1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle 7 * Copyright (C) 2000, 2001 Silicon Graphics, Inc. 8 */ 9 #ifndef _ASM_SIGINFO_H 10 #define _ASM_SIGINFO_H 11 12 13 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int)) 14 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */ 15 16 #define HAVE_ARCH_SIGINFO_T 17 18 /* 19 * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked 20 * by design ... 21 */ 22 #define HAVE_ARCH_COPY_SIGINFO 23 struct siginfo; 24 25 /* 26 * Careful to keep union _sifields from shifting ... 27 */ 28 #ifdef CONFIG_32BIT 29 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int)) 30 #endif 31 #ifdef CONFIG_64BIT 32 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) 33 #endif 34 35 #include <asm-generic/siginfo.h> 36 37 typedef struct siginfo { 38 int si_signo; 39 int si_code; 40 int si_errno; 41 int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3]; 42 43 union { 44 int _pad[SI_PAD_SIZE]; 45 46 /* kill() */ 47 struct { 48 pid_t _pid; /* sender's pid */ 49 __ARCH_SI_UID_T _uid; /* sender's uid */ 50 } _kill; 51 52 /* POSIX.1b timers */ 53 struct { 54 timer_t _tid; /* timer id */ 55 int _overrun; /* overrun count */ 56 char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)]; 57 sigval_t _sigval; /* same as below */ 58 int _sys_private; /* not to be passed to user */ 59 } _timer; 60 61 /* POSIX.1b signals */ 62 struct { 63 pid_t _pid; /* sender's pid */ 64 __ARCH_SI_UID_T _uid; /* sender's uid */ 65 sigval_t _sigval; 66 } _rt; 67 68 /* SIGCHLD */ 69 struct { 70 pid_t _pid; /* which child */ 71 __ARCH_SI_UID_T _uid; /* sender's uid */ 72 int _status; /* exit code */ 73 clock_t _utime; 74 clock_t _stime; 75 } _sigchld; 76 77 /* IRIX SIGCHLD */ 78 struct { 79 pid_t _pid; /* which child */ 80 clock_t _utime; 81 int _status; /* exit code */ 82 clock_t _stime; 83 } _irix_sigchld; 84 85 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 86 struct { 87 void __user *_addr; /* faulting insn/memory ref. */ 88 #ifdef __ARCH_SI_TRAPNO 89 int _trapno; /* TRAP # which caused the signal */ 90 #endif 91 } _sigfault; 92 93 /* SIGPOLL, SIGXFSZ (To do ...) */ 94 struct { 95 __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 96 int _fd; 97 } _sigpoll; 98 } _sifields; 99 } siginfo_t; 100 101 /* 102 * si_code values 103 * Again these have been choosen to be IRIX compatible. 104 */ 105 #undef SI_ASYNCIO 106 #undef SI_TIMER 107 #undef SI_MESGQ 108 #define SI_ASYNCIO -2 /* sent by AIO completion */ 109 #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */ 110 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */ 111 112 #ifdef __KERNEL__ 113 114 /* 115 * Duplicated here because of <asm-generic/siginfo.h> braindamage ... 116 */ 117 #include <linux/string.h> 118 119 static inline void copy_siginfo(struct siginfo *to, struct siginfo *from) 120 { 121 if (from->si_code < 0) 122 memcpy(to, from, sizeof(*to)); 123 else 124 /* _sigchld is currently the largest know union member */ 125 memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); 126 } 127 128 #endif 129 130 #endif /* _ASM_SIGINFO_H */ 131
