/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

#ifndef _LINUX_PIDFD_H
#define _LINUX_PIDFD_H

#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/ioctl.h>

/* Flags for pidfd_open().  */
#define PIDFD_NONBLOCK	O_NONBLOCK
#define PIDFD_THREAD	O_EXCL

/* Flags for pidfd_send_signal(). */
#define PIDFD_SIGNAL_THREAD		(1UL << 0)
#define PIDFD_SIGNAL_THREAD_GROUP	(1UL << 1)
#define PIDFD_SIGNAL_PROCESS_GROUP	(1UL << 2)

#define PIDFS_IOCTL_MAGIC 0xFF

#define PIDFD_GET_CGROUP_NAMESPACE            _IO(PIDFS_IOCTL_MAGIC, 1)
#define PIDFD_GET_IPC_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 2)
#define PIDFD_GET_MNT_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 3)
#define PIDFD_GET_NET_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 4)
#define PIDFD_GET_PID_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 5)
#define PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE  _IO(PIDFS_IOCTL_MAGIC, 6)
#define PIDFD_GET_TIME_NAMESPACE              _IO(PIDFS_IOCTL_MAGIC, 7)
#define PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 8)
#define PIDFD_GET_USER_NAMESPACE              _IO(PIDFS_IOCTL_MAGIC, 9)
#define PIDFD_GET_UTS_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 10)

#endif /* _LINUX_PIDFD_H */