// SPDX-License-Identifier: GPL-2.0-only#ifndef LINUX_WAITID_H#define LINUX_WAITID_H struct waitid_info {	pid_t pid;	uid_t uid;	int status;	int cause;}; struct wait_opts {	enum pid_type		wo_type;	int			wo_flags;	struct pid		*wo_pid; 	struct waitid_info	*wo_info;	int			wo_stat;	struct rusage		*wo_rusage; 	wait_queue_entry_t		child_wait;	int			notask_error;}; bool pid_child_should_wake(struct wait_opts *wo, struct task_struct *p);long __do_wait(struct wait_opts *wo);int kernel_waitid_prepare(struct wait_opts *wo, int which, pid_t upid,			  struct waitid_info *infop, int options,			  struct rusage *ru);#endif