diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 1e06f1eba363..9f0eafb6d474 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -373,6 +373,20 @@ static bool task_participate_group_stop(struct task_struct *task) return false; } +void task_join_group_stop(struct task_struct *task) +{ + /* Have the new thread join an on-going signal group stop */ + unsigned long jobctl = current->jobctl; + if (jobctl & JOBCTL_STOP_PENDING) { + struct signal_struct *sig = current->signal; + unsigned long signr = jobctl & JOBCTL_STOP_SIGMASK; + unsigned long gstop = JOBCTL_STOP_PENDING | JOBCTL_STOP_CONSUME; + if (task_set_jobctl_pending(task, signr | gstop)) { + sig->group_stop_count++; + } + } +} + /* * allocate a new signal queue record * - this may be called without locks if and only if t == current, otherwise an |