1/* Copyright (C) 2007, 2008 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19#ifndef _SYS_SIGNALFD_H 20#define _SYS_SIGNALFD_H 1 21 22#define __need_sigset_t 23#include <signal.h> 24#include <stdint.h> 25 26 27struct signalfd_siginfo 28{ 29 uint32_t ssi_signo; 30 int32_t ssi_errno; 31 int32_t ssi_code; 32 uint32_t ssi_pid; 33 uint32_t ssi_uid; 34 int32_t ssi_fd; 35 uint32_t ssi_tid; 36 uint32_t ssi_band; 37 uint32_t ssi_overrun; 38 uint32_t ssi_trapno; 39 int32_t ssi_status; 40 int32_t ssi_int; 41 uint64_t ssi_ptr; 42 uint64_t ssi_utime; 43 uint64_t ssi_stime; 44 uint64_t ssi_addr; 45 uint8_t __pad[48]; 46}; 47 48/* Flags for signalfd. */ 49#if defined __sparc__ || defined __sparc64__ 50enum 51 { 52 SFD_CLOEXEC = 0x400000, 53# define SFD_CLOEXEC SFD_CLOEXEC 54 SFD_NONBLOCK = 0x4000 55# define SFD_NONBLOCK SFD_NONBLOCK 56 }; 57 58#elif defined __alpha__ 59enum 60 { 61 SFD_CLOEXEC = 010000000, 62# define SFD_CLOEXEC SFD_CLOEXEC 63 SFD_NONBLOCK = 04 64# define SFD_NONBLOCK SFD_NONBLOCK 65 }; 66 67#else 68enum 69 { 70 SFD_CLOEXEC = 02000000, 71# define SFD_CLOEXEC SFD_CLOEXEC 72 SFD_NONBLOCK = 04000 73# define SFD_NONBLOCK SFD_NONBLOCK 74 }; 75#endif 76 77__BEGIN_DECLS 78 79/* Request notification for delivery of signals in MASK to be 80 performed using descriptor FD.*/ 81extern int signalfd (int __fd, const sigset_t *__mask, int __flags) 82 __nonnull ((2)) __THROW; 83 84__END_DECLS 85 86#endif /* sys/signalfd.h */ 87