neutron/signal-handler

A library to ease the use of signal handling.

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Details

github.com/romainneutron/signal-handler

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1.0.1 2014-01-15 17:24 UTC

Requires

  • php: >=5.3.3

Requires (Dev)

MIT 5f2069bf4a5901a65be51f57ea60779a279564c1

signal

This package is auto-updated.

Last update: 2024-10-25 07:05:37 UTC

README

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A simple signal handler to manage incoming posix signals.

It is implemented as a singleton as pcntl_signal can only register one callback per signal.

Using this one, you can register as many callbacks per signal as needed.

For more information about signals, man signal.

// mandatory to listen to signals
declare(ticks=1);
$handler = Neutron\SignalHandler\SignalHandler::getInstance();
$handler->register(array(SIGINT, SIGTERM), function () { echo "stoppin !"; exit(); });
$handler->register(SIGCONT, function () { echo "all systems go..."; });

Register a signal handler

// register a handler for SIGCONT in default namespace
$handler->register(SIGCONT, function () { echo "SIGCONT received"; });
// register a handler for SIGCONT in "a namespace"
$handler->register(SIGCONT, function () { echo "SIGCONT received"; }, 'a namespace');
// register a handler for SIGCONT in "another namespace"
$handler->register(SIGINT, function () { echo "Interrupted !"; exit(); }, 'another namespace');

Unregister signals handler

Two ways are available to unregister signals.

By namespace :

// unregister all handlers in "another namespace"
$handler->unregisterNamespace('another namespace');
// unregister all SIGINT handlers in "a namespace"
$handler->unregisterNamespace('a namespace', SIGINT);

By signal :

// unregister all SIGINT handlers in any namespace
$handler->unregisterSignal(SIGINT);

License

This project is released under the MIT license.