From: Sukadev Bhattiprolu <[EMAIL PROTECTED]>
Only the global-init process must be special - any other container-init
process must be killable to prevent run-away processes in the system.
TODO: Ideally we should allow killing the container-init only from parent
container and prevent it being killed from within the container.
But that is a more complex change and will be addressed by a follow-on
patch. For now allow the container-init to be terminated by any process
with sufficient privileges.
Signed-off-by: Sukadev Bhattiprolu <[EMAIL PROTECTED]>
Acked-by: Pavel Emelyanov <[EMAIL PROTECTED]>
Cc: Oleg Nesterov <[EMAIL PROTECTED]>
---
signal.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
--- lx26-23-rc1-mm1.orig/kernel/signal.c 2007-08-07 13:52:12.000000000
-0700
+++ lx26-23-rc1-mm1/kernel/signal.c 2007-08-09 17:22:19.000000000 -0700
@@ -1861,11 +1861,9 @@ relock:
continue;
/*
- * Init of a pid space gets no signals it doesn't want from
- * within that pid space. It can of course get signals from
- * its parent pid space.
+ * Global init gets no signals it doesn't want.
*/
- if (current == task_child_reaper(current))
+ if (is_global_init(current))
continue;
if (sig_kernel_stop(signr)) {
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