Track maximum number of pending signals, to be able to configure RLIMIT_SIGPENDING resource limits. The information is available with taskstats and cgroupstats netlink socket.
Signed-off-by: Topi Miettinen <toiwo...@gmail.com> --- kernel/signal.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/signal.c b/kernel/signal.c index 96e9bc4..670d609 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -387,6 +387,8 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi INIT_LIST_HEAD(&q->list); q->flags = 0; q->user = user; + task_update_resource_highwatermark(t, RLIMIT_SIGPENDING, + atomic_read(&user->sigpending)); } return q; -- 2.8.1