Method Concurrent.do_signal_call_callback()

Method do_signal_call_callback

protected void do_signal_call_callback(function(:void) cb, mixed ... args)

Description

Call the callback function cb in a safe manner when the originating Promise may have been lost.

Note

Only called for failure callbacks.

If the callback fails, global_on_failure() will be called twice; once with the error from the failing call, and once with the original error.