| Greg Kroah-Hartman | 6f52b16 | 2017-11-01 15:08:43 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 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; |
| Eric W. Biederman | 76b7f67 | 2018-04-24 20:48:32 -0500 | [diff] [blame] | 38 | __u16 __pad2; |
| 39 | __s32 ssi_syscall; |
| 40 | __u64 ssi_call_addr; |
| 41 | __u32 ssi_arch; |
| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 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 | */ |
| Eric W. Biederman | 76b7f67 | 2018-04-24 20:48:32 -0500 | [diff] [blame] | 52 | __u8 __pad[28]; |
| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 53 | }; |
| 54 | |
| 55 | |
| 56 | |
| 57 | #endif /* _UAPI_LINUX_SIGNALFD_H */ |