diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index e93691e9b32..c6d14b8008d 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -24,6 +24,7 @@ #include <linux/pid_namespace.h> #include <linux/ptrace.h> #include <linux/profile.h> +#include <linux/signalfd.h> #include <linux/mount.h> #include <linux/proc_fs.h> #include <linux/kthread.h> @@ -83,6 +84,14 @@ static void __exit_signal(struct task_struct *tsk) sighand = rcu_dereference(tsk->sighand); spin_lock(&sighand->siglock); + /* + * Notify that this sighand has been detached. This must + * be called with the tsk->sighand lock held. Also, this + * access tsk->sighand internally, so it must be called + * before tsk->sighand is reset. + */ + signalfd_detach_locked(tsk); + posix_cpu_timers_exit(tsk); if (atomic_dec_and_test(&sig->count)) posix_cpu_timers_exit_group(tsk); |