// 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