In the last episode (Feb 07), Aitor San Juan said: > I have written a Bourne shell script. This shell script invokes a > program written in the C language. > > Below is basically the shell script source code. As you can see, the > C program is not invoked in the background, but in the foreground, so > the shell script doesn't finish until the C program has finished. > > I want the shell script to trap TERM or INT signals, so when any of > these are raised, the shell script will try to send SIGTERM to the > program "myprog":
Since you didn't background "myprog", the shell can't do anything until it returns, including signal processing. See the text at http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_11 There's a nice page about trap handling and shells at http://www3.cons.org/cracauer/bourneshell.html , which includes an example that does what you want: #! /bin/sh pid= onint() { kill $pid } trap onint SIGINT ./hardguy & pid=$! wait $pid -- Dan Nelson [EMAIL PROTECTED] _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
