1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2012 Alexis Laferrière <alexis.laf@xymus.net>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
24 redef fun receive_signal
( signal
) do print
"received safely {signal}"
25 redef fun receive_signal_unsafe
( signal
) do print
"received unsafely {signal}"
31 init do handle_signal
( sigalarm
, true )
33 redef fun receive_signal
( signal
)
35 if signal
== sigalarm
then print
"alarm!"
39 var r
= new MyReceiver
40 r
.handle_signal
(sigint
, true) # will call back when "check_signals" is called
41 r
.handle_signal
(sigsegv
, false) # the only way to receive a sigsegv
43 var ar
= new MyAlarmReceiver
44 set_alarm
( 1 ) # calls C "alarm()"
47 var hit
= check_signals
# callbacks are amde here