6 #include <linux/signal.h>
17  * Types defining task->signal and task->sighand and APIs using them:
71 	sigset_t signal;  member
90 	/* current thread group signal load-balancing target: */
93 	/* shared signal handling: */
103 	 * - everyone except group_exit_task is stopped during signal delivery
104 	 *   of fatal signals, group_exit_task processes the signal.
362 	 * TIF_NOTIFY_SIGNAL isn't really a signal, but it requires the same  in signal_pending()
364 	 * so that notify signal callbacks can be processed.  in signal_pending()
373 	return unlikely(sigismember(&p->pending.signal, SIGKILL));  in __fatal_signal_pending()
437  * This sets TIF_RESTORE_SIGMASK and ensures that the arch signal code
443  * signal code always gets run when TIF_RESTORE_SIGMASK is set.
549  * True if we are on the alternate signal stack.
554 	 * If the signal stack is SS_AUTODISARM then, by construction, we  in on_sig_stack()
555 	 * can't be on the signal stack unless user code deliberately set  in on_sig_stack()
559 	 * the stack pointer points very close to the end of the signal stack,  in on_sig_stack()
560 	 * then this check will enable the signal to be handled anyway.  in on_sig_stack()
618 #define __for_each_thread(signal, t)	\  argument
619 	list_for_each_entry_rcu(t, &(signal)->thread_head, thread_node)
622 	__for_each_thread((p)->signal, t)
638 		pid = task->signal->pids[type];  in task_pid_type()
644 	return task->signal->pids[PIDTYPE_TGID];  in task_tgid()
654 	return task->signal->pids[PIDTYPE_PGID];  in task_pgrp()
659 	return task->signal->pids[PIDTYPE_SID];  in task_session()
664 	return task->signal->nr_threads;  in get_nr_threads()
675 	return p1->signal == p2->signal;  in same_thread_group()
722 	return READ_ONCE(task->signal->rlim[limit].rlim_cur);  in task_rlimit()
728 	return READ_ONCE(task->signal->rlim[limit].rlim_max);  in task_rlimit_max()