Lines Matching refs:tsk
516 struct task_struct *tsk = current; in flush_itimer_signals() local
519 spin_lock_irqsave(&tsk->sighand->siglock, flags); in flush_itimer_signals()
520 __flush_itimer_signals(&tsk->pending); in flush_itimer_signals()
521 __flush_itimer_signals(&tsk->signal->shared_pending); in flush_itimer_signals()
522 spin_unlock_irqrestore(&tsk->sighand->siglock, flags); in flush_itimer_signals()
557 bool unhandled_signal(struct task_struct *tsk, int sig) in unhandled_signal() argument
559 void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; in unhandled_signal()
560 if (is_global_init(tsk)) in unhandled_signal()
567 return !tsk->ptrace; in unhandled_signal()
631 int dequeue_signal(struct task_struct *tsk, sigset_t *mask, kernel_siginfo_t *info) in dequeue_signal() argument
639 signr = __dequeue_signal(&tsk->pending, mask, info, &resched_timer); in dequeue_signal()
641 signr = __dequeue_signal(&tsk->signal->shared_pending, in dequeue_signal()
658 struct hrtimer *tmr = &tsk->signal->real_timer; in dequeue_signal()
661 tsk->signal->it_real_incr != 0) { in dequeue_signal()
663 tsk->signal->it_real_incr); in dequeue_signal()
697 spin_unlock(&tsk->sighand->siglock); in dequeue_signal()
699 spin_lock(&tsk->sighand->siglock); in dequeue_signal()
711 struct task_struct *tsk = current; in dequeue_synchronous_signal() local
712 struct sigpending *pending = &tsk->pending; in dequeue_synchronous_signal()
718 if (!((pending->signal.sig[0] & ~tsk->blocked.sig[0]) & SYNCHRONOUS_MASK)) in dequeue_synchronous_signal()
1385 struct sighand_struct *__lock_task_sighand(struct task_struct *tsk, in __lock_task_sighand() argument
1392 sighand = rcu_dereference(tsk->sighand); in __lock_task_sighand()
1408 if (likely(sighand == rcu_access_pointer(tsk->sighand))) in __lock_task_sighand()
2025 bool do_notify_parent(struct task_struct *tsk, int sig) in do_notify_parent() argument
2036 WARN_ON_ONCE(task_is_stopped_or_traced(tsk)); in do_notify_parent()
2038 WARN_ON_ONCE(!tsk->ptrace && in do_notify_parent()
2039 (tsk->group_leader != tsk || !thread_group_empty(tsk))); in do_notify_parent()
2042 do_notify_pidfd(tsk); in do_notify_parent()
2049 if (tsk->parent_exec_id != READ_ONCE(tsk->parent->self_exec_id)) in do_notify_parent()
2068 info.si_pid = task_pid_nr_ns(tsk, task_active_pid_ns(tsk->parent)); in do_notify_parent()
2069 info.si_uid = from_kuid_munged(task_cred_xxx(tsk->parent, user_ns), in do_notify_parent()
2070 task_uid(tsk)); in do_notify_parent()
2073 task_cputime(tsk, &utime, &stime); in do_notify_parent()
2074 info.si_utime = nsec_to_clock_t(utime + tsk->signal->utime); in do_notify_parent()
2075 info.si_stime = nsec_to_clock_t(stime + tsk->signal->stime); in do_notify_parent()
2077 info.si_status = tsk->exit_code & 0x7f; in do_notify_parent()
2078 if (tsk->exit_code & 0x80) in do_notify_parent()
2080 else if (tsk->exit_code & 0x7f) in do_notify_parent()
2084 info.si_status = tsk->exit_code >> 8; in do_notify_parent()
2087 psig = tsk->parent->sighand; in do_notify_parent()
2089 if (!tsk->ptrace && sig == SIGCHLD && in do_notify_parent()
2116 __send_signal(sig, &info, tsk->parent, PIDTYPE_TGID, false); in do_notify_parent()
2117 __wake_up_parent(tsk, tsk->parent); in do_notify_parent()
2136 static void do_notify_parent_cldstop(struct task_struct *tsk, in do_notify_parent_cldstop() argument
2146 parent = tsk->parent; in do_notify_parent_cldstop()
2148 tsk = tsk->group_leader; in do_notify_parent_cldstop()
2149 parent = tsk->real_parent; in do_notify_parent_cldstop()
2159 info.si_pid = task_pid_nr_ns(tsk, task_active_pid_ns(parent)); in do_notify_parent_cldstop()
2160 info.si_uid = from_kuid_munged(task_cred_xxx(parent, user_ns), task_uid(tsk)); in do_notify_parent_cldstop()
2163 task_cputime(tsk, &utime, &stime); in do_notify_parent_cldstop()
2173 info.si_status = tsk->signal->group_exit_code & 0x7f; in do_notify_parent_cldstop()
2176 info.si_status = tsk->exit_code & 0x7f; in do_notify_parent_cldstop()
2190 __wake_up_parent(tsk, parent); in do_notify_parent_cldstop()
2947 static void retarget_shared_pending(struct task_struct *tsk, sigset_t *which) in retarget_shared_pending() argument
2952 sigandsets(&retarget, &tsk->signal->shared_pending.signal, which); in retarget_shared_pending()
2956 t = tsk; in retarget_shared_pending()
2957 while_each_thread(tsk, t) { in retarget_shared_pending()
2974 void exit_signals(struct task_struct *tsk) in exit_signals() argument
2983 cgroup_threadgroup_change_begin(tsk); in exit_signals()
2985 if (thread_group_empty(tsk) || signal_group_exit(tsk->signal)) { in exit_signals()
2986 tsk->flags |= PF_EXITING; in exit_signals()
2987 cgroup_threadgroup_change_end(tsk); in exit_signals()
2991 spin_lock_irq(&tsk->sighand->siglock); in exit_signals()
2996 tsk->flags |= PF_EXITING; in exit_signals()
2998 cgroup_threadgroup_change_end(tsk); in exit_signals()
3000 if (!task_sigpending(tsk)) in exit_signals()
3003 unblocked = tsk->blocked; in exit_signals()
3005 retarget_shared_pending(tsk, &unblocked); in exit_signals()
3007 if (unlikely(tsk->jobctl & JOBCTL_STOP_PENDING) && in exit_signals()
3008 task_participate_group_stop(tsk)) in exit_signals()
3011 spin_unlock_irq(&tsk->sighand->siglock); in exit_signals()
3019 do_notify_parent_cldstop(tsk, false, group_stop); in exit_signals()
3042 static void __set_task_blocked(struct task_struct *tsk, const sigset_t *newset) in __set_task_blocked() argument
3044 if (task_sigpending(tsk) && !thread_group_empty(tsk)) { in __set_task_blocked()
3048 retarget_shared_pending(tsk, &newblocked); in __set_task_blocked()
3050 tsk->blocked = *newset; in __set_task_blocked()
3069 struct task_struct *tsk = current; in __set_current_blocked() local
3075 if (sigequalsets(&tsk->blocked, newset)) in __set_current_blocked()
3078 spin_lock_irq(&tsk->sighand->siglock); in __set_current_blocked()
3079 __set_task_blocked(tsk, newset); in __set_current_blocked()
3080 spin_unlock_irq(&tsk->sighand->siglock); in __set_current_blocked()
3093 struct task_struct *tsk = current; in sigprocmask() local
3098 *oldset = tsk->blocked; in sigprocmask()
3102 sigorsets(&newset, &tsk->blocked, set); in sigprocmask()
3105 sigandnsets(&newset, &tsk->blocked, set); in sigprocmask()
3605 struct task_struct *tsk = current; in do_sigtimedwait() local
3622 spin_lock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3623 sig = dequeue_signal(tsk, &mask, info); in do_sigtimedwait()
3631 tsk->real_blocked = tsk->blocked; in do_sigtimedwait()
3632 sigandsets(&tsk->blocked, &tsk->blocked, &mask); in do_sigtimedwait()
3634 spin_unlock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3637 ret = freezable_schedule_hrtimeout_range(to, tsk->timer_slack_ns, in do_sigtimedwait()
3639 spin_lock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3640 __set_task_blocked(tsk, &tsk->real_blocked); in do_sigtimedwait()
3641 sigemptyset(&tsk->real_blocked); in do_sigtimedwait()
3642 sig = dequeue_signal(tsk, &mask, info); in do_sigtimedwait()
3644 spin_unlock_irq(&tsk->sighand->siglock); in do_sigtimedwait()