Lines Matching refs:tsk
508 struct task_struct *tsk = current; in flush_itimer_signals() local
511 spin_lock_irqsave(&tsk->sighand->siglock, flags); in flush_itimer_signals()
512 __flush_itimer_signals(&tsk->pending); in flush_itimer_signals()
513 __flush_itimer_signals(&tsk->signal->shared_pending); in flush_itimer_signals()
514 spin_unlock_irqrestore(&tsk->sighand->siglock, flags); in flush_itimer_signals()
549 bool unhandled_signal(struct task_struct *tsk, int sig) in unhandled_signal() argument
551 void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; in unhandled_signal()
552 if (is_global_init(tsk)) in unhandled_signal()
559 return !tsk->ptrace; in unhandled_signal()
623 int dequeue_signal(struct task_struct *tsk, sigset_t *mask, kernel_siginfo_t *info) in dequeue_signal() argument
631 signr = __dequeue_signal(&tsk->pending, mask, info, &resched_timer); in dequeue_signal()
633 signr = __dequeue_signal(&tsk->signal->shared_pending, in dequeue_signal()
650 struct hrtimer *tmr = &tsk->signal->real_timer; in dequeue_signal()
653 tsk->signal->it_real_incr != 0) { in dequeue_signal()
655 tsk->signal->it_real_incr); in dequeue_signal()
689 spin_unlock(&tsk->sighand->siglock); in dequeue_signal()
691 spin_lock(&tsk->sighand->siglock); in dequeue_signal()
703 struct task_struct *tsk = current; in dequeue_synchronous_signal() local
704 struct sigpending *pending = &tsk->pending; in dequeue_synchronous_signal()
710 if (!((pending->signal.sig[0] & ~tsk->blocked.sig[0]) & SYNCHRONOUS_MASK)) in dequeue_synchronous_signal()
1363 struct sighand_struct *__lock_task_sighand(struct task_struct *tsk, in __lock_task_sighand() argument
1370 sighand = rcu_dereference(tsk->sighand); in __lock_task_sighand()
1386 if (likely(sighand == tsk->sighand)) in __lock_task_sighand()
1905 bool do_notify_parent(struct task_struct *tsk, int sig) in do_notify_parent() argument
1916 BUG_ON(task_is_stopped_or_traced(tsk)); in do_notify_parent()
1918 BUG_ON(!tsk->ptrace && in do_notify_parent()
1919 (tsk->group_leader != tsk || !thread_group_empty(tsk))); in do_notify_parent()
1922 do_notify_pidfd(tsk); in do_notify_parent()
1929 if (tsk->parent_exec_id != tsk->parent->self_exec_id) in do_notify_parent()
1948 info.si_pid = task_pid_nr_ns(tsk, task_active_pid_ns(tsk->parent)); in do_notify_parent()
1949 info.si_uid = from_kuid_munged(task_cred_xxx(tsk->parent, user_ns), in do_notify_parent()
1950 task_uid(tsk)); in do_notify_parent()
1953 task_cputime(tsk, &utime, &stime); in do_notify_parent()
1954 info.si_utime = nsec_to_clock_t(utime + tsk->signal->utime); in do_notify_parent()
1955 info.si_stime = nsec_to_clock_t(stime + tsk->signal->stime); in do_notify_parent()
1957 info.si_status = tsk->exit_code & 0x7f; in do_notify_parent()
1958 if (tsk->exit_code & 0x80) in do_notify_parent()
1960 else if (tsk->exit_code & 0x7f) in do_notify_parent()
1964 info.si_status = tsk->exit_code >> 8; in do_notify_parent()
1967 psig = tsk->parent->sighand; in do_notify_parent()
1969 if (!tsk->ptrace && sig == SIGCHLD && in do_notify_parent()
1992 __group_send_sig_info(sig, &info, tsk->parent); in do_notify_parent()
1993 __wake_up_parent(tsk, tsk->parent); in do_notify_parent()
2012 static void do_notify_parent_cldstop(struct task_struct *tsk, in do_notify_parent_cldstop() argument
2022 parent = tsk->parent; in do_notify_parent_cldstop()
2024 tsk = tsk->group_leader; in do_notify_parent_cldstop()
2025 parent = tsk->real_parent; in do_notify_parent_cldstop()
2035 info.si_pid = task_pid_nr_ns(tsk, task_active_pid_ns(parent)); in do_notify_parent_cldstop()
2036 info.si_uid = from_kuid_munged(task_cred_xxx(parent, user_ns), task_uid(tsk)); in do_notify_parent_cldstop()
2039 task_cputime(tsk, &utime, &stime); in do_notify_parent_cldstop()
2049 info.si_status = tsk->signal->group_exit_code & 0x7f; in do_notify_parent_cldstop()
2052 info.si_status = tsk->exit_code & 0x7f; in do_notify_parent_cldstop()
2066 __wake_up_parent(tsk, parent); in do_notify_parent_cldstop()
2098 static bool sigkill_pending(struct task_struct *tsk) in sigkill_pending() argument
2100 return sigismember(&tsk->pending.signal, SIGKILL) || in sigkill_pending()
2101 sigismember(&tsk->signal->shared_pending.signal, SIGKILL); in sigkill_pending()
2783 static void retarget_shared_pending(struct task_struct *tsk, sigset_t *which) in retarget_shared_pending() argument
2788 sigandsets(&retarget, &tsk->signal->shared_pending.signal, which); in retarget_shared_pending()
2792 t = tsk; in retarget_shared_pending()
2793 while_each_thread(tsk, t) { in retarget_shared_pending()
2810 void exit_signals(struct task_struct *tsk) in exit_signals() argument
2819 cgroup_threadgroup_change_begin(tsk); in exit_signals()
2821 if (thread_group_empty(tsk) || signal_group_exit(tsk->signal)) { in exit_signals()
2822 tsk->flags |= PF_EXITING; in exit_signals()
2823 cgroup_threadgroup_change_end(tsk); in exit_signals()
2827 spin_lock_irq(&tsk->sighand->siglock); in exit_signals()
2832 tsk->flags |= PF_EXITING; in exit_signals()
2834 cgroup_threadgroup_change_end(tsk); in exit_signals()
2836 if (!signal_pending(tsk)) in exit_signals()
2839 unblocked = tsk->blocked; in exit_signals()
2841 retarget_shared_pending(tsk, &unblocked); in exit_signals()
2843 if (unlikely(tsk->jobctl & JOBCTL_STOP_PENDING) && in exit_signals()
2844 task_participate_group_stop(tsk)) in exit_signals()
2847 spin_unlock_irq(&tsk->sighand->siglock); in exit_signals()
2855 do_notify_parent_cldstop(tsk, false, group_stop); in exit_signals()
2878 static void __set_task_blocked(struct task_struct *tsk, const sigset_t *newset) in __set_task_blocked() argument
2880 if (signal_pending(tsk) && !thread_group_empty(tsk)) { in __set_task_blocked()
2884 retarget_shared_pending(tsk, &newblocked); in __set_task_blocked()
2886 tsk->blocked = *newset; in __set_task_blocked()
2905 struct task_struct *tsk = current; in __set_current_blocked() local
2911 if (sigequalsets(&tsk->blocked, newset)) in __set_current_blocked()
2914 spin_lock_irq(&tsk->sighand->siglock); in __set_current_blocked()
2915 __set_task_blocked(tsk, newset); in __set_current_blocked()
2916 spin_unlock_irq(&tsk->sighand->siglock); in __set_current_blocked()
2929 struct task_struct *tsk = current; in sigprocmask() local
2934 *oldset = tsk->blocked; in sigprocmask()
2938 sigorsets(&newset, &tsk->blocked, set); in sigprocmask()
2941 sigandnsets(&newset, &tsk->blocked, set); in sigprocmask()
3436 struct task_struct *tsk = current; in do_sigtimedwait() local
3453 spin_lock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3454 sig = dequeue_signal(tsk, &mask, info); in do_sigtimedwait()
3462 tsk->real_blocked = tsk->blocked; in do_sigtimedwait()
3463 sigandsets(&tsk->blocked, &tsk->blocked, &mask); in do_sigtimedwait()
3465 spin_unlock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3468 ret = freezable_schedule_hrtimeout_range(to, tsk->timer_slack_ns, in do_sigtimedwait()
3470 spin_lock_irq(&tsk->sighand->siglock); in do_sigtimedwait()
3471 __set_task_blocked(tsk, &tsk->real_blocked); in do_sigtimedwait()
3472 sigemptyset(&tsk->real_blocked); in do_sigtimedwait()
3473 sig = dequeue_signal(tsk, &mask, info); in do_sigtimedwait()
3475 spin_unlock_irq(&tsk->sighand->siglock); in do_sigtimedwait()