/**
* Fork process and kill parent process, the heart of the 'daemonization'
*
* @return boolean
*/
protected static function _fork()
{
self::log(self::LOG_DEBUG, "forking " . self::getOption("appName") . " daemon", __FILE__, __CLASS__, __FUNCTION__, __LINE__);
$pid = pcntl_fork();
if ($pid == -1) {
// Error
self::log(self::LOG_WARNING, "" . self::getOption("appName") . " daemon could not be forked", __FILE__, __CLASS__, __FUNCTION__, __LINE__);
return false;
} else {
if ($pid) {
// Parent
self::log(self::LOG_DEBUG, "ending " . self::getOption("appName") . " parent process", __FILE__, __CLASS__, __FUNCTION__, __LINE__);
// Die without attracting attention
exit;
} else {
// Child
self::$_processIsChild = true;
self::$_isDying = false;
self::$_processId = posix_getpid();
return true;
}
}
}
/**
* Fork process and kill parent process, the heart of the 'daemonization'
*
* @return boolean
*/
protected static function _fork()
{
self::debug('forking {appName} daemon');
$pid = pcntl_fork();
if ($pid === -1) {
// Error
return self::warning('Process could not be forked');
} else {
if ($pid) {
// Parent
self::debug('Ending {appName} parent process');
// Die without attracting attention
exit;
} else {
// Child
self::$_processIsChild = true;
self::$_isDying = false;
self::$_processId = posix_getpid();
return true;
}
}
}
/**
* Fork process and kill parent process, the heart of the 'daemonization'
*
* @return boolean
*/
protected static function _fork()
{
self::debug('forking {appName} daemon');
$pid = pcntl_fork();
if ($pid === -1) {
// Error
return self::warning('Process could not be forked');
} else {
if ($pid) {
// Parent
self::debug('Ending {appName} parent process');
// Additional PID succeeded check
if (!is_numeric($pid)) {
self::emerg('No valid pid: %s', $pid);
exit(-1);
}
// Change umask
@umask(0);
// Write pidfile
$p = self::_writePid(self::opt('appPidLocation'), $pid);
if (false === $p) {
self::emerg('Unable to write pid file {appPidLocation}');
exit(-1);
}
// Die without attracting attention
exit;
} else {
// Child
self::$_processIsChild = true;
self::$_isDying = false;
self::$_processId = posix_getpid();
return true;
}
}
}
