this->_file));
}
public function kill() {
if (file_exists($this->_file))
return(posix_kill(file_get_contents($this->_file), SIGTERM));
}
}