[PATCH 4/4] UML - Fix a crash under screen

[Jeff Dike <jdike@addtoit.com>]

Running UML inside a detached screen delivers SIGWINCH when UML is not 
expecting it.  This patch ignores them.

Signed-off-by: Jeff Dike <jdike@addtoit.com>

Index: linux-2.6.13-rc6/arch/um/kernel/skas/process.c
===================================================================
--- linux-2.6.13-rc6.orig/arch/um/kernel/skas/process.c	2005-08-13 09:02:43.000000000 -0400
+++ linux-2.6.13-rc6/arch/um/kernel/skas/process.c	2005-08-13 09:03:15.000000000 -0400
@@ -61,7 +61,11 @@
 
                 CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
         } while((n >= 0) && WIFSTOPPED(status) &&
-                (WSTOPSIG(status) == SIGVTALRM));
+                ((WSTOPSIG(status) == SIGVTALRM) || 
+		 /* running UML inside a detached screen can cause 
+		  * SIGWINCHes 
+		  */
+		 (WSTOPSIG(status) == SIGWINCH)));
 
         if((n < 0) || !WIFSTOPPED(status) ||
            (WSTOPSIG(status) != SIGUSR1 && WSTOPSIG(status) != SIGTRAP)){

-
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