diff options
| author | Jeff Dike <jdike@addtoit.com> | 2006-02-07 12:58:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-07 16:12:32 -0800 |
| commit | 43b00fdbb13bfc1b2f4a8e5b65315db6d9c479a3 (patch) | |
| tree | 259d8a28854c007d2e0ee7ca0b0eba7e0f220a0d /arch/um/os-Linux | |
| parent | 14d9ead05ec925f299ae5cfe948c180c88ec842e (diff) | |
[PATCH] uml: block SIGWINCH in ptrace tester child
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>
Diffstat (limited to 'arch/um/os-Linux')
| -rw-r--r-- | arch/um/os-Linux/start_up.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 6c5b17ed59e..829d6b0d8b0 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -49,6 +49,7 @@ static int ptrace_child(void *arg) int pid = os_getpid(), ppid = getppid(); int sc_result; + change_sig(SIGWINCH, 0); if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0){ perror("ptrace"); os_kill_process(pid, 0); |