Function EventDriverSignals.listen

Starts listening for the specified POSIX signal.


							
					abstract SignalListenID listen
					(
					

					  int sig,
					

					  nothrow @safe void delegate(SignalListenID, SignalStatus, int) on_signal
					

					) nothrow @safe;

Note that if a default signal handler exists for the signal, it will be disabled by using this function.

Parameters

Name	Description
sig	The number of the signal to listen for
on_signal	Callback that gets called whenever a matching signal gets received

Returns

Returns an identifier that identifies the resource associated with the signal. Giving up ownership of this resource using releaseRef will re-enable the default signal handler, if any was present.

For any error condition, SignalListenID.invalid will be returned instead.

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