Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

[PATCH] uml: block SIGWINCH in ptrace tester child

Browse source 
The process that UML uses to probe the host's ptrace capabilities can (rarely)
receive a SIGWINCH, confusing the parent.  This fixes that by blocking
SIGWINCH.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2006-02-07 12:58:42 -08:00 committed by Linus Torvalds
parent 14d9ead05e
commit 43b00fdbb1
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/um/os-Linux/start_up.c
View file

@ -49,6 +49,7 @@ static int ptrace_child(void *arg)
int pid = os_getpid(), ppid = getppid(); int pid = os_getpid(), ppid = getppid();
int sc_result; int sc_result;
change_sig(SIGWINCH, 0);
if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){ if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){
perror("ptrace"); perror("ptrace");
os_kill_process(pid, 0); os_kill_process(pid, 0);