1#ifndef _M68K_SIGINFO_H 2#define _M68K_SIGINFO_H 3 4#include <linux/types.h> 5 6/* This is copied from asm-alpha/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 __kernel_pid_t _pid; /* sender's pid */ 27 __kernel_uid_t _uid; /* backwards compatibility */ 28 __kernel_uid32_t _uid32; /* sender's uid */ 29 } _kill; 30 31 /* POSIX.1b timers */ 32 struct { 33 unsigned int _timer1; 34 unsigned int _timer2; 35 } _timer; 36 37 /* POSIX.1b signals */ 38 struct { 39 __kernel_pid_t _pid; /* sender's pid */ 40 __kernel_uid_t _uid; /* backwards compatibility */ 41 sigval_t _sigval; 42 __kernel_uid32_t _uid32; /* sender's uid */ 43 } _rt; 44 45 /* SIGCHLD */ 46 struct { 47 __kernel_pid_t _pid; /* which child */ 48 __kernel_uid_t _uid; /* backwards compatibility */ 49 int _status; /* exit code */ 50 clock_t _utime; 51 clock_t _stime; 52 __kernel_uid32_t _uid32; /* sender's uid */ 53 } _sigchld; 54 55 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 56 struct { 57 void *_addr; /* faulting insn/memory ref. */ 58 } _sigfault; 59 60 /* SIGPOLL */ 61 struct { 62 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 63 int _fd; 64 } _sigpoll; 65 } _sifields; 66} siginfo_t; 67 68#define UID16_SIGINFO_COMPAT_NEEDED 69 70/* 71 * How these fields are to be accessed. 72 */ 73#define si_pid _sifields._kill._pid 74#ifdef __KERNEL__ 75#define si_uid _sifields._kill._uid32 76#define si_uid16 _sifields._kill._uid 77#else 78#define si_uid _sifields._kill._uid 79#endif /* __KERNEL__ */ 80#define si_status _sifields._sigchld._status 81#define si_utime _sifields._sigchld._utime 82#define si_stime _sifields._sigchld._stime 83#define si_value _sifields._rt._sigval 84#define si_int _sifields._rt._sigval.sival_int 85#define si_ptr _sifields._rt._sigval.sival_ptr 86#define si_addr _sifields._sigfault._addr 87#define si_band _sifields._sigpoll._band 88#define si_fd _sifields._sigpoll._fd 89 90#ifdef __KERNEL__ 91#define __SI_MASK 0xffff0000 92#define __SI_KILL (0 << 16) 93#define __SI_TIMER (1 << 16) 94#define __SI_POLL (2 << 16) 95#define __SI_FAULT (3 << 16) 96#define __SI_CHLD (4 << 16) 97#define __SI_RT (5 << 16) 98#define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff)) 99#else 100#define __SI_KILL 0 101#define __SI_TIMER 0 102#define __SI_POLL 0 103#define __SI_FAULT 0 104#define __SI_CHLD 0 105#define __SI_RT 0 106#define __SI_CODE(T,N) (N) 107#endif 108 109/* 110 * si_code values 111 * Digital reserves positive values for kernel-generated signals. 112 */ 113#define SI_USER 0 /* sent by kill, sigsend, raise */ 114#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */ 115#define SI_QUEUE -1 /* sent by sigqueue */ 116#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */ 117#define SI_MESGQ -3 /* sent by real time mesq state change */ 118#define SI_ASYNCIO -4 /* sent by AIO completion */ 119#define SI_SIGIO -5 /* sent by queued SIGIO */ 120#define SI_TKILL -6 /* sent by tkill system call */ 121 122#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0) 123#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0) 124 125/* 126 * SIGILL si_codes 127 */ 128#define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */ 129#define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */ 130#define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */ 131#define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */ 132#define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */ 133#define ILL_PRVREG (__SI_FAULT|6) /* privileged register */ 134#define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */ 135#define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */ 136#define NSIGILL 8 137 138/* 139 * SIGFPE si_codes 140 */ 141#define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */ 142#define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */ 143#define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */ 144#define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */ 145#define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */ 146#define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */ 147#define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */ 148#define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */ 149#define NSIGFPE 8 150 151/* 152 * SIGSEGV si_codes 153 */ 154#define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */ 155#define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */ 156#define NSIGSEGV 2 157 158/* 159 * SIGBUS si_codes 160 */ 161#define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */ 162#define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */ 163#define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */ 164#define NSIGBUS 3 165 166/* 167 * SIGTRAP si_codes 168 */ 169#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */ 170#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */ 171#define NSIGTRAP 2 172 173/* 174 * SIGCHLD si_codes 175 */ 176#define CLD_EXITED (__SI_CHLD|1) /* child has exited */ 177#define CLD_KILLED (__SI_CHLD|2) /* child was killed */ 178#define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */ 179#define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */ 180#define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */ 181#define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */ 182#define NSIGCHLD 6 183 184/* 185 * SIGPOLL si_codes 186 */ 187#define POLL_IN (__SI_POLL|1) /* data input available */ 188#define POLL_OUT (__SI_POLL|2) /* output buffers available */ 189#define POLL_MSG (__SI_POLL|3) /* input message available */ 190#define POLL_ERR (__SI_POLL|4) /* i/o error */ 191#define POLL_PRI (__SI_POLL|5) /* high priority input available */ 192#define POLL_HUP (__SI_POLL|6) /* device disconnected */ 193#define NSIGPOLL 6 194 195/* 196 * sigevent definitions 197 * 198 * It seems likely that SIGEV_THREAD will have to be handled from 199 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the 200 * thread manager then catches and does the appropriate nonsense. 201 * However, everything is written out here so as to not get lost. 202 */ 203#define SIGEV_SIGNAL 0 /* notify via signal */ 204#define SIGEV_NONE 1 /* other notification: meaningless */ 205#define SIGEV_THREAD 2 /* deliver via thread creation */ 206 207#define SIGEV_MAX_SIZE 64 208#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 3) 209 210typedef struct sigevent { 211 sigval_t sigev_value; 212 int sigev_signo; 213 int sigev_notify; 214 union { 215 int _pad[SIGEV_PAD_SIZE]; 216 217 struct { 218 void (*_function)(sigval_t); 219 void *_attribute; /* really pthread_attr_t */ 220 } _sigev_thread; 221 } _sigev_un; 222} sigevent_t; 223 224#define sigev_notify_function _sigev_un._sigev_thread._function 225#define sigev_notify_attributes _sigev_un._sigev_thread._attribute 226 227#ifdef __KERNEL__ 228#include <linux/string.h> 229 230static inline void copy_siginfo(siginfo_t *to, siginfo_t *from) 231{ 232 if (from->si_code < 0) 233 memcpy(to, from, sizeof(siginfo_t)); 234 else 235 /* _sigchld is currently the largest know union member */ 236 memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld)); 237} 238 239extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from); 240 241#endif /* __KERNEL__ */ 242 243#endif 244