1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/linux/signalfd.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef _UAPI_LINUX_SIGNALFD_H 10*4882a593Smuzhiyun #define _UAPI_LINUX_SIGNALFD_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/types.h> 13*4882a593Smuzhiyun /* For O_CLOEXEC and O_NONBLOCK */ 14*4882a593Smuzhiyun #include <linux/fcntl.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Flags for signalfd4. */ 17*4882a593Smuzhiyun #define SFD_CLOEXEC O_CLOEXEC 18*4882a593Smuzhiyun #define SFD_NONBLOCK O_NONBLOCK 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct signalfd_siginfo { 21*4882a593Smuzhiyun __u32 ssi_signo; 22*4882a593Smuzhiyun __s32 ssi_errno; 23*4882a593Smuzhiyun __s32 ssi_code; 24*4882a593Smuzhiyun __u32 ssi_pid; 25*4882a593Smuzhiyun __u32 ssi_uid; 26*4882a593Smuzhiyun __s32 ssi_fd; 27*4882a593Smuzhiyun __u32 ssi_tid; 28*4882a593Smuzhiyun __u32 ssi_band; 29*4882a593Smuzhiyun __u32 ssi_overrun; 30*4882a593Smuzhiyun __u32 ssi_trapno; 31*4882a593Smuzhiyun __s32 ssi_status; 32*4882a593Smuzhiyun __s32 ssi_int; 33*4882a593Smuzhiyun __u64 ssi_ptr; 34*4882a593Smuzhiyun __u64 ssi_utime; 35*4882a593Smuzhiyun __u64 ssi_stime; 36*4882a593Smuzhiyun __u64 ssi_addr; 37*4882a593Smuzhiyun __u16 ssi_addr_lsb; 38*4882a593Smuzhiyun __u16 __pad2; 39*4882a593Smuzhiyun __s32 ssi_syscall; 40*4882a593Smuzhiyun __u64 ssi_call_addr; 41*4882a593Smuzhiyun __u32 ssi_arch; 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun /* 44*4882a593Smuzhiyun * Pad strcture to 128 bytes. Remember to update the 45*4882a593Smuzhiyun * pad size when you add new members. We use a fixed 46*4882a593Smuzhiyun * size structure to avoid compatibility problems with 47*4882a593Smuzhiyun * future versions, and we leave extra space for additional 48*4882a593Smuzhiyun * members. We use fixed size members because this strcture 49*4882a593Smuzhiyun * comes out of a read(2) and we really don't want to have 50*4882a593Smuzhiyun * a compat on read(2). 51*4882a593Smuzhiyun */ 52*4882a593Smuzhiyun __u8 __pad[28]; 53*4882a593Smuzhiyun }; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif /* _UAPI_LINUX_SIGNALFD_H */ 58