1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker /* 3*f80ad8b4SAndroid Build Coastguard Worker * include/linux/signalfd.h 4*f80ad8b4SAndroid Build Coastguard Worker * 5*f80ad8b4SAndroid Build Coastguard Worker * Copyright (C) 2007 Davide Libenzi <[email protected]> 6*f80ad8b4SAndroid Build Coastguard Worker * 7*f80ad8b4SAndroid Build Coastguard Worker */ 8*f80ad8b4SAndroid Build Coastguard Worker 9*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI_LINUX_SIGNALFD_H 10*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI_LINUX_SIGNALFD_H 11*f80ad8b4SAndroid Build Coastguard Worker 12*f80ad8b4SAndroid Build Coastguard Worker #include <linux/types.h> 13*f80ad8b4SAndroid Build Coastguard Worker /* For O_CLOEXEC and O_NONBLOCK */ 14*f80ad8b4SAndroid Build Coastguard Worker #include <linux/fcntl.h> 15*f80ad8b4SAndroid Build Coastguard Worker 16*f80ad8b4SAndroid Build Coastguard Worker /* Flags for signalfd4. */ 17*f80ad8b4SAndroid Build Coastguard Worker #define SFD_CLOEXEC O_CLOEXEC 18*f80ad8b4SAndroid Build Coastguard Worker #define SFD_NONBLOCK O_NONBLOCK 19*f80ad8b4SAndroid Build Coastguard Worker 20*f80ad8b4SAndroid Build Coastguard Worker struct signalfd_siginfo { 21*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_signo; 22*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_errno; 23*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_code; 24*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_pid; 25*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_uid; 26*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_fd; 27*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_tid; 28*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_band; 29*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_overrun; 30*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_trapno; 31*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_status; 32*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_int; 33*f80ad8b4SAndroid Build Coastguard Worker __u64 ssi_ptr; 34*f80ad8b4SAndroid Build Coastguard Worker __u64 ssi_utime; 35*f80ad8b4SAndroid Build Coastguard Worker __u64 ssi_stime; 36*f80ad8b4SAndroid Build Coastguard Worker __u64 ssi_addr; 37*f80ad8b4SAndroid Build Coastguard Worker __u16 ssi_addr_lsb; 38*f80ad8b4SAndroid Build Coastguard Worker __u16 __pad2; 39*f80ad8b4SAndroid Build Coastguard Worker __s32 ssi_syscall; 40*f80ad8b4SAndroid Build Coastguard Worker __u64 ssi_call_addr; 41*f80ad8b4SAndroid Build Coastguard Worker __u32 ssi_arch; 42*f80ad8b4SAndroid Build Coastguard Worker 43*f80ad8b4SAndroid Build Coastguard Worker /* 44*f80ad8b4SAndroid Build Coastguard Worker * Pad strcture to 128 bytes. Remember to update the 45*f80ad8b4SAndroid Build Coastguard Worker * pad size when you add new members. We use a fixed 46*f80ad8b4SAndroid Build Coastguard Worker * size structure to avoid compatibility problems with 47*f80ad8b4SAndroid Build Coastguard Worker * future versions, and we leave extra space for additional 48*f80ad8b4SAndroid Build Coastguard Worker * members. We use fixed size members because this strcture 49*f80ad8b4SAndroid Build Coastguard Worker * comes out of a read(2) and we really don't want to have 50*f80ad8b4SAndroid Build Coastguard Worker * a compat on read(2). 51*f80ad8b4SAndroid Build Coastguard Worker */ 52*f80ad8b4SAndroid Build Coastguard Worker __u8 __pad[28]; 53*f80ad8b4SAndroid Build Coastguard Worker }; 54*f80ad8b4SAndroid Build Coastguard Worker 55*f80ad8b4SAndroid Build Coastguard Worker 56*f80ad8b4SAndroid Build Coastguard Worker 57*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI_LINUX_SIGNALFD_H */ 58