270 static int will_become_orphaned_pgrp(struct pid *pgrp,  in will_become_orphaned_pgrp()
300 static bool has_stopped_jobs(struct pid *pgrp)  in has_stopped_jobs()
320 	struct pid *pgrp = task_pgrp(tsk);  in kill_orphaned_pgrp()
723 	if (unlikely(!tsk->pid))  in do_exit()
916 	pid_t pid;  member
925 	struct pid		*wo_pid;
977 	pid_t pid = task_pid_vnr(p);  in wait_task_zombie()  local
1096 		infop->pid = pid;  in wait_task_zombie()
1100 	return pid;  in wait_task_zombie()
1139 	pid_t pid;  in wait_task_stopped()  local
1178 	pid = task_pid_vnr(p);  in wait_task_stopped()
1193 		infop->pid = pid;  in wait_task_stopped()
1196 	return pid;  in wait_task_stopped()
1208 	pid_t pid;  in wait_task_continued()  local
1228 	pid = task_pid_vnr(p);  in wait_task_continued()
1241 		infop->pid = pid;  in wait_task_continued()
1245 	return pid;  in wait_task_continued()
1473 static struct pid *pidfd_get_pid(unsigned int fd)  in pidfd_get_pid()
1476 	struct pid *pid;  in pidfd_get_pid()  local
1482 	pid = pidfd_pid(f.file);  in pidfd_get_pid()
1483 	if (!IS_ERR(pid))  in pidfd_get_pid()
1484 		get_pid(pid);  in pidfd_get_pid()
1487 	return pid;  in pidfd_get_pid()
1494 	struct pid *pid = NULL;  in kernel_waitid()  local
1513 		pid = find_get_pid(upid);  in kernel_waitid()
1521 			pid = find_get_pid(upid);  in kernel_waitid()
1523 			pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_waitid()
1530 		pid = pidfd_get_pid(upid);  in kernel_waitid()
1531 		if (IS_ERR(pid))  in kernel_waitid()
1532 			return PTR_ERR(pid);  in kernel_waitid()
1539 	wo.wo_pid	= pid;  in kernel_waitid()
1545 	put_pid(pid);  in kernel_waitid()
1572 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in SYSCALL_DEFINE5()
1586 	struct pid *pid = NULL;  in kernel_wait4()  local
1602 		pid = find_get_pid(-upid);  in kernel_wait4()
1605 		pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_wait4()
1608 		pid = find_get_pid(upid);  in kernel_wait4()
1612 	wo.wo_pid	= pid;  in kernel_wait4()
1618 	put_pid(pid);  in kernel_wait4()
1644 SYSCALL_DEFINE3(waitpid, pid_t, pid, int __user *, stat_addr, int, options)  in SYSCALL_DEFINE3()  argument
1646 	return kernel_wait4(pid, stat_addr, options, NULL);  in SYSCALL_DEFINE3()
1653 	compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE4()  argument
1659 	long err = kernel_wait4(pid, stat_addr, options, ru ? &r : NULL);  in COMPAT_SYSCALL_DEFINE4()
1668 		int, which, compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE5()  argument
1674 	long err = kernel_waitid(which, pid, &info, options, uru ? &ru : NULL);  in COMPAT_SYSCALL_DEFINE5()
1699 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in COMPAT_SYSCALL_DEFINE5()