On Sat, Jan 16, 2010 at 6:17 PM, Helge Deller <deller@xxxxxx> wrote:
> This coding seems to indicate that we call _exit(), but we aren't (as
> you see above in the strace).
> So I'm wondering if the "bl _exit,%rp" needs changing.
> Something with HIDDEN_JUMPTARGET(_exit) or similar, so that
> _exit() instead of exit() is called?
>
> Actually I did tested this with the minifail test program, and changed
> thread_run() to call _exit(0) at the end instead of "return 0":
> void* thread_run(void* arg) {
> ...
> /* return (void *)&status; */
> _exit(0);
> }
> With strace I then suddenly got exit_group() which seems more correct:
> [pid 1910] write(1, "Thread OK.\n", 11) = 11
> [pid 1910] exit_group(0) = ?
I agree with this analysis. I'm testing a change which uses
HIDDEN_JUMPTARGET(). I will tell you how it goes.
Calling exit_group is important for threads.
Cheers,
Carlos.
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