xref: /linux/include/uapi/linux/pidfd.h (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 
3 #ifndef _UAPI_LINUX_PIDFD_H
4 #define _UAPI_LINUX_PIDFD_H
5 
6 #include <linux/types.h>
7 #include <linux/fcntl.h>
8 #include <linux/ioctl.h>
9 
10 /* Flags for pidfd_open().  */
11 #define PIDFD_NONBLOCK	O_NONBLOCK
12 #define PIDFD_THREAD	O_EXCL
13 
14 /* Flags for pidfd_send_signal(). */
15 #define PIDFD_SIGNAL_THREAD		(1UL << 0)
16 #define PIDFD_SIGNAL_THREAD_GROUP	(1UL << 1)
17 #define PIDFD_SIGNAL_PROCESS_GROUP	(1UL << 2)
18 
19 #define PIDFS_IOCTL_MAGIC 0xFF
20 
21 #define PIDFD_GET_CGROUP_NAMESPACE            _IO(PIDFS_IOCTL_MAGIC, 1)
22 #define PIDFD_GET_IPC_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 2)
23 #define PIDFD_GET_MNT_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 3)
24 #define PIDFD_GET_NET_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 4)
25 #define PIDFD_GET_PID_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 5)
26 #define PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE  _IO(PIDFS_IOCTL_MAGIC, 6)
27 #define PIDFD_GET_TIME_NAMESPACE              _IO(PIDFS_IOCTL_MAGIC, 7)
28 #define PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE _IO(PIDFS_IOCTL_MAGIC, 8)
29 #define PIDFD_GET_USER_NAMESPACE              _IO(PIDFS_IOCTL_MAGIC, 9)
30 #define PIDFD_GET_UTS_NAMESPACE               _IO(PIDFS_IOCTL_MAGIC, 10)
31 
32 #endif /* _UAPI_LINUX_PIDFD_H */
33