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<?php namespace Comodojo\Daemon\Utils; |
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use \Exception; |
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/** |
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* @package Comodojo Daemon |
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* @author Marco Giovinazzi <[email protected]> |
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* @license MIT |
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* |
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* LICENSE: |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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class ProcessTools { |
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/** |
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* Terminate a process, asking PID to terminate or killing it directly. |
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* |
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* @param int $pid |
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* @param int $lagger_timeout Timeout to wait before killing process if it refuses to terminate |
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* @param int $signal Signal to send (default to SIGTERM) |
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* |
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* @return bool |
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*/ |
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public static function term($pid, $lagger_timeout = 0, $signal = SIGTERM) { |
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$kill_time = time() + $lagger_timeout; |
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// $term = posix_kill($pid, $signal); |
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$term = self::signal($pid, $signal); |
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while ( time() < $kill_time ) { |
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if ( !self::isRunning($pid) ) return $term; |
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usleep(20000); |
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} |
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return self::kill($pid); |
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} |
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/** |
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* Kill a process |
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* |
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* @param int $pid |
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* @return bool |
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*/ |
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public static function kill($pid) { |
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// return posix_kill($pid, SIGKILL); |
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return self::signal($pid, SIGKILL); |
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} |
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public static function signal($pid, $signal = SIGUSR1) { |
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return posix_kill($pid, $signal); |
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} |
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/** |
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* Return true if process is still running, false otherwise |
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* |
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* @param int $pid |
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* @return bool |
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*/ |
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public static function isRunning($pid) { |
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return (pcntl_waitpid($pid, $status, WNOHANG) === 0); |
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} |
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/** |
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* Get niceness of a running process |
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* |
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* @param int|null $pid The pid to query, or current process if null |
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* @return int |
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*/ |
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public static function getNiceness($pid = null) { |
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return @pcntl_getpriority($pid); |
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} |
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/** |
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* Set niceness of a running process |
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* |
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* @param int|null $pid The pid to query, or current process if null |
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* @return bool |
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*/ |
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public static function setNiceness($niceness, $pid = null) { |
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return is_null($pid) ? @proc_nice($niceness) : @pcntl_setpriority($pid, $niceness); |
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} |
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/** |
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* Get current process PID |
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* |
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* @return int |
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*/ |
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public static function getPid() { |
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return posix_getpid(); |
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} |
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} |
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comodojo /
daemon
