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 | |
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 /* _UAPI_LINUX_SIGNALFD_H */ |
58 | |