1#ifndef _CRIS_SIGINFO_H 2#define _CRIS_SIGINFO_H 3 4#include <linux/types.h> 5 6/* This is copied from asm-m68k/siginfo.h. */ 7 8typedef union sigval { 9 int sival_int; 10 void *sival_ptr; 11} sigval_t; 12 13#define SI_MAX_SIZE 128 14#define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3) 15 16typedef struct siginfo { 17 int si_signo; 18 int si_errno; 19 int si_code; 20 21 union { 22 int _pad[SI_PAD_SIZE]; 23 24 /* kill() */ 25 struct { 26 pid_t _pid; /* sender's pid */ 27 uid_t _uid; /* sender's uid */ 28 } _kill; 29 30 /* POSIX.1b timers */ 31 struct { 32 unsigned int _timer1; 33 unsigned int _timer2; 34 } _timer; 35 36 /* POSIX.1b signals */ 37 struct { 38 pid_t _pid; /* sender's pid */ 39 uid_t _uid; /* sender's uid */ 40 sigval_t _sigval; 41 } _rt; 42 43 /* SIGCHLD */ 44 struct { 45 pid_t _pid; /* which child */ 46 uid_t _uid; /* sender's uid */ 47 int _status; /* exit code */ 48 clock_t _utime; 49 clock_t _stime; 50 } _sigchld; 51 52 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 53 struct { 54 void *_addr; /* faulting insn/memory ref. */ 55 } _sigfault; 56 57 /* SIGPOLL */ 58 struct { 59 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 60 int _fd; 61 } _sigpoll; 62 } _sifields; 63} siginfo_t; 64 65/* 66 * How these fields are to be accessed. 67 */ 68#define si_pid _sifields._kill._pid 69#define si_uid _sifields._kill._uid 70#define si_status _sifields._sigchld._status 71#define si_utime _sifields._sigchld._utime 72#define si_stime _sifields._sigchld._stime 73#define si_value _sifields._rt._sigval 74#define si_int _sifields._rt._sigval.sival_int 75#define si_ptr _sifields._rt._sigval.sival_ptr 76#define si_addr _sifields._sigfault._addr 77#define si_band _sifields._sigpoll._band 78#define si_fd _sifields._sigpoll._fd 79 80#ifdef __KERNEL__ 81#define __SI_MASK 0xffff0000 82#define __SI_KILL (0 << 16) 83#define __SI_TIMER (1 << 16) 84#define __SI_POLL (2 << 16) 85#define __SI_FAULT (3 << 16) 86#define __SI_CHLD (4 << 16) 87#define __SI_RT (5 << 16) 88#define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff)) 89#else 90#define __SI_KILL 0 91#define __SI_TIMER 0 92#define __SI_POLL 0 93#define __SI_FAULT 0 94#define __SI_CHLD 0 95#define __SI_RT 0 96#define __SI_CODE(T,N) (N) 97#endif 98 99/* 100 * si_code values 101 * Digital reserves positive values for kernel-generated signals. 102 */ 103#define SI_USER 0 /* sent by kill, sigsend, raise */ 104#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */ 105#define SI_QUEUE -1 /* sent by sigqueue */ 106#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */ 107#define SI_MESGQ -3 /* sent by real time mesq state change */ 108#define SI_ASYNCIO -4 /* sent by AIO completion */ 109#define SI_SIGIO -5 /* sent by queued SIGIO */ 110#define SI_TKILL -6 /* sent by tkill system call */ 111 112#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) 113#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) 114 115/* 116 * SIGILL si_codes 117 */ 118#define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */ 119#define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */ 120#define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */ 121#define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */ 122#define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */ 123#define ILL_PRVREG (__SI_FAULT|6) /* privileged register */ 124#define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */ 125#define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */ 126#define NSIGILL 8 127 128/* 129 * SIGFPE si_codes 130 */ 131#define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */ 132#define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */ 133#define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */ 134#define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */ 135#define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */ 136#define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */ 137#define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */ 138#define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */ 139#define NSIGFPE 8 140 141/* 142 * SIGSEGV si_codes 143 */ 144#define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */ 145#define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */ 146#define NSIGSEGV 2 147 148/* 149 * SIGBUS si_codes 150 */ 151#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */ 152#define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */ 153#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */ 154#define NSIGBUS 3 155 156/* 157 * SIGTRAP si_codes 158 */ 159#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ 160#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ 161#define NSIGTRAP 2 162 163/* 164 * SIGCHLD si_codes 165 */ 166#define CLD_EXITED (__SI_CHLD|1) /* child has exited */ 167#define CLD_KILLED (__SI_CHLD|2) /* child was killed */ 168#define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */ 169#define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */ 170#define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */ 171#define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */ 172#define NSIGCHLD 6 173 174/* 175 * SIGPOLL si_codes 176 */ 177#define POLL_IN (__SI_POLL|1) /* data input available */ 178#define POLL_OUT (__SI_POLL|2) /* output buffers available */ 179#define POLL_MSG (__SI_POLL|3) /* input message available */ 180#define POLL_ERR (__SI_POLL|4) /* i/o error */ 181#define POLL_PRI (__SI_POLL|5) /* high priority input available */ 182#define POLL_HUP (__SI_POLL|6) /* device disconnected */ 183#define NSIGPOLL 6 184 185/* 186 * sigevent definitions 187 * 188 * It seems likely that SIGEV_THREAD will have to be handled from 189 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the 190 * thread manager then catches and does the appropriate nonsense. 191 * However, everything is written out here so as to not get lost. 192 */ 193#define SIGEV_SIGNAL 0 /* notify via signal */ 194#define SIGEV_NONE 1 /* other notification: meaningless */ 195#define SIGEV_THREAD 2 /* deliver via thread creation */ 196 197#define SIGEV_MAX_SIZE 64 198#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 199 200typedef struct sigevent { 201 sigval_t sigev_value; 202 int sigev_signo; 203 int sigev_notify; 204 union { 205 int _pad[SIGEV_PAD_SIZE]; 206 207 struct { 208 void (*_function)(sigval_t); 209 void *_attribute; /* really pthread_attr_t */ 210 } _sigev_thread; 211 } _sigev_un; 212} sigevent_t; 213 214#define sigev_notify_function _sigev_un._sigev_thread._function 215#define sigev_notify_attributes _sigev_un._sigev_thread._attribute 216 217#ifdef __KERNEL__ 218#include <linux/string.h> 219 220extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from) 221{ 222 if (from->si_code < 0) 223 memcpy(to, from, sizeof(siginfo_t)); 224 else 225 /* _sigchld is currently the largest know union member */ 226 memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); 227} 228 229extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from); 230 231#endif /* __KERNEL__ */ 232 233#endif 234