1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #ifndef _UCB_SYS_SIGNAL_H 41 #define _UCB_SYS_SIGNAL_H 42 43 /* 44 * 4.3BSD signal compatibility header 45 * 46 * this file includes all standard SVR4 header info, plus the 4.3BSD 47 * structures - 4.3BSD signal codes are translated to SVR4 generic 48 * signal codes where applicable 49 */ 50 51 #ifdef __cplusplus 52 extern "C" { 53 #endif 54 55 /* 56 * SysV <signal.h> 57 */ 58 59 /* ---- <signal.h> ---- */ 60 61 /* Copyright (c) 1988 AT&T */ 62 /* All Rights Reserved */ 63 64 65 #ifndef _SIGNAL_H 66 #define _SIGNAL_H 67 68 /* ---- <sys/signal.h> ---- */ 69 70 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 71 /* All Rights Reserved */ 72 73 74 #ifndef _SYS_SIGNAL_H 75 #define _SYS_SIGNAL_H 76 77 #define SIGHUP 1 /* hangup */ 78 #define SIGINT 2 /* interrupt (rubout) */ 79 #define SIGQUIT 3 /* quit (ASCII FS) */ 80 #define SIGILL 4 /* illegal instruction (not reset when caught) */ 81 #define SIGTRAP 5 /* trace trap (not reset when caught) */ 82 #define SIGIOT 6 /* IOT instruction */ 83 #define SIGABRT 6 /* used by abort, replace SIGIOT in the future */ 84 #define SIGEMT 7 /* EMT instruction */ 85 #define SIGFPE 8 /* floating point exception */ 86 #define SIGKILL 9 /* kill (cannot be caught or ignored) */ 87 #define SIGBUS 10 /* bus error */ 88 #define SIGSEGV 11 /* segmentation violation */ 89 #define SIGSYS 12 /* bad argument to system call */ 90 #define SIGPIPE 13 /* write on a pipe with no one to read it */ 91 #define SIGALRM 14 /* alarm clock */ 92 #define SIGTERM 15 /* software termination signal from kill */ 93 #define SIGUSR1 16 /* user defined signal 1 */ 94 #define SIGUSR2 17 /* user defined signal 2 */ 95 #define SIGCLD 18 /* child status change */ 96 #define SIGCHLD 18 /* child status change alias (POSIX) */ 97 #define SIGPWR 19 /* power-fail restart */ 98 #define SIGWINCH 20 /* window size change */ 99 #define SIGURG 21 /* urgent socket condition */ 100 #define SIGPOLL 22 /* pollable event occured */ 101 #define SIGIO SIGPOLL /* socket I/O possible (SIGPOLL alias) */ 102 #define SIGSTOP 23 /* stop (cannot be caught or ignored) */ 103 #define SIGTSTP 24 /* user stop requested from tty */ 104 #define SIGCONT 25 /* stopped process has been continued */ 105 #define SIGTTIN 26 /* background tty read attempted */ 106 #define SIGTTOU 27 /* background tty write attempted */ 107 #define SIGVTALRM 28 /* virtual timer expired */ 108 #define SIGPROF 29 /* profiling timer expired */ 109 #define SIGXCPU 30 /* exceeded cpu limit */ 110 #define SIGXFSZ 31 /* exceeded file size limit */ 111 #define SIGWAITING 32 /* process's lwps are blocked */ 112 #define SIGLWP 33 /* special signal used by thread library */ 113 114 #if defined(__cplusplus) 115 116 typedef void SIG_FUNC_TYP(int); 117 typedef SIG_FUNC_TYP *SIG_TYP; 118 #define SIG_PF SIG_TYP 119 120 #define SIG_DFL (SIG_PF)0 121 #define SIG_ERR (SIG_PF)-1 122 #define SIG_IGN (SIG_PF)1 123 #define SIG_HOLD (SIG_PF)2 124 125 #elif defined(lint) 126 127 #define SIG_DFL (void(*)(int))0 128 #define SIG_ERR (void(*)(int))0 129 #define SIG_IGN (void (*)(int))0 130 #define SIG_HOLD (void(*)(int))0 131 132 #else 133 134 #define SIG_DFL (void(*)())0 135 #define SIG_ERR (void(*)())-1 136 #define SIG_IGN (void (*)())1 137 #define SIG_HOLD (void(*)())2 138 139 #endif 140 141 #define SIG_BLOCK 1 142 #define SIG_UNBLOCK 2 143 #define SIG_SETMASK 3 144 145 #define SIGNO_MASK 0xFF 146 #define SIGDEFER 0x100 147 #define SIGHOLD 0x200 148 #define SIGRELSE 0x400 149 #define SIGIGNORE 0x800 150 #define SIGPAUSE 0x1000 151 152 #if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE) 153 154 #ifndef _SIGSET_T 155 #define _SIGSET_T 156 typedef struct { /* signal set type */ 157 unsigned int __sigbits[4]; 158 } sigset_t; 159 #endif /* _SIGSET_T */ 160 161 struct sigaction { 162 int sa_flags; 163 #if defined(__cplusplus) 164 void (*sa_handler)(int); 165 #else 166 void (*sa_handler)(); 167 #endif 168 sigset_t sa_mask; 169 int sa_resv[2]; 170 }; 171 172 /* this is only valid for SIGCLD */ 173 #define SA_NOCLDSTOP 0x00020000 /* don't send job control SIGCLD's */ 174 #endif 175 176 #if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE) 177 /* non-comformant ANSI compilation */ 178 179 /* definitions for the sa_flags field */ 180 #define SA_ONSTACK 0x00000001 181 #define SA_RESETHAND 0x00000002 182 #define SA_RESTART 0x00000004 183 #define SA_SIGINFO 0x00000008 184 #define SA_NODEFER 0x00000010 185 186 /* this is only valid for SIGCLD */ 187 #define SA_NOCLDWAIT 0x00010000 /* don't save zombie children */ 188 189 #define NSIG 34 /* valid signals range from 1 to NSIG-1 */ 190 #define MAXSIG 33 /* size of u_signal[], NSIG-1 <= MAXSIG */ 191 192 #define MINSIGSTKSZ 2048 193 #define SIGSTKSZ 8192 194 195 #define SS_ONSTACK 0x00000001 196 #define SS_DISABLE 0x00000002 197 198 struct sigaltstack { 199 char *ss_sp; 200 int ss_size; 201 int ss_flags; 202 }; 203 204 typedef struct sigaltstack stack_t; 205 206 #endif /* __STDC__ && !POSIX */ 207 208 209 #endif /* _SYS_SIGNAL_H */ 210 211 /* ---- end of SysV <sys/signal.h> ---- */ 212 213 typedef int sig_atomic_t; 214 215 #if defined(__STDC__) 216 217 extern const char *_sys_siglist[]; 218 extern const int _sys_nsig; 219 220 #ifdef __cplusplus 221 extern "C" SIG_PF signal(int, SIG_PF); 222 #else 223 extern void (*signal(int, void (*)(int)))(int); 224 #endif 225 extern int raise(int); 226 227 #if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE) || \ 228 defined(_XOPEN_SOURCE) 229 extern int kill(pid_t, int); 230 extern int sigaction(int, const struct sigaction *, struct sigaction *); 231 extern int sigaddset(sigset_t *, int); 232 extern int sigdelset(sigset_t *, int); 233 extern int sigemptyset(sigset_t *); 234 extern int sigfillset(sigset_t *); 235 extern int sigismember(const sigset_t *, int); 236 extern int sigpending(sigset_t *); 237 extern int sigprocmask(int, const sigset_t *, sigset_t *); 238 extern int sigsuspend(const sigset_t *); 239 #endif 240 241 #if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE) 242 extern int gsignal(int); 243 extern void (*sigset(int, void (*)(int)))(int); 244 extern int sighold(int); 245 extern int sigrelse(int); 246 extern int sigignore(int); 247 extern int sigpause(int); 248 extern int (*ssignal(int, int (*)(int)))(int); 249 extern int sigaltstack(const stack_t *, stack_t *); 250 /* extern int sigsend(idtype_t, id_t, int); */ 251 /* extern int sigsendset(const procset_t *, int); */ 252 #endif 253 254 #else 255 256 extern char *_sys_siglist[]; 257 extern int _sys_nsig; 258 259 extern void(*signal())(); 260 extern void(*sigset())(); 261 262 #endif /* __STDC__ */ 263 264 #endif /* _SIGNAL_H */ 265 /* ---- end of SysV <signal.h> ---- */ 266 267 #define sigmask(m) (m > 32 ? 0 : (1 << ((m)-1))) 268 269 /* 270 * 4.3BSD structure used in sigstack call. 271 */ 272 273 struct sigstack { 274 char *ss_sp; /* signal stack pointer */ 275 int ss_onstack; /* current status */ 276 }; 277 278 #define SV_ONSTACK 0x0001 /* take signal on signal stack */ 279 #define SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 280 #define SV_RESETHAND 0x0004 /* reset handler to SIG_DFL when signal taken */ 281 282 #define sv_onstack sv_flags 283 284 struct sigcontext { 285 int sc_onstack; /* sigstack state to restore */ 286 int sc_mask; /* signal mask to restore */ 287 #ifdef u3b2 288 int sc_sp; /* sp to restore */ 289 int sc_fp; /* fp to restore */ 290 int sc_ap; /* ap to restore */ 291 int sc_pc; /* pc to restore */ 292 int sc_ps; /* psw to restore */ 293 #endif 294 #ifdef vax 295 int sc_sp; /* sp to restore */ 296 int sc_fp; /* fp to restore */ 297 int sc_ap; /* ap to restore */ 298 int sc_pc; /* pc to restore */ 299 int sc_ps; /* psl to restore */ 300 #endif /* vax */ 301 #ifdef mc68000 302 int sc_sp; /* sp to restore */ 303 int sc_pc; /* pc to retore */ 304 int sc_ps; /* psl to restore */ 305 #endif /* mc68000 */ 306 #ifdef __sparc 307 #define MAXWINDOW 31 /* max usable windows in sparc */ 308 long sc_sp; /* sp to restore */ 309 long sc_pc; /* pc to retore */ 310 long sc_npc; /* next pc to restore */ 311 long sc_psr; /* psr to restore */ 312 /* aliased to REG_CCR for sparcv9 */ 313 long sc_g1; /* register that must be restored */ 314 long sc_o0; 315 int sc_wbcnt; /* number of outstanding windows */ 316 char *sc_spbuf[MAXWINDOW]; /* sp's for each wbuf */ 317 long sc_wbuf[MAXWINDOW][16]; /* outstanding window save buffer */ 318 #endif /* __sparc */ 319 #if defined(__amd64) 320 long sc_sp; /* sp to restore */ 321 long sc_pc; /* pc to retore */ 322 long sc_ps; /* psl to restore */ 323 long sc_rax; /* rax to restore */ 324 long sc_rdx; /* rdx to restore */ 325 #define sc_r0 sc_rax 326 #define sc_r1 sc_rdx 327 #elif defined(__i386) 328 int sc_sp; /* sp to restore */ 329 int sc_pc; /* pc to retore */ 330 int sc_ps; /* psl to restore */ 331 int sc_eax; /* eax to restore */ 332 int sc_edx; /* edx to restore */ 333 #define sc_r0 sc_eax 334 #define sc_r1 sc_edx 335 #endif 336 }; 337 338 /* 339 * 4.3BSD signal vector structure used in sigvec call. 340 */ 341 struct sigvec { 342 #if defined(__cplusplus) 343 void (*sv_handler)(int, int, struct sigcontext *, char *); 344 #else 345 void (*sv_handler)(); /* signal handler */ 346 #endif 347 int sv_mask; /* signal mask to apply */ 348 int sv_flags; /* see signal options below */ 349 }; 350 351 #if defined(__STDC__) 352 extern int sigvec(int, struct sigvec *, struct sigvec *); 353 extern int sigblock(int); 354 extern int sigsetmask(int); 355 #endif 356 357 /* 358 * Signal codes taken verbatim from SunOS4.1 359 */ 360 #ifdef vax 361 #define ILL_RESAD_FAULT 0x0 /* reserved addressing fault */ 362 #define ILL_PRIVIN_FAULT 0x1 /* privileged instruction fault */ 363 #define ILL_RESOP_FAULT 0x2 /* reserved operand fault */ 364 #endif /* vax */ 365 #ifdef mc68000 366 #define ILL_ILLINSTR_FAULT 0x10 /* illegal instruction fault */ 367 #define ILL_PRIVVIO_FAULT 0x20 /* privilege violation fault */ 368 #define ILL_COPROCERR_FAULT 0x34 /* [coprocessor protocol error fault] */ 369 #define ILL_TRAP1_FAULT 0x84 /* trap #1 fault */ 370 #define ILL_TRAP2_FAULT 0x88 /* trap #2 fault */ 371 #define ILL_TRAP3_FAULT 0x8c /* trap #3 fault */ 372 #define ILL_TRAP4_FAULT 0x90 /* trap #4 fault */ 373 #define ILL_TRAP5_FAULT 0x94 /* trap #5 fault */ 374 #define ILL_TRAP6_FAULT 0x98 /* trap #6 fault */ 375 #define ILL_TRAP7_FAULT 0x9c /* trap #7 fault */ 376 #define ILL_TRAP8_FAULT 0xa0 /* trap #8 fault */ 377 #define ILL_TRAP9_FAULT 0xa4 /* trap #9 fault */ 378 #define ILL_TRAP10_FAULT 0xa8 /* trap #10 fault */ 379 #define ILL_TRAP11_FAULT 0xac /* trap #11 fault */ 380 #define ILL_TRAP12_FAULT 0xb0 /* trap #12 fault */ 381 #define ILL_TRAP13_FAULT 0xb4 /* trap #13 fault */ 382 #define ILL_TRAP14_FAULT 0xb8 /* trap #14 fault */ 383 #endif /* mc68000 */ 384 #ifdef sparc 385 #define ILL_STACK 0x00 /* bad stack */ 386 #define ILL_ILLINSTR_FAULT 0x02 /* illegal instruction fault */ 387 #define ILL_PRIVINSTR_FAULT 0x03 /* privileged instruction fault */ 388 /* codes from 0x80 to 0xff are software traps */ 389 #define ILL_TRAP_FAULT(n) ((n)+0x80) /* trap n fault */ 390 #endif /* sparc */ 391 #if defined(__i386) || defined(__amd64) 392 #define ILL_ILLINSTR_FAULT 0x02 /* illegal instruction fault */ 393 #endif 394 395 #ifdef mc68000 396 #define EMT_EMU1010 0x28 /* line 1010 emulator trap */ 397 #define EMT_EMU1111 0x2c /* line 1111 emulator trap */ 398 #endif /* mc68000 */ 399 #ifdef sparc 400 #define EMT_TAG 0x0a /* tag overflow */ 401 #endif /* sparc */ 402 403 #ifdef vax 404 #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 405 #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ 406 #define FPE_FLTOVF_TRAP 0x3 /* floating overflow */ 407 #define FPE_FLTDIV_TRAP 0x4 /* floating/decimal divide by zero */ 408 #define FPE_FLTUND_TRAP 0x5 /* floating underflow */ 409 #define FPE_DECOVF_TRAP 0x6 /* decimal overflow */ 410 #define FPE_SUBRNG_TRAP 0x7 /* subscript out of range */ 411 #define FPE_FLTOVF_FAULT 0x8 /* floating overflow fault */ 412 #define FPE_FLTDIV_FAULT 0x9 /* divide by zero floating fault */ 413 #define FPE_FLTUND_FAULT 0xa /* floating underflow fault */ 414 #endif /* vax */ 415 #ifdef mc68000 416 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 417 #define FPE_CHKINST_TRAP 0x18 /* CHK [CHK2] instruction */ 418 #define FPE_TRAPV_TRAP 0x1c /* TRAPV [cpTRAPcc TRAPcc] instr */ 419 #define FPE_FLTBSUN_TRAP 0xc0 /* [branch or set on unordered cond] */ 420 #define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */ 421 #define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */ 422 #define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */ 423 #define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */ 424 #define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */ 425 #define FPE_FLTNAN_TRAP 0xd8 /* [floating Not-A-Number] */ 426 #ifdef sun 427 #define FPE_FPA_ENABLE 0x400 /* [FPA not enabled] */ 428 #define FPE_FPA_ERROR 0x404 /* [FPA arithmetic exception] */ 429 #endif /* sun */ 430 #endif /* mc68000 */ 431 #ifdef sparc 432 #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ 433 #define FPE_STARTSIG_TRAP 0x2 /* process using fp */ 434 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 435 #define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */ 436 #define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */ 437 #define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */ 438 #define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */ 439 #define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */ 440 #endif /* sparc */ 441 442 /* 443 * The codes for SIGBUS and SIGSEGV are described in <vm/faultcode.h> 444 * These are the same between SunOS4.1 and SunOS5.0 445 */ 446 447 #include <vm/faultcode.h> 448 449 #define BUS_HWERR FC_HWERR /* misc hardware error (e.g. timeout) */ 450 #define BUS_ALIGN FC_ALIGN /* hardware alignment error */ 451 #ifdef BUS_OBJERR /* namespace conflict with SysV */ 452 #undef BUS_OBJERR 453 #endif 454 #define BUS_OBJERR FC_OBJERR /* object returned errno value */ 455 /* 456 * The BUS_CODE(code) will be one of the above. In the BUS_OBJERR case, 457 * doing a BUS_ERRNO(code) gives an errno value reported by the underlying 458 * file object mapped at the fault address. Note that this appears to be 459 * duplicated with the segmentation fault case below -- unfortunate, since 460 * the specification has always claimed that such errors produce SIGBUS. 461 * The segmentation cases are left defined as a transition aid. 462 */ 463 #define BUS_CODE(C) FC_CODE(C) 464 #define BUS_ERRNO(C) FC_ERRNO(C) 465 466 #define SEGV_NOMAP FC_NOMAP /* no mapping at the fault address */ 467 #define SEGV_PROT FC_PROT /* access exceeded protections */ 468 #define SEGV_OBJERR FC_OBJERR /* object returned errno value */ 469 /* 470 * The SEGV_CODE(code) will be SEGV_NOMAP, SEGV_PROT, or SEGV_OBJERR. 471 * In the SEGV_OBJERR case, doing a SEGV_ERRNO(code) gives an errno value 472 * reported by the underlying file object mapped at the fault address. 473 */ 474 #define SEGV_CODE(C) FC_CODE(C) 475 #define SEGV_ERRNO(C) FC_ERRNO(C) 476 #define SEGV_MAKE_ERR(e) FC_MAKE_ERR(e) 477 478 #define SIG_NOADDR ((char *)~0) 479 480 #if defined(lint) 481 #define BADSIG (void(*)())0 482 #else 483 #define BADSIG (void(*)())-1 484 #endif 485 486 #ifdef __cplusplus 487 } 488 #endif 489 490 #endif /* _UCB_SYS_SIGNAL_H */ 491