include/asm-sparc64/siginfo.h

   1 #ifndef _SPARC64_SIGINFO_H
   2 #define _SPARC64_SIGINFO_H
   3
   4 #include <linux/types.h>
   5
   6 typedef union sigval {
   7         int sival_int;
   8         void *sival_ptr;
   9 } sigval_t;
  10
  11 #ifdef __KERNEL__
  12
  13 typedef union sigval32 {
  14         int sival_int;
  15         u32 sival_ptr;
  16 } sigval_t32;
  17
  18 #endif /* __KERNEL__ */
  19
  20 #define SI_MAX_SIZE     128
  21 #define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 4)
  22 #define SI_PAD_SIZE32   ((SI_MAX_SIZE/sizeof(int)) - 3)
  23
  24 typedef struct siginfo {
  25         int si_signo;
  26         int si_errno;
  27         int si_code;
  28
  29         union {
  30                 int _pad[SI_PAD_SIZE];
  31
  32                 /* kill() */
  33                 struct {
  34                         pid_t _pid;             /* sender's pid */
  35                         uid_t _uid;             /* sender's uid */
  36                 } _kill;
  37
  38                 /* POSIX.1b timers */
  39                 struct {
  40                         unsigned int _timer1;
  41                         unsigned int _timer2;
  42                 } _timer;
  43
  44                 /* POSIX.1b signals */
  45                 struct {
  46                         pid_t _pid;             /* sender's pid */
  47                         uid_t _uid;             /* sender's uid */
  48                         sigval_t _sigval;
  49                 } _rt;
  50
  51                 /* SIGCHLD */
  52                 struct {
  53                         pid_t _pid;             /* which child */
  54                         uid_t _uid;             /* sender's uid */
  55                         int _status;            /* exit code */
  56                         clock_t _utime;
  57                         clock_t _stime;
  58                 } _sigchld;
  59
  60                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
  61                 struct {
  62                         void *_addr; /* faulting insn/memory ref. */
  63                         int  _trapno; /* TRAP # which caused the signal */
  64                 } _sigfault;
  65
  66                 /* SIGPOLL */
  67                 struct {
  68                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
  69                         int _fd;
  70                 } _sigpoll;
  71         } _sifields;
  72 } siginfo_t;
  73
  74 #ifdef __KERNEL__
  75
  76 typedef struct siginfo32 {
  77         int si_signo;
  78         int si_errno;
  79         int si_code;
  80
  81         union {
  82                 int _pad[SI_PAD_SIZE32];
  83
  84                 /* kill() */
  85                 struct {
  86                         __kernel_pid_t32 _pid;          /* sender's pid */
  87                         unsigned int _uid;              /* sender's uid */
  88                 } _kill;
  89
  90                 /* POSIX.1b timers */
  91                 struct {
  92                         unsigned int _timer1;
  93                         unsigned int _timer2;
  94                 } _timer;
  95
  96                 /* POSIX.1b signals */
  97                 struct {
  98                         __kernel_pid_t32 _pid;          /* sender's pid */
  99                         unsigned int _uid;              /* sender's uid */
 100                         sigval_t32 _sigval;
 101                 } _rt;
 102
 103                 /* SIGCHLD */
 104                 struct {
 105                         __kernel_pid_t32 _pid;          /* which child */
 106                         unsigned int _uid;              /* sender's uid */
 107                         int _status;                    /* exit code */
 108                         __kernel_clock_t32 _utime;
 109                         __kernel_clock_t32 _stime;
 110                 } _sigchld;
 111
 112                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
 113                 struct {
 114                         u32 _addr; /* faulting insn/memory ref. */
 115                         int _trapno;
 116                 } _sigfault;
 117
 118                 /* SIGPOLL */
 119                 struct {
 120                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
 121                         int _fd;
 122                 } _sigpoll;
 123         } _sifields;
 124 } siginfo_t32;
 125
 126 #endif /* __KERNEL__ */
 127
 128 /*
 129  * How these fields are to be accessed.
 130  */
 131 #define si_pid          _sifields._kill._pid
 132 #define si_uid          _sifields._kill._uid
 133 #define si_status       _sifields._sigchld._status
 134 #define si_utime        _sifields._sigchld._utime
 135 #define si_stime        _sifields._sigchld._stime
 136 #define si_value        _sifields._rt._sigval
 137 #define si_int          _sifields._rt._sigval.sival_int
 138 #define si_ptr          _sifields._rt._sigval.sival_ptr
 139 #define si_addr         _sifields._sigfault._addr
 140 #define si_trapno       _sifields._sigfault._trapno
 141 #define si_band         _sifields._sigpoll._band
 142 #define si_fd           _sifields._sigpoll._fd
 143
 144 /*
 145  * si_code values
 146  * Digital reserves positive values for kernel-generated signals.
 147  */
 148 #define SI_NOINFO       32767   /* no information in siginfo_t */
 149 #define SI_USER         0       /* sent by kill, sigsend, raise */
 150 #define SI_KERNEL       0x80    /* sent by the kernel from somewhere */
 151 #define SI_QUEUE        -1      /* sent by sigqueue */
 152 #define SI_TIMER        -2      /* sent by timer expiration */
 153 #define SI_MESGQ        -3      /* sent by real time mesq state change */
 154 #define SI_ASYNCIO      -4      /* sent by AIO completion */
 155 #define SI_SIGIO        -5      /* sent by queued SIGIO */
 156
 157 #define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)
 158 #define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)
 159
 160 /*
 161  * SIGILL si_codes
 162  */
 163 #define ILL_ILLOPC      1       /* illegal opcode */
 164 #define ILL_ILLOPN      2       /* illegal operand */
 165 #define ILL_ILLADR      3       /* illegal addressing mode */
 166 #define ILL_ILLTRP      4       /* illegal trap */
 167 #define ILL_PRVOPC      5       /* privileged opcode */
 168 #define ILL_PRVREG      6       /* privileged register */
 169 #define ILL_COPROC      7       /* coprocessor error */
 170 #define ILL_BADSTK      8       /* internal stack error */
 171 #define NSIGILL         8
 172
 173 /*
 174  * SIGFPE si_codes
 175  */
 176 #define FPE_INTDIV      1       /* integer divide by zero */
 177 #define FPE_INTOVF      2       /* integer overflow */
 178 #define FPE_FLTDIV      3       /* floating point divide by zero */
 179 #define FPE_FLTOVF      4       /* floating point overflow */
 180 #define FPE_FLTUND      5       /* floating point underflow */
 181 #define FPE_FLTRES      6       /* floating point inexact result */
 182 #define FPE_FLTINV      7       /* floating point invalid operation */
 183 #define FPE_FLTSUB      8       /* subscript out of range */
 184 #define NSIGFPE         8
 185
 186 /*
 187  * SIGSEGV si_codes
 188  */
 189 #define SEGV_MAPERR     1       /* address not mapped to object */
 190 #define SRGV_ACCERR     2       /* invalid permissions for mapped object */
 191 #define NSIGSEGV        2
 192
 193 /*
 194  * SIGBUS si_codes
 195  */
 196 #define BUS_ADRALN      1       /* invalid address alignment */
 197 #define BUS_ADRERR      2       /* non-existant physical address */
 198 #define BUS_OBJERR      3       /* object specific hardware error */
 199 #define NSIGBUS         3
 200
 201 /*
 202  * SIGTRAP si_codes
 203  */
 204 #define TRAP_BRKPT      1       /* process breakpoint */
 205 #define TRAP_TRACE      2       /* process trace trap */
 206 #define NSIGTRAP        2
 207
 208 /*
 209  * SIGCHLD si_codes
 210  */
 211 #define CLD_EXITED      1       /* child has exited */
 212 #define CLD_KILLED      2       /* child was killed */
 213 #define CLD_DUMPED      3       /* child terminated abnormally */
 214 #define CLD_TRAPPED     4       /* traced child has trapped */
 215 #define CLD_STOPPED     5       /* child has stopped */
 216 #define CLD_CONTINUED   6       /* stopped child has continued */
 217 #define NSIGCHLD
 218
 219 /*
 220  * SIGPOLL si_codes
 221  */
 222 #define POLL_IN         1       /* data input available */
 223 #define POLL_OUT        2       /* output buffers available */
 224 #define POLL_MSG        3       /* input message available */
 225 #define POLL_ERR        4       /* i/o error */
 226 #define POLL_PRI        5       /* high priority input available */
 227 #define POLL_HUP        6       /* device disconnected */
 228 #define NSIGPOLL        6
 229
 230 /*
 231  * SIGEMT si_codes
 232  */
 233 #define EMT_TAGOVF      1       /* tag overflow */
 234 #define NSIGEMT         1
 235
 236 /*
 237  * sigevent definitions
 238  *
 239  * It seems likely that SIGEV_THREAD will have to be handled from
 240  * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
 241  * thread manager then catches and does the appropriate nonsense.
 242  * However, everything is written out here so as to not get lost.
 243  */
 244 #define SIGEV_SIGNAL    0       /* notify via signal */
 245 #define SIGEV_NONE      1       /* other notification: meaningless */
 246 #define SIGEV_THREAD    2       /* deliver via thread creation */
 247
 248 #define SIGEV_MAX_SIZE  64
 249 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
 250 #define SIGEV_PAD_SIZE32 ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
 251
 252 typedef struct sigevent {
 253         sigval_t sigev_value;
 254         int sigev_signo;
 255         int sigev_notify;
 256         union {
 257                 int _pad[SIGEV_PAD_SIZE];
 258
 259                 struct {
 260                         void (*_function)(sigval_t);
 261                         void *_attribute;       /* really pthread_attr_t */
 262                 } _sigev_thread;
 263         } _sigev_un;
 264 } sigevent_t;
 265
 266 #ifdef __KERNEL__
 267
 268 typedef struct sigevent32 {
 269         sigval_t sigev_value;
 270         int sigev_signo;
 271         int sigev_notify;
 272         union {
 273                 int _pad[SIGEV_PAD_SIZE32];
 274
 275                 struct {
 276                         u32 _function;
 277                         u32 _attribute; /* really pthread_attr_t */
 278                 } _sigev_thread;
 279         } _sigev_un;
 280 } sigevent_t32;
 281
 282 #endif /* __KERNEL__ */
 283
 284 #define sigev_notify_function   _sigev_un._sigev_thread._function
 285 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 286
 287 #endif