include/asm-sparc/siginfo.h

   1 /* $Id: siginfo.h,v 1.4 1999/04/28 19:45:20 davem Exp $
   2  * siginfo.c:
   3  */
   4
   5 #ifndef _SPARC_SIGINFO_H
   6 #define _SPARC_SIGINFO_H
   7
   8 #include <linux/types.h>
   9
  10 typedef union sigval {
  11         int sival_int;
  12         void *sival_ptr;
  13 } sigval_t;
  14
  15 #define SI_MAX_SIZE     128
  16 #define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 3)
  17
  18 typedef struct siginfo {
  19         int si_signo;
  20         int si_errno;
  21         int si_code;
  22
  23         union {
  24                 int _pad[SI_PAD_SIZE];
  25
  26                 /* kill() */
  27                 struct {
  28                         pid_t _pid;             /* sender's pid */
  29                         uid_t _uid;             /* sender's uid */
  30                 } _kill;
  31
  32                 /* POSIX.1b timers */
  33                 struct {
  34                         unsigned int _timer1;
  35                         unsigned int _timer2;
  36                 } _timer;
  37
  38                 /* POSIX.1b signals */
  39                 struct {
  40                         pid_t _pid;             /* sender's pid */
  41                         uid_t _uid;             /* sender's uid */
  42                         sigval_t _sigval;
  43                 } _rt;
  44
  45                 /* SIGCHLD */
  46                 struct {
  47                         pid_t _pid;             /* which child */
  48                         uid_t _uid;             /* sender's uid */
  49                         int _status;            /* exit code */
  50                         clock_t _utime;
  51                         clock_t _stime;
  52                 } _sigchld;
  53
  54                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  55                 struct {
  56                         void *_addr;    /* faulting insn/memory ref. */
  57                         int  _trapno;   /* TRAP # which caused the signal */
  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 /*
  69  * How these fields are to be accessed.
  70  */
  71 #define si_pid          _sifields._kill._pid
  72 #define si_uid          _sifields._kill._uid
  73 #define si_timer1       _sifields._timer._timer1
  74 #define si_timer2       _sifields._timer._timer2
  75 #define si_status       _sifields._sigchld._status
  76 #define si_utime        _sifields._sigchld._utime
  77 #define si_stime        _sifields._sigchld._stime
  78 #define si_value        _sifields._rt._sigval
  79 #define si_int          _sifields._rt._sigval.sival_int
  80 #define si_ptr          _sifields._rt._sigval.sival_ptr
  81 #define si_addr         _sifields._sigfault._addr
  82 #define si_trapno       _sifields._sigfault._trapno
  83 #define si_band         _sifields._sigpoll._band
  84 #define si_fd           _sifields._sigpoll._fd
  85
  86 /*
  87  * si_code values
  88  * Digital reserves positive values for kernel-generated signals.
  89  */
  90 #define SI_USER         0       /* sent by kill, sigsend, raise */
  91 #define SI_KERNEL       0x80    /* sent by the kernel from somewhere */
  92 #define SI_QUEUE        -1      /* sent by sigqueue */
  93 #define SI_TIMER        -2      /* sent by timer expiration */
  94 #define SI_MESGQ        -3      /* sent by real time mesq state change */
  95 #define SI_ASYNCIO      -4      /* sent by AIO completion */
  96 #define SI_SIGIO        -5      /* sent by queued SIGIO */
  97
  98 #define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)
  99 #define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)
 100
 101 /*
 102  * SIGILL si_codes
 103  */
 104 #define ILL_ILLOPC      1       /* illegal opcode */
 105 #define ILL_ILLOPN      2       /* illegal operand */
 106 #define ILL_ILLADR      3       /* illegal addressing mode */
 107 #define ILL_ILLTRP      4       /* illegal trap */
 108 #define ILL_PRVOPC      5       /* privileged opcode */
 109 #define ILL_PRVREG      6       /* privileged register */
 110 #define ILL_COPROC      7       /* coprocessor error */
 111 #define ILL_BADSTK      8       /* internal stack error */
 112 #define NSIGILL         8
 113
 114 /*
 115  * SIGFPE si_codes
 116  */
 117 #define FPE_INTDIV      1       /* integer divide by zero */
 118 #define FPE_INTOVF      2       /* integer overflow */
 119 #define FPE_FLTDIV      3       /* floating point divide by zero */
 120 #define FPE_FLTOVF      4       /* floating point overflow */
 121 #define FPE_FLTUND      5       /* floating point underflow */
 122 #define FPE_FLTRES      6       /* floating point inexact result */
 123 #define FPE_FLTINV      7       /* floating point invalid operation */
 124 #define FPE_FLTSUB      8       /* subscript out of range */
 125 #define NSIGFPE         8
 126
 127 /*
 128  * SIGSEGV si_codes
 129  */
 130 #define SEGV_MAPERR     1       /* address not mapped to object */
 131 #define SEGV_ACCERR     2       /* invalid permissions for mapped object */
 132 #define NSIGSEGV        2
 133
 134 /*
 135  * SIGBUS si_codes
 136  */
 137 #define BUS_ADRALN      1       /* invalid address alignment */
 138 #define BUS_ADRERR      2       /* non-existant physical address */
 139 #define BUS_OBJERR      3       /* object specific hardware error */
 140 #define NSIGBUS         3
 141
 142 /*
 143  * SIGTRAP si_codes
 144  */
 145 #define TRAP_BRKPT      1       /* process breakpoint */
 146 #define TRAP_TRACE      2       /* process trace trap */
 147 #define NSIGTRAP        2
 148
 149 /*
 150  * SIGCHLD si_codes
 151  */
 152 #define CLD_EXITED      1       /* child has exited */
 153 #define CLD_KILLED      2       /* child was killed */
 154 #define CLD_DUMPED      3       /* child terminated abnormally */
 155 #define CLD_TRAPPED     4       /* traced child has trapped */
 156 #define CLD_STOPPED     5       /* child has stopped */
 157 #define CLD_CONTINUED   6       /* stopped child has continued */
 158 #define NSIGCHLD
 159
 160 /*
 161  * SIGPOLL si_codes
 162  */
 163 #define POLL_IN         1       /* data input available */
 164 #define POLL_OUT        2       /* output buffers available */
 165 #define POLL_MSG        3       /* input message available */
 166 #define POLL_ERR        4       /* i/o error */
 167 #define POLL_PRI        5       /* high priority input available */
 168 #define POLL_HUP        6       /* device disconnected */
 169 #define NSIGPOLL        6
 170
 171 /*
 172  * sigevent definitions
 173  *
 174  * It seems likely that SIGEV_THREAD will have to be handled from
 175  * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
 176  * thread manager then catches and does the appropriate nonsense.
 177  * However, everything is written out here so as to not get lost.
 178  */
 179 #define SIGEV_SIGNAL    0       /* notify via signal */
 180 #define SIGEV_NONE      1       /* other notification: meaningless */
 181 #define SIGEV_THREAD    2       /* deliver via thread creation */
 182
 183 #define SIGEV_MAX_SIZE  64
 184 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
 185
 186 typedef struct sigevent {
 187         sigval_t sigev_value;
 188         int sigev_signo;
 189         int sigev_notify;
 190         union {
 191                 int _pad[SIGEV_PAD_SIZE];
 192
 193                 struct {
 194                         void (*_function)(sigval_t);
 195                         void *_attribute;       /* really pthread_attr_t */
 196                 } _sigev_thread;
 197         } _sigev_un;
 198 } sigevent_t;
 199
 200 #define sigev_notify_function   _sigev_un._sigev_thread._function
 201 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 202
 203 #endif /* !(_SPARC_SIGINFO_H) */