1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 *  include/linux/signalfd.h
4 *
5 *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
6 *
7 */
8
9#ifndef _UAPI_LINUX_SIGNALFD_H
10#define _UAPI_LINUX_SIGNALFD_H
11
12#include <linux/types.h>
13/* For O_CLOEXEC and O_NONBLOCK */
14#include <linux/fcntl.h>
15
16/* Flags for signalfd4.  */
17#define SFD_CLOEXEC O_CLOEXEC
18#define SFD_NONBLOCK O_NONBLOCK
19
20struct signalfd_siginfo {
21	__u32 ssi_signo;
22	__s32 ssi_errno;
23	__s32 ssi_code;
24	__u32 ssi_pid;
25	__u32 ssi_uid;
26	__s32 ssi_fd;
27	__u32 ssi_tid;
28	__u32 ssi_band;
29	__u32 ssi_overrun;
30	__u32 ssi_trapno;
31	__s32 ssi_status;
32	__s32 ssi_int;
33	__u64 ssi_ptr;
34	__u64 ssi_utime;
35	__u64 ssi_stime;
36	__u64 ssi_addr;
37	__u16 ssi_addr_lsb;
38	__u16 __pad2;
39	__s32 ssi_syscall;
40	__u64 ssi_call_addr;
41	__u32 ssi_arch;
42
43	/*
44	 * Pad strcture to 128 bytes. Remember to update the
45	 * pad size when you add new members. We use a fixed
46	 * size structure to avoid compatibility problems with
47	 * future versions, and we leave extra space for additional
48	 * members. We use fixed size members because this strcture
49	 * comes out of a read(2) and we really don't want to have
50	 * a compat on read(2).
51	 */
52	__u8 __pad[28];
53};
54
55
56
57#endif /* _UAPI_LINUX_SIGNALFD_H */
58