Lines Matching refs:tsk
145 static void __exit_signal(struct task_struct *tsk) in __exit_signal() argument
147 struct signal_struct *sig = tsk->signal; in __exit_signal()
148 bool group_dead = thread_group_leader(tsk); in __exit_signal()
153 sighand = rcu_dereference_check(tsk->sighand, in __exit_signal()
158 posix_cpu_timers_exit(tsk); in __exit_signal()
160 posix_cpu_timers_exit_group(tsk); in __exit_signal()
174 if (tsk == sig->curr_target) in __exit_signal()
175 sig->curr_target = next_thread(tsk); in __exit_signal()
178 add_device_randomness((const void*) &tsk->se.sum_exec_runtime, in __exit_signal()
187 task_cputime(tsk, &utime, &stime); in __exit_signal()
191 sig->gtime += task_gtime(tsk); in __exit_signal()
192 sig->min_flt += tsk->min_flt; in __exit_signal()
193 sig->maj_flt += tsk->maj_flt; in __exit_signal()
194 sig->nvcsw += tsk->nvcsw; in __exit_signal()
195 sig->nivcsw += tsk->nivcsw; in __exit_signal()
196 sig->inblock += task_io_get_inblock(tsk); in __exit_signal()
197 sig->oublock += task_io_get_oublock(tsk); in __exit_signal()
198 task_io_accounting_add(&sig->ioac, &tsk->ioac); in __exit_signal()
199 sig->sum_sched_runtime += tsk->se.sum_exec_runtime; in __exit_signal()
201 __unhash_process(tsk, group_dead); in __exit_signal()
208 flush_sigqueue(&tsk->pending); in __exit_signal()
209 tsk->sighand = NULL; in __exit_signal()
213 clear_tsk_thread_flag(tsk, TIF_SIGPENDING); in __exit_signal()
222 struct task_struct *tsk = container_of(rhp, struct task_struct, rcu); in delayed_put_task_struct() local
224 kprobe_flush_task(tsk); in delayed_put_task_struct()
225 rethook_flush_task(tsk); in delayed_put_task_struct()
226 perf_event_delayed_put(tsk); in delayed_put_task_struct()
227 trace_sched_process_free(tsk); in delayed_put_task_struct()
228 put_task_struct(tsk); in delayed_put_task_struct()
375 kill_orphaned_pgrp(struct task_struct *tsk, struct task_struct *parent) in kill_orphaned_pgrp() argument
377 struct pid *pgrp = task_pgrp(tsk); in kill_orphaned_pgrp()
378 struct task_struct *ignored_task = tsk; in kill_orphaned_pgrp()
384 parent = tsk->real_parent; in kill_orphaned_pgrp()
392 task_session(parent) == task_session(tsk) && in kill_orphaned_pgrp()
400 static void coredump_task_exit(struct task_struct *tsk) in coredump_task_exit() argument
411 spin_lock_irq(&tsk->sighand->siglock); in coredump_task_exit()
412 tsk->flags |= PF_POSTCOREDUMP; in coredump_task_exit()
413 core_state = tsk->signal->core_state; in coredump_task_exit()
414 spin_unlock_irq(&tsk->sighand->siglock); in coredump_task_exit()
442 static bool __try_to_set_owner(struct task_struct *tsk, struct mm_struct *mm) in __try_to_set_owner() argument
446 task_lock(tsk); in __try_to_set_owner()
447 if (likely(tsk->mm == mm)) { in __try_to_set_owner()
450 WRITE_ONCE(mm->owner, tsk); in __try_to_set_owner()
454 task_unlock(tsk); in __try_to_set_owner()
731 static void exit_notify(struct task_struct *tsk, int group_dead) in exit_notify() argument
738 forget_original_parent(tsk, &dead); in exit_notify()
741 kill_orphaned_pgrp(tsk->group_leader, NULL); in exit_notify()
743 tsk->exit_state = EXIT_ZOMBIE; in exit_notify()
748 if (!thread_group_empty(tsk)) in exit_notify()
749 do_notify_pidfd(tsk); in exit_notify()
751 if (unlikely(tsk->ptrace)) { in exit_notify()
752 int sig = thread_group_leader(tsk) && in exit_notify()
753 thread_group_empty(tsk) && in exit_notify()
754 !ptrace_reparented(tsk) ? in exit_notify()
755 tsk->exit_signal : SIGCHLD; in exit_notify()
756 autoreap = do_notify_parent(tsk, sig); in exit_notify()
757 } else if (thread_group_leader(tsk)) { in exit_notify()
758 autoreap = thread_group_empty(tsk) && in exit_notify()
759 do_notify_parent(tsk, tsk->exit_signal); in exit_notify()
765 tsk->exit_state = EXIT_DEAD; in exit_notify()
766 list_add(&tsk->ptrace_entry, &dead); in exit_notify()
770 if (unlikely(tsk->signal->notify_count < 0)) in exit_notify()
771 wake_up_process(tsk->signal->group_exec_task); in exit_notify()
861 static void synchronize_group_exit(struct task_struct *tsk, long code) in synchronize_group_exit() argument
863 struct sighand_struct *sighand = tsk->sighand; in synchronize_group_exit()
864 struct signal_struct *signal = tsk->signal; in synchronize_group_exit()
879 struct task_struct *tsk = current; in do_exit() local
884 synchronize_group_exit(tsk, code); in do_exit()
886 WARN_ON(tsk->plug); in do_exit()
888 kcov_task_exit(tsk); in do_exit()
889 kmsan_task_exit(tsk); in do_exit()
891 coredump_task_exit(tsk); in do_exit()
893 user_events_exit(tsk); in do_exit()
896 exit_signals(tsk); /* sets PF_EXITING */ in do_exit()
898 seccomp_filter_release(tsk); in do_exit()
900 acct_update_integrals(tsk); in do_exit()
901 group_dead = atomic_dec_and_test(&tsk->signal->live); in do_exit()
907 if (unlikely(is_global_init(tsk))) in do_exit()
909 tsk->signal->group_exit_code ?: (int)code); in do_exit()
912 hrtimer_cancel(&tsk->signal->real_timer); in do_exit()
913 exit_itimers(tsk); in do_exit()
915 if (tsk->mm) in do_exit()
916 setmax_mm_hiwater_rss(&tsk->signal->maxrss, tsk->mm); in do_exit()
921 audit_free(tsk); in do_exit()
923 tsk->exit_code = code; in do_exit()
924 taskstats_exit(tsk, group_dead); in do_exit()
930 trace_sched_process_exit(tsk); in do_exit()
932 exit_sem(tsk); in do_exit()
933 exit_shm(tsk); in do_exit()
934 exit_files(tsk); in do_exit()
935 exit_fs(tsk); in do_exit()
938 exit_task_namespaces(tsk); in do_exit()
939 exit_task_work(tsk); in do_exit()
940 exit_thread(tsk); in do_exit()
948 perf_event_exit_task(tsk); in do_exit()
950 sched_autogroup_exit_task(tsk); in do_exit()
951 cgroup_exit(tsk); in do_exit()
956 flush_ptrace_hw_breakpoint(tsk); in do_exit()
959 exit_notify(tsk, group_dead); in do_exit()
960 proc_exit_connector(tsk); in do_exit()
961 mpol_put_task_policy(tsk); in do_exit()
971 if (tsk->io_context) in do_exit()
972 exit_io_context(tsk); in do_exit()
974 if (tsk->splice_pipe) in do_exit()
975 free_pipe_info(tsk->splice_pipe); in do_exit()
977 if (tsk->task_frag.page) in do_exit()
978 put_page(tsk->task_frag.page); in do_exit()
980 exit_task_stack_account(tsk); in do_exit()
984 if (tsk->nr_dirtied) in do_exit()
985 __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied); in do_exit()
989 lockdep_free_task(tsk); in do_exit()
1004 struct task_struct *tsk = current; in make_task_dead() local
1009 if (unlikely(!tsk->pid)) in make_task_dead()
1042 if (unlikely(tsk->flags & PF_EXITING)) { in make_task_dead()
1044 futex_exit_recursive(tsk); in make_task_dead()
1045 tsk->exit_state = EXIT_DEAD; in make_task_dead()
1046 refcount_inc(&tsk->rcu_users); in make_task_dead()
1535 static int do_wait_thread(struct wait_opts *wo, struct task_struct *tsk) in do_wait_thread() argument
1539 list_for_each_entry(p, &tsk->children, sibling) { in do_wait_thread()
1549 static int ptrace_do_wait(struct wait_opts *wo, struct task_struct *tsk) in ptrace_do_wait() argument
1553 list_for_each_entry(p, &tsk->ptraced, ptrace_entry) { in ptrace_do_wait()
1655 struct task_struct *tsk = current; in __do_wait() local
1658 retval = do_wait_thread(wo, tsk); in __do_wait()
1662 retval = ptrace_do_wait(wo, tsk); in __do_wait()
1668 } while_each_thread(current, tsk); in __do_wait()