Re: calling functions in gdb sometimes doesn't work

[Daniel Jacobowitz <drow@mvista.com>]

On Thu, May 22, 2003 at 09:52:22AM -0400, Andrew Cagney wrote:
> >Hi,
> >
> >with gdb 5.2 (Solaris 5.8) sometimes calling a function,
> >e.g. hello(){printf("hello\n");}, results in the following message:
> >
> >(gdb) p hello()
> >
> >The program being debugged stopped while in a function called from GDB.
> >When the function (hello) is done executing, GDB will silently
> >stop (instead of continuing to evaluate the expression containing
> >the function call).
> >
> >When I try to continue my program it appears as if this function didn't get
> >call at all.
> >Unfortunately this doesn't happen with simple example programs.
> >The program I'm debugging is threaded (maybe this has something
> >to do with it).
> 
> Check which thread has stopped.
> 
> I'm not sure that GDB's behavior, when trying to do an inferior function 
> call on a threaded program is, er, very well defined :-(

In fact, it really doesn't work right.  Jim discovered a few months ago
that other threads will be resumed.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer