My problem was (and still is...) that I could not redirect the gdb
to the child process--though it's specificaly designed for that.
Maybe someone still can help about that.
The ddd front end even has a menu for this.
Eventually I did something very similar to what Daniel Feiglin
suggested,
but changing a working and tested code for debugging sake
(that's a porting assignment from Solaris to RH 7.1)--
it's not appropiate in the long run.
About Shaul Karl remark (cited bellow):
Because of it's specific nature we could not extract something
useful by employing dbx on the core file.
Anyway, thanks to all that answered.
Edy
Daniel Feiglin wrote:
> What about something idiotic like this:
>
> junk = fork();
> if (junk < 0) {
> // error
> }
> else if (junk > 0) {
> // parent comes here
> printf("Child pid = %d\n, junk);
> }
> else { // junk = 0; chil comes here
> sleep(5); // sleep 5 seconds here
> ...
> }
>
> You could stick a getch() into the child instead of a sleep - depends
> on what you are doing with the keyboard.
>
> DAF
>
> Gold Edward wrote:
>
> > ddd is a graphic front end for gdb (and dbx and other debuggers).
> > However, I haven't been able to redirect it to the child process,
> > after a fork call. I need to redirect the debugger before the
> > childs birth-- see the reason below .
> > I've write "set follow fork-mode child" on the gdb panel of ddd,
> > and also tried it through the ddd graphical means.
> > Still, the debugger remains attached to the parent child.
> > Someone know how to attach the gdb to the child process- BEFORE
> > it's birth?
> > (The child process dies soon after it's birth-- because of an access
> > violation...).
> >
> >
> > Thanks
> > Edy
> >
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> >
Shaul Karl wrote:
(2) Another way might be to examine the child core file.
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