Re: Kernel process exit problem

Arend-jan Wytzes wrote:
> Hi again, 
> 
> The current kernel patch introduces a problem with process-exit handeling
> for threaded processes that exit due to a signal.
> 
> Lately, I've been spending a lot of time tracking down and fixing this bug.
> The patch is based on kernel 2.4.18 (the latest stable). Because the 
> development (unstable) version of NGPT requires 2.4.19-pre, I decided to
> make a patch against the latest pre-kernel as well.
> 
> To my suprise, the same fix had allready been applied to this pre-release
> kernel. Checking the Changelog for 19-pre, the fix seems to have been 
> applied on June second, but appearantly noone has bothered to post this 
> on the website or to backport this fix into the current ngpt kernel patch. 
> 

Do you mean that patch fragment? This is out of ngpt-2.4.19-pre1.diff


--- linux-2.4.19-pre1/./arch/i386/kernel/signal.c       Mon Feb 25 13:37:53 2002
+++ linux-2.4.19-pre1-ngpt/./arch/i386/kernel/signal.c  Thu Feb 28 13:25:26 2002
@@ -685,10 +685,7 @@
                                 /* FALLTHRU */

                         default:
-                               sigaddset(&current->pending.signal, signr);
-                               recalc_sigpending(current);
-                               current->flags |= PF_SIGNALED;
-                               do_exit(exit_code);
+                               sig_exit(signr, exit_code, &info);
                                 /* NOTREACHED */
                         }
                 }