243 	struct pid *thread_pid;  in release_task()
327 static int will_become_orphaned_pgrp(struct pid *pgrp,  in will_become_orphaned_pgrp()
357 static bool has_stopped_jobs(struct pid *pgrp)  in has_stopped_jobs()
377 	struct pid *pgrp = task_pgrp(tsk);  in kill_orphaned_pgrp()
946 	if (unlikely(!tsk->pid))  in make_task_dead()
1042 	pid_t pid;  member
1051 	struct pid		*wo_pid;
1103 	pid_t pid = task_pid_vnr(p);  in wait_task_zombie()  local
1223 		infop->pid = pid;  in wait_task_zombie()
1227 	return pid;  in wait_task_zombie()
1266 	pid_t pid;  in wait_task_stopped()  local
1305 	pid = task_pid_vnr(p);  in wait_task_stopped()
1320 		infop->pid = pid;  in wait_task_stopped()
1323 	return pid;  in wait_task_stopped()
1335 	pid_t pid;  in wait_task_continued()  local
1355 	pid = task_pid_vnr(p);  in wait_task_continued()
1368 		infop->pid = pid;  in wait_task_continued()
1372 	return pid;  in wait_task_continued()
1651 	struct pid *pid = NULL;  in kernel_waitid()  local
1671 		pid = find_get_pid(upid);  in kernel_waitid()
1679 			pid = find_get_pid(upid);  in kernel_waitid()
1681 			pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_waitid()
1688 		pid = pidfd_get_pid(upid, &f_flags);  in kernel_waitid()
1689 		if (IS_ERR(pid))  in kernel_waitid()
1690 			return PTR_ERR(pid);  in kernel_waitid()
1698 	wo.wo_pid	= pid;  in kernel_waitid()
1709 	put_pid(pid);  in kernel_waitid()
1736 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in SYSCALL_DEFINE5()
1750 	struct pid *pid = NULL;  in kernel_wait4()  local
1766 		pid = find_get_pid(-upid);  in kernel_wait4()
1769 		pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_wait4()
1772 		pid = find_get_pid(upid);  in kernel_wait4()
1776 	wo.wo_pid	= pid;  in kernel_wait4()
1782 	put_pid(pid);  in kernel_wait4()
1789 int kernel_wait(pid_t pid, int *stat)  in kernel_wait()  argument
1793 		.wo_pid		= find_get_pid(pid),  in kernel_wait()
1824 SYSCALL_DEFINE3(waitpid, pid_t, pid, int __user *, stat_addr, int, options)  in SYSCALL_DEFINE3()  argument
1826 	return kernel_wait4(pid, stat_addr, options, NULL);  in SYSCALL_DEFINE3()
1833 	compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE4()  argument
1839 	long err = kernel_wait4(pid, stat_addr, options, ru ? &r : NULL);  in COMPAT_SYSCALL_DEFINE4()
1848 		int, which, compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE5()  argument
1854 	long err = kernel_waitid(which, pid, &info, options, uru ? &ru : NULL);  in COMPAT_SYSCALL_DEFINE5()
1879 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in COMPAT_SYSCALL_DEFINE5()
1899 bool thread_group_exited(struct pid *pid)  in thread_group_exited()  argument
1905 	task = pid_task(pid, PIDTYPE_PID);  in thread_group_exited()