Re: Some observations on developing with gcj

[Andrew Haley <aph at redhat dot com>]

Tom Tromey writes:
 > >>>>> "Mark" == Mark Wielaard <mark@klomp.org> writes:
 > 
 > Mark> When closing the program down I wanted to use shutdown
 > Mark> hooks. But they only really work when the program terminates
 > Mark> cleanly. It would be nice if shutdown hooks were also triggered
 > Mark> when the program receives a fatal signal (such as the user
 > Mark> pressing Control-C).
 > 
 > Does the JDK do that?  This is worthy of a bug report.

Tricky.  You'd want to do this once, so that if the shutdown hooks
don't terminate you can still hit ctrl-C a second time.

 > Mark> When debugging your native program it is really unhelpful that
 > Mark> NullPointerExceptions don't point at where the actual exception
 > Mark> occured but at the calling method.
 > 
 > Please file in bugzilla.

This depends on whatever backtrace() does when it hits a signal
handler.  In general, making this work perfectly is a hard problem.

Andrew.