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<?php namespace Comodojo\Daemon\Utils; |
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use \Comodojo\Foundation\DataAccess\IteratorTrait; |
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use \Comodojo\Foundation\DataAccess\CountableTrait; |
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use \Comodojo\Foundation\DataAccess\ArrayAccessTrait; |
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use \Iterator; |
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use \Countable; |
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use \ArrayAccess; |
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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 PosixSignals implements Iterator, Countable, ArrayAccess { |
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use IteratorTrait; |
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use CountableTrait; |
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use ArrayAccessTrait; |
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protected $data = [ |
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SIGHUP => 'SIGHUP', |
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SIGINT => 'SIGINT', |
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SIGQUIT => 'SIGQUIT', |
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SIGILL => 'SIGILL', |
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SIGTRAP => 'SIGTRAP', |
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SIGABRT => 'SIGABRT', |
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SIGIOT => 'SIGIOT', |
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SIGBUS => 'SIGBUS', |
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SIGFPE => 'SIGFPE', |
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// Noone can catch SIGKILL! |
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// SIGKILL => 'SIGKILL', |
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SIGUSR1 => 'SIGUSR1', |
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SIGSEGV => 'SIGSEGV', |
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SIGUSR2 => 'SIGUSR2', |
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SIGPIPE => 'SIGPIPE', |
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SIGALRM => 'SIGALRM', |
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SIGTERM => 'SIGTERM', |
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SIGCHLD => 'SIGCHLD', |
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SIGCONT => 'SIGCONT', |
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SIGTSTP => 'SIGTSTP', |
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SIGTTIN => 'SIGTTIN', |
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SIGTTOU => 'SIGTTOU', |
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SIGURG => 'SIGURG', |
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SIGXCPU => 'SIGXCPU', |
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SIGXFSZ => 'SIGXFSZ', |
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SIGVTALRM => 'SIGVTALRM', |
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SIGPROF => 'SIGPROF', |
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SIGWINCH => 'SIGWINCH', |
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SIGSYS => 'SIGSYS', |
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SIGBABY => 'SIGBABY' |
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]; |
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protected $pointer = []; |
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1 |
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public function __construct() { |
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if ( defined('SIGPOLL') ) $this->data[SIGPOLL] = 'SIGPOLL'; |
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if ( defined('SIGPWR') ) $this->data[SIGPWR] = 'SIGPWR'; |
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if ( defined('SIGSTKFLT') ) $this->data[SIGSTKFLT] = 'SIGSTKFLT'; |
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// if ( defined('SIGSTOP') ) $this->data[SIGSTOP] = 'SIGSTOP'; |
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if ( defined('SIGIO') ) $this->data[SIGIO] = 'SIGIO'; |
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if ( defined('SIGCLD') ) $this->data[SIGCLD] = 'SIGCLD'; |
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} |
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public function sigNo($signame) { |
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$reverse_signals = array_flip($this->data); |
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return array_key_exists($signame, $reverse_signals) ? $reverse_signals[$signame] : null; |
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} |
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public function sigName($signo) { |
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return array_key_exists($signo, $this->data) ? $this->data[$signo] : null; |
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} |
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public function on(...$signals) { |
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foreach ( $signals as $signal ) { |
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if ( !isset($this[$signal]) ) throw new Exception("Signal $signal not supported"); |
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} |
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$this->pointer = $signals; |
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return $this; |
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} |
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public function any() { |
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$this->pointer = []; |
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return $this; |
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} |
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public function call($callable) { |
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if ( empty($this->pointer) ) { |
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$result = []; |
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foreach ( $this as $signo => $signame ) { |
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$result[] = $re = pcntl_signal($signo, $callable); |
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if ( !$re ) echo "\n>>>Signal $signo (".$this->sigName($signo).") failed\n"; |
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} |
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return !in_array(false, $result); |
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} |
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return array_map(function($signal) { |
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return pcntl_signal($signal, $callable); |
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}, $this->pointer); |
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} |
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public function setDefault() { |
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if ( empty($this->pointer) ) { |
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$result = []; |
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foreach ( $this as $signo => $signame ) { |
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$result[] = pcntl_signal($signo, SIG_DFL); |
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} |
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return !in_array(false, $result); |
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} |
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return array_map(function($signal) { |
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return pcntl_signal($signal, SIG_DFL); |
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}, $this->pointer); |
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} |
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public function mask() { |
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if ( empty($this->pointer) ) { |
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return pcntl_sigprocmask(SIG_SETMASK, (array) $this); |
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} |
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return pcntl_sigprocmask(SIG_BLOCK, $this->pointer); |
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} |
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public function unmask() { |
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if ( empty($this->pointer) ) { |
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return pcntl_sigprocmask(SIG_SETMASK, []); |
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} |
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return pcntl_sigprocmask(SIG_UNBLOCK, $this->pointer); |
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} |
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} |
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comodojo /
daemon
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