linux-headers (unknown)
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 _LINUX_SIGNALFD_H
10 #define _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
20 struct 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 /* _LINUX_SIGNALFD_H */
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