include/asm-ia64/siginfo.h

   1 #ifndef _ASM_IA64_SIGINFO_H
   2 #define _ASM_IA64_SIGINFO_H
   3
   4 /*
   5  * Copyright (C) 1998, 1999 Hewlett-Packard Co
   6  * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
   7  */
   8
   9 #include <linux/types.h>
  10
  11 typedef union sigval {
  12         int sival_int;
  13         void *sival_ptr;
  14 } sigval_t;
  15
  16 #define SI_MAX_SIZE     128
  17 #define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 3)
  18
  19 typedef struct siginfo {
  20         int si_signo;
  21         int si_errno;
  22         int si_code;
  23
  24         union {
  25                 int _pad[SI_PAD_SIZE];
  26
  27                 /* kill() */
  28                 struct {
  29                         pid_t _pid;             /* sender's pid */
  30                         uid_t _uid;             /* sender's uid */
  31                 } _kill;
  32
  33                 /* POSIX.1b timers */
  34                 struct {
  35                         unsigned int _timer1;
  36                         unsigned int _timer2;
  37                 } _timer;
  38
  39                 /* POSIX.1b signals */
  40                 struct {
  41                         pid_t _pid;             /* sender's pid */
  42                         uid_t _uid;             /* sender's uid */
  43                         sigval_t _sigval;
  44                 } _rt;
  45
  46                 /* SIGCHLD */
  47                 struct {
  48                         pid_t _pid;             /* which child */
  49                         uid_t _uid;             /* sender's uid */
  50                         int _status;            /* exit code */
  51                         clock_t _utime;
  52                         clock_t _stime;
  53                 } _sigchld;
  54
  55                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  56                 struct {
  57                         void *_addr;            /* faulting insn/memory ref. */
  58                         int _imm;               /* immediate value for "break" */
  59                 } _sigfault;
  60
  61                 /* SIGPOLL */
  62                 struct {
  63                         long _band;     /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
  64                         int _fd;
  65                 } _sigpoll;
  66         } _sifields;
  67 } siginfo_t;
  68
  69 /*
  70  * How these fields are to be accessed.
  71  */
  72 #define si_pid          _sifields._kill._pid
  73 #define si_uid          _sifields._kill._uid
  74 #define si_status       _sifields._sigchld._status
  75 #define si_utime        _sifields._sigchld._utime
  76 #define si_stime        _sifields._sigchld._stime
  77 #define si_value        _sifields._rt._sigval
  78 #define si_int          _sifields._rt._sigval.sival_int
  79 #define si_ptr          _sifields._rt._sigval.sival_ptr
  80 #define si_addr         _sifields._sigfault._addr
  81 #define si_imm          _sifields._sigfault._imm        /* as per UNIX SysV ABI spec */
  82 #define si_band         _sifields._sigpoll._band
  83 #define si_fd           _sifields._sigpoll._fd
  84
  85 /*
  86  * si_code values
  87  * Positive values for kernel-generated signals.
  88  */
  89 #define SI_USER         0       /* sent by kill, sigsend, raise */
  90 #define SI_KERNEL       0x80    /* sent by the kernel from somewhere */
  91 #define SI_QUEUE        -1      /* sent by sigqueue */
  92 #define SI_TIMER        -2      /* sent by timer expiration */
  93 #define SI_MESGQ        -3      /* sent by real time mesq state change */
  94 #define SI_ASYNCIO      -4      /* sent by AIO completion */
  95 #define SI_SIGIO        -5      /* sent by queued SIGIO */
  96
  97 #define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)
  98 #define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)
  99
 100 /*
 101  * SIGILL si_codes
 102  */
 103 #define ILL_ILLOPC      1       /* illegal opcode */
 104 #define ILL_ILLOPN      2       /* illegal operand */
 105 #define ILL_ILLADR      3       /* illegal addressing mode */
 106 #define ILL_ILLTRP      4       /* illegal trap */
 107 #define ILL_PRVOPC      5       /* privileged opcode */
 108 #define ILL_PRVREG      6       /* privileged register */
 109 #define ILL_COPROC      7       /* coprocessor error */
 110 #define ILL_BADSTK      8       /* internal stack error */
 111 #define ILL_BADIADDR    9       /* unimplemented instruction address */
 112 #define __ILL_BREAK     10      /* illegal break */
 113 #define NSIGILL         10
 114
 115 /*
 116  * SIGFPE si_codes
 117  */
 118 #define FPE_INTDIV      1       /* integer divide by zero */
 119 #define FPE_INTOVF      2       /* integer overflow */
 120 #define FPE_FLTDIV      3       /* floating point divide by zero */
 121 #define FPE_FLTOVF      4       /* floating point overflow */
 122 #define FPE_FLTUND      5       /* floating point underflow */
 123 #define FPE_FLTRES      6       /* floating point inexact result */
 124 #define FPE_FLTINV      7       /* floating point invalid operation */
 125 #define FPE_FLTSUB      8       /* subscript out of range */
 126 #define __FPE_DECOVF    9       /* decimal overflow */
 127 #define __FPE_DECDIV    10      /* decimal division by zero */
 128 #define __FPE_DECERR    11      /* packed decimal error */
 129 #define __FPE_INVASC    12      /* invalid ASCII digit */
 130 #define __FPE_INVDEC    13      /* invalid decimal digit */
 131 #define NSIGFPE         13
 132
 133 /*
 134  * SIGSEGV si_codes
 135  */
 136 #define SEGV_MAPERR     1       /* address not mapped to object */
 137 #define SEGV_ACCERR     2       /* invalid permissions for mapped object */
 138 #define __SEGV_PSTKOVF  3       /* paragraph stack overflow */
 139 #define NSIGSEGV        3
 140
 141 /*
 142  * SIGBUS si_codes
 143  */
 144 #define BUS_ADRALN      1       /* invalid address alignment */
 145 #define BUS_ADRERR      2       /* non-existant physical address */
 146 #define BUS_OBJERR      3       /* object specific hardware error */
 147 #define NSIGBUS         3
 148
 149 /*
 150  * SIGTRAP si_codes
 151  */
 152 #define TRAP_BRKPT      1       /* process breakpoint */
 153 #define TRAP_TRACE      2       /* process trace trap */
 154 #define TRAP_BRANCH     3       /* process taken branch trap */
 155 #define NSIGTRAP        3
 156
 157 /*
 158  * SIGCHLD si_codes
 159  */
 160 #define CLD_EXITED      1       /* child has exited */
 161 #define CLD_KILLED      2       /* child was killed */
 162 #define CLD_DUMPED      3       /* child terminated abnormally */
 163 #define CLD_TRAPPED     4       /* traced child has trapped */
 164 #define CLD_STOPPED     5       /* child has stopped */
 165 #define CLD_CONTINUED   6       /* stopped child has continued */
 166 #define NSIGCHLD        6
 167
 168 /*
 169  * SIGPOLL si_codes
 170  */
 171 #define POLL_IN         1       /* data input available */
 172 #define POLL_OUT        2       /* output buffers available */
 173 #define POLL_MSG        3       /* input message available */
 174 #define POLL_ERR        4       /* i/o error */
 175 #define POLL_PRI        5       /* high priority input available */
 176 #define POLL_HUP        6       /* device disconnected */
 177 #define NSIGPOLL        6
 178
 179 /*
 180  * sigevent definitions
 181  *
 182  * It seems likely that SIGEV_THREAD will have to be handled from
 183  * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
 184  * thread manager then catches and does the appropriate nonsense.
 185  * However, everything is written out here so as to not get lost.
 186  */
 187 #define SIGEV_SIGNAL    0       /* notify via signal */
 188 #define SIGEV_NONE      1       /* other notification: meaningless */
 189 #define SIGEV_THREAD    2       /* deliver via thread creation */
 190
 191 #define SIGEV_MAX_SIZE  64
 192 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
 193
 194 typedef struct sigevent {
 195         sigval_t sigev_value;
 196         int sigev_signo;
 197         int sigev_notify;
 198         union {
 199                 int _pad[SIGEV_PAD_SIZE];
 200
 201                 struct {
 202                         void (*_function)(sigval_t);
 203                         void *_attribute;       /* really pthread_attr_t */
 204                 } _sigev_thread;
 205         } _sigev_un;
 206 } sigevent_t;
 207
 208 #define sigev_notify_function   _sigev_un._sigev_thread._function
 209 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 210
 211 #endif /* _ASM_IA64_SIGINFO_H */