/* * ***************************************************************** * * * * * Copyright (c) Digital Equipment Corporation, 1991, 1992 * * * * * * All Rights Reserved. Unpublished rights reserved under * * * the copyright laws of the United States. * * * * * * The software contained on this media is proprietary to * * * and embodies the confidential technology of Digital * * * Equipment Corporation. Possession, use, duplication or * * * dissemination of the software and media is authorized only * * * pursuant to a valid written license from Digital Equipment * * * Corporation. * * * * * * RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure * * * by the U.S. Government is subject to restrictions as set * * * forth in Subparagraph (c)(1)(ii) of DFARS 252.227-7013, * * * or in FAR 52.227-19, as applicable. * * * * * ***************************************************************** */ /* * HISTORY */ /* * @(#)$RCSfile: signal.h,v $ $Revision: 1.1 $ (DEC) $Date: 1995/02/12 04:40:59 $ */ /* * (c) Copyright 1990, OPEN SOFTWARE FOUNDATION, INC. * ALL RIGHTS RESERVED */ /* * OSF/1 Release 1.0 */ /* * COMPONENT_NAME: SYSPROC - signal.h * * ORIGIN: 27 * * Copyright International Business Machines Corp. 1985, 1989 * All Rights Reserved * Licensed Material - Property of IBM * * RESTRICTED RIGHTS LEGEND * Use, Duplication or Disclosure by the Government is subject to * restrictions as set forth in paragraph (b)(3)(B) of the Rights in * Technical Data and Computer Software clause in DAR 7-104.9(a). */ #ifndef _SYS_SIGNAL_H_ #define _SYS_SIGNAL_H_ #include /* add this for early ALPHA compiler skew problem */ #if defined(LANGUAGE_C) && !defined(__LANGUAGE_C__) #define __LANGUAGE_C__ #endif /* * * The ANSI standard requires that certain values be in signal.h. * The ANSI standard allows additional signals and pointers to * undeclarable functions with macro definitions beginning with * the letters SIG or SIG_ and an upper case letter. * However, it also requires that if _ANSI_C_SOURCE is defined then * no other function definitions are present * * This header includes all the ANSI required entries. In addition * other entries for the OSF system are included. * */ #ifdef _ANSI_C_SOURCE # if !defined(_KERNEL) && defined(__LANGUAGE_C__) # if defined (_NO_PROTO) extern void (*signal())(); # else /* ~_NO_PROTO */ #if defined(__cplusplus) extern "C" { #endif extern void (*signal(int, void (*func)(int)))(int); #if defined (__cplusplus) } #endif # endif /* _NO_PROTO */ # ifdef _NO_PROTO extern int raise(); # else /* ~ _NO_PROTO */ #if defined(__cplusplus) extern "C" { #endif extern int raise( int ); #if defined (__cplusplus) } #endif # endif /* _NO_PROTO */ typedef volatile int sig_atomic_t; /* accessable as an atomic entity (ANSI) */ # endif /* !_KERNEL && __LANGUAGE_C__ */ #endif /* _ANSI_C_SOURCE */ /* * valid signal values: all undefined values are reserved for future use * note: POSIX requires a value of 0 to be used as the null signal in kill() */ #define SIGHUP 1 /* hangup, generated when terminal disconnects */ #define SIGINT 2 /* interrupt, generated from terminal special char */ #define SIGQUIT 3 /* (*) quit, generated from terminal special char */ #define SIGILL 4 /* (*) illegal instruction (not reset when caught)*/ #define SIGTRAP 5 /* (*) trace trap (not reset when caught) */ #define SIGABRT 6 /* (*) abort process */ #define SIGEMT 7 /* EMT instruction */ #define SIGFPE 8 /* (*) floating point exception */ #define SIGKILL 9 /* kill (cannot be caught or ignored) */ #define SIGBUS 10 /* (*) bus error (specification exception) */ #define SIGSEGV 11 /* (*) segmentation violation */ #define SIGSYS 12 /* (*) bad argument to system call */ #define SIGPIPE 13 /* write on a pipe with no one to read it */ #define SIGALRM 14 /* alarm clock timeout */ #define SIGTERM 15 /* software termination signal */ #define SIGURG 16 /* (+) urgent contition on I/O channel */ #define SIGSTOP 17 /* (@) stop (cannot be caught or ignored) */ #define SIGTSTP 18 /* (@) interactive stop */ #define SIGCONT 19 /* (!) continue (cannot be caught or ignored) */ #define SIGCHLD 20 /* (+) sent to parent on child stop or exit */ #define SIGTTIN 21 /* (@) background read attempted from control terminal*/ #define SIGTTOU 22 /* (@) background write attempted to control terminal */ #define SIGIO 23 /* (+) I/O possible, or completed */ #define SIGXCPU 24 /* cpu time limit exceeded (see setrlimit()) */ #define SIGXFSZ 25 /* file size limit exceeded (see setrlimit()) */ #define SIGVTALRM 26 /* virtual time alarm (see setitimer) */ #define SIGPROF 27 /* profiling time alarm (see setitimer) */ #define SIGWINCH 28 /* (+) window size changed */ #define SIGINFO 29 /* information request */ #define SIGUSR1 30 /* user defined signal 1 */ #define SIGUSR2 31 /* user defined signal 2 */ /* * additional signal names supplied for compatibility, only */ #define SIGIOINT SIGURG /* printer to backend error signal */ #define SIGAIO SIGIO /* base lan i/o */ #define SIGPTY SIGIO /* pty i/o */ #define SIGPOLL SIGIO /* STREAMS version of this signal */ #define SIGIOT SIGABRT /* abort (terminate) process */ #define SIGLOST SIGIOT /* old BSD signal ?? */ /* * valid signal action values; other values => pointer to handler function */ #ifndef _NO_PROTO #define SIG_ERR (void (*)(int))-1 #define SIG_DFL (void (*)(int))0 #define SIG_IGN (void (*)(int))1 #define SIG_HOLD (void (*)(int))2 /* not valid as argument to sigaction or sigvec */ #define SIG_CATCH (void (*)(int))3 /* not valid as argument to sigaction or sigvec */ #else /* _NO_PROTO */ #define SIG_ERR (void (*)())-1 #define SIG_DFL (void (*)())0 #define SIG_IGN (void (*)())1 #define SIG_HOLD (void (*)())2 /* not valid as argument to sigaction or sigvec */ #define SIG_CATCH (void (*)())3 /* not valid as argument to sigaction or sigvec */ #endif /* _NO_PROTO */ /* * The following are values that have historically been in signal.h. * * They are a part of the POSIX defined signal.h and therefore are * included when _POSIX_SOURCE is defined. * */ #ifdef _POSIX_SOURCE /* * values of "how" argument to sigprocmask() call */ #define SIG_BLOCK 1 #define SIG_UNBLOCK 2 #define SIG_SETMASK 3 #include /* Cannot be in ANSI - name space pollution */ /* * valid flag define for sa_flag field of sigaction structure - POSIX */ #define SA_NOCLDSTOP 0x00000004 /* do not set SIGCHLD for child stops*/ #ifdef __LANGUAGE_C__ /* * sigaction structure used in sigaction() system call * The order of the fields in this structure must match those in * the sigvec structure (below). */ struct sigaction { #ifdef _NO_PROTO void (*sa_handler)(); /* signal handler, or action value */ #else /* _NO_PROTO */ void (*sa_handler)(int); /* signal handler, or action value */ #endif /* _NO_PROTO */ sigset_t sa_mask; /* signals to block while in handler */ int sa_flags; /* signal action flags */ }; #if defined(_POSIX_4SOURCE) || defined(_KERNEL) /* * sigval union and sigevent structure needed by Async I/O and Timer routines. * Defines values passed to signal handlers on I/O completion or timer * expiration. */ typedef union sigval { int sival_int; void *sival_ptr; } sigval_t; /* * Define some nonstandard shortcuts to reference the union fields... */ #define sigev_int sigev_value.sival_int #define sigev_ptr sigev_value.sival_ptr typedef struct sigevent { union sigval sigev_value; /* application-defined value */ int sigev_signo; /* signal to raise */ } sigevent_t; /* * DEFINEs for compatibility with P1003.4/D10 struct sigevent */ /* #ifdef POSIX_4D10 */ #define sevt_signo sigev_signo #define sevt_value sigev_value.sival_ptr /* #endif */ #endif /* _POSIX_4SOURCE */ #ifndef _KERNEL #ifdef _NO_PROTO extern int kill(); extern int sigaction(); extern int sigprocmask(); extern int sigsuspend(); extern int sigemptyset(); extern int sigfillset(); extern int sigaddset(); extern int sigdelset(); extern int sigismember(); extern int sigpending(); extern int sigwait(); /*QAR 7911 */ #else /* _NO_PROTO */ /* * function prototypes for signal functions */ /* system calls */ #if defined(__cplusplus) extern "C" { #endif extern int kill(pid_t , int ); extern int sigaction(int , const struct sigaction *, struct sigaction *); /*QAR 3117 S*/ extern int sigprocmask(int , const sigset_t *, sigset_t *); /*QAR 3118 S*/ extern int sigsuspend(const sigset_t *); /*QAR 3119 S*/ /* library routines */ extern int sigemptyset(sigset_t *); extern int sigfillset(sigset_t *); extern int sigaddset(sigset_t *, int ); extern int sigdelset(sigset_t *, int ); extern int sigismember(const sigset_t *, int ); /*QAR 3116 S*/ extern int sigpending(sigset_t *); extern int sigwait(sigset_t *); /*QAR 7911 */ #if defined(__cplusplus) } #endif #endif /* _NO_PROTO */ #endif /* _KERNEL */ #ifndef lint #ifdef _KERNEL /* * These are library routines. Let the kernel use these until they get * their POSIX story straight. */ #define sigemptyset(set) { *(set) = (sigset_t)0; } #define sigfillset(set) { *(set) = ~(sigset_t)0; } #define sigaddset(set, signo) ( *(set) |= 1L << ((signo) - 1), 0) #define sigdelset(set, signo) ( *(set) &= ~(1L << ((signo) - 1)), 0) #define sigismember(set, signo) ( (*(set) & (1L << ((signo) - 1))) != (sigset_t)0) #endif /* _KERNEL */ #endif /* lint */ #endif /* __LANGUAGE_C__ */ #endif /* _POSIX_SOURCE */ #ifdef _OSF_SOURCE /*---------------------------------------------------------------*/ /* include file needed for Floating Point emulation. We can take */ /* this out when we get real hardware. */ /*---------------------------------------------------------------*/ #ifdef _IBMRT #include #endif /* _IBMRT */ /* * Macro for converting signal number to a mask suitable for * sigblock(). */ #define sigmask(m) (1L << ((m)-1)) #define sigcantmask (sigmask(SIGKILL)|sigmask(SIGSTOP)) /* * sigvec structure used in sigvec compatibility interface. * The order of the fields in this structure must match those in * the sigaction structure (above). */ #ifdef __LANGUAGE_C__ struct sigvec { #ifdef _NO_PROTO void (*sv_handler)(); /* signal handler */ #else /* _NO_PROTO */ void (*sv_handler)(int); /* signal handler */ #endif /* _NO_PROTO */ int sv_mask; /* signal mask to apply */ int sv_flags; }; #define sv_onstack sv_flags /* isn't compatibility wonderful! */ /* * function prototypes for signal functions */ #ifndef _KERNEL #ifdef _NO_PROTO extern int sigvec(); #else /* _NO_PROTO */ #if defined(__cplusplus) extern "C" { #endif extern int sigvec(int, struct sigvec *, struct sigvec *); #if defined(__cplusplus) } #endif #endif /* _NO_PROTO */ #endif /* !_KERNEL */ #endif /* __LANGUAGE_C__ */ /* * signals delivered on a per-thread basis. */ #ifdef _KERNEL #define threadmask \ (sigmask(SIGILL)|sigmask(SIGTRAP)|sigmask(SIGIOT)| \ sigmask(SIGEMT)|sigmask(SIGFPE)|sigmask(SIGBUS)| \ sigmask(SIGSEGV)|sigmask(SIGSYS)|sigmask(SIGPIPE)) #define thread_signal_disposition(signo) (sigmask(signo)&threadmask) #define signal_disposition(signo) (*((thread_signal_disposition(signo) ? u.u_tsignal : u.u_signal)+signo)) /* * get signal action for process and signal; currently only for current process */ #define SIGACTION(p, sig) (signal_disposition(sig))) #endif /* _KERNEL */ /* * sigstack structure used in sigstack() system call */ #ifdef __LANGUAGE_C__ struct sigstack { char *ss_sp; /* signal stack pointer */ int ss_onstack; /* current status */ }; /* * Information pushed on stack when a signal is delivered. * This is used by the kernel to restore state following * execution of the signal handler. It is also made available * to the handler to allow it to properly restore state if * a non-standard exit is performed. */ struct sigcontext { #ifdef __alpha /* * Backward compatibility -- correlates with user space * notion of layout. */ long sc_onstack; /* sigstack state to restore */ long sc_mask; /* signal mask to restore */ #else int sc_onstack; /* sigstack state to restore */ int sc_mask; /* signal mask to restore */ #endif /* __alpha */ #ifdef vax int sc_sp; /* sp to restore */ int sc_fp; /* fp to restore */ int sc_ap; /* ap to restore */ int sc_pc; /* pc to restore */ int sc_ps; /* psl to restore */ #endif /* vax */ #if defined(mc68000) || defined(__mc68000) int sc_sp; /* sp to restore */ int sc_pc; /* pc to restore */ int sc_ps; /* psl to restore */ #endif /* mc68000 */ #ifdef multimax int sc_r0; /* r0 to restore */ int sc_r1; /* r1 to restore */ int sc_r2; /* r2 to restore */ int sc_sp; /* sp to restore */ int sc_pc; /* pc to restore */ int sc_ps; /* psl to restore */ #endif /* multimax */ #ifdef balance int sc_sp; /* sp to restore */ int sc_modpsr; /* mod/psr to restore */ int sc_sp; /* sp to restore */ int sc_pc; /* pc to restore */ int sc_ps; /* psl to restore */ #endif /* balance */ #ifdef ibmrt #define MAXSIGREGS 33 /* (INFO-R0+1) num regs sent to sighndlr */ char *sc_floatsave; /* -> (struct floatsave *) */ int sc_sp; /* sp to restore */ int sc_fp; /* fp to restore */ int sc_ap; /* ap to restore */ int sc_iar; /* ibmrt iar equivalent */ int sc_icscs; /* ibmrt psl equivalent */ #define sc_pc sc_iar #define sc_ps sc_icscs int sc_saveiar; /* saved copy of IAR for RTFL */ int sc_regs[MAXSIGREGS]; /* must be after sc_icscs */ #define sc_flags sc_onstack #define SC_ONSTACK SV_ONSTACK /* sc_flags: on signal stack */ #define SC_FLOATSAVE 0x8000 /* sc_flags: floating pt saved */ #define SC_EXCEPTION 0x4000 /* sc_flags: excpt packets saved */ #define SC_RTFL 0x2000 /* sc_flags: executing RTFL seq */ #endif /* ibmrt */ #ifdef i386 #define MAXSIGREGS 19 int sc_gs; int sc_fs; int sc_es; int sc_ds; int sc_edi; int sc_esi; int sc_ebp; int sc_esp; int sc_ebx; int sc_edx; int sc_ecx; int sc_eax; int sc_trapno; /* err & trapno keep the context */ int sc_err; /* switching code happy */ int sc_eip; int sc_cs; int sc_efl; int sc_uesp; int sc_ss; #endif /* i386 */ #ifdef __mips__ int sc_pc; /* pc at time of signal */ /* * General purpose registers */ int sc_regs[32]; /* processor regs 0 to 31 */ int sc_mdlo; /* mul/div low */ int sc_mdhi; /* mul/div high */ /* * Floating point coprocessor state */ int sc_ownedfp; /* fp has been used */ int sc_fpregs[32]; /* fp regs 0 to 31 */ int sc_fpc_csr; /* floating point control and status reg */ int sc_fpc_eir; /* floating point exception instruction reg */ /* * END OF REGION THAT MUST AGREE WITH setjmp.h */ /* * System coprocessor registers at time of signal */ int sc_cause; /* cp0 cause register */ int sc_badvaddr; /* cp0 bad virtual address */ int sc_badpaddr; /* cpu bd bad physical address */ #endif /* __mips__ */ #ifdef __alpha long sc_pc; /* pc at time of signal */ long sc_ps; /* psl to retore */ long sc_regs[32]; /* processor regs 0 to 31 */ long sc_ownedfp; /* fp has been used */ long sc_fpregs[32]; /* fp regs 0 to 31 */ unsigned long sc_fpcr; /* floating point control register */ unsigned long sc_fp_control; /* software fpcr */ /* * END OF REGION THAT MUST AGREE WITH jmp_buf REGION IN setjmp.h */ long sc_reserved1; /* reserved for user */ long sc_reserved2; /* reserved for user */ long sc_reserved3; /* reserved for user */ long sc_reserved4; /* reserved for user */ unsigned long sc_traparg_a0; /* a0 argument to trap on exception */ unsigned long sc_traparg_a1; /* a1 argument to trap on exception */ unsigned long sc_traparg_a2; /* a2 argument to trap on exception */ unsigned long sc_fp_trap_pc; /* imprecise pc */ unsigned long sc_fp_trigger_sum; /* Exception summary at trigger pc */ unsigned long sc_fp_trigger_inst; /* Instruction at trigger pc */ #endif /* __alpha */ #ifdef sparc int sc_sp; /* sp to restore */ int sc_pc; /* pc to retore */ int sc_npc; /* next pc to restore */ int sc_psr; /* psr to restore */ int sc_g1; /* register that must be restored */ int sc_o0; #endif /* sparc */ }; #endif /* __LANGUAGE_C__ */ /* * valid signal action values; other values => pointer to handler function */ #define BADSIG SIG_ERR /* * valid flags define for sa_flag field of sigaction structure */ #define SA_ONSTACK 0x00000001 /* run on special signal stack */ #define SA_RESTART 0x00000002 /* restart system calls on sigs */ #define SIGCLD SIGCHLD /* * flag bits defined for parameter to psig and sendsig; bits indicate * what context (where and how much) should be saved on signal delivery */ #define NO_VOLATILE_REGS 0x0001 #define USE_SAVE_AREA 0x0002 /* * macros to manipulate signal sets */ #define SIGINITSET(set) (set) = (sigset_t)0; #define SIGMASK(s) sigmask(s) #define SIGEMPTYSET(set) (set) = (sigset_t)0; #define SIGFILLSET(set) (set) = (sigset_t)~0; #define SIGDELSET(set, s) (set) &= ~SIGMASK(s); #define SIGADDSET(set, s) (set) |= SIGMASK(s); #define SIGISMEMBER(set,s) (((set) & SIGMASK(s)) != (sigset_t)0) #define SIGMASKSET(dest, mask) ((dest) &= ~(mask)) #define SIGORSET(dest, mask) ((dest) |= (mask)) /* * values in sv_onstack are interpreted identically to values in * sa_onstack for sigaction(); however, the following additional * names are defined for values in sv_onstack to be compatible with * old usage of sigvec() */ #define NSIG 32 /* maximum number of signals */ #define SIG_STK 0x00000001 /* bit for using sigstack stack */ #define SIG_STD 0x00000002 /* bit for old style signals */ #define SV_ONSTACK SA_ONSTACK /* take signal on signal stack */ #define SV_INTERRUPT SA_RESTART /* do not restart system on signal return */ #define _OLDSTYLE (2) #define _ONSTACK (1) #define _teststyle(n) ((n) & _OLDSTYLE) /** TRUE if Bell style signals. **/ #define _testonstack(n) ((n) & _ONSTACK) /** TRUE if on user-sig stack. **/ #define _setoldstyle(n) ((n) | _OLDSTYLE) #define _setnewstyle(n) ((n) & ~_OLDSTYLE) #define _setonstack(n) ((n) | _ONSTACK) #define _clronstack(n) ((n) & ~_ONSTACK) #define SIGMAX NSIG #if defined(mc68000) || defined(__mc68000) #define ILL_ILLINSTR_FAULT 0x10 /* illegal instruction fault */ #define ILL_PRIVVIO_FAULT 0x20 /* privilege violation fault */ #define ILL_COPROCERR_FAULT 0x34 /* [coprocesser protocol error fault] */ #define ILL_TRAP1_FAULT 0x84 /* trap #1 fault */ #define ILL_TRAP2_FAULT 0x88 /* trap #2 fault */ #define ILL_TRAP3_FAULT 0x8c /* trap #3 fault */ #define ILL_TRAP4_FAULT 0x90 /* trap #4 fault */ #define ILL_TRAP5_FAULT 0x94 /* trap #5 fault */ #define ILL_TRAP6_FAULT 0x98 /* trap #6 fault */ #define ILL_TRAP7_FAULT 0x9c /* trap #7 fault */ #define ILL_TRAP8_FAULT 0xa0 /* trap #8 fault */ #define ILL_TRAP9_FAULT 0xa4 /* trap #9 fault */ #define ILL_TRAP10_FAULT 0xa8 /* trap #10 fault */ #define ILL_TRAP11_FAULT 0xac /* trap #11 fault */ #define ILL_TRAP12_FAULT 0xb0 /* trap #12 fault */ #define ILL_TRAP13_FAULT 0xb4 /* trap #13 fault */ #define ILL_TRAP14_FAULT 0xb8 /* trap #14 fault */ #else /* mc68000 */ #define ILL_RESAD_FAULT 0x0 /* reserved addressing fault */ #define ILL_PRIVIN_FAULT 0x1 /* privileged instruction fault */ #define ILL_RESOP_FAULT 0x2 /* reserved operand fault */ #endif /* mc68000 */ #ifdef multimax #define ILL_FLAG_TRAP 0x3 /* flag trap taken */ #endif /* multimax */ #ifdef __mips__ #define ILL_COPR_UNUSABLE 0x3 /* coprocessor unusable */ #endif /* __mips__ */ #ifdef __alpha #define ILL_INST_FAULT 0x3 /* Illegal instruction */ #define ILL_MODE_FAULT 0x4 /* Illegal mode - VMSPAL only */ #endif /* __alpha */ #if defined(mc68000) || defined(__mc68000) #define EMT_EMU1010 0x28 /* line 1010 emulator trap */ #define EMT_EMU1111 0x2c /* line 1111 emulator trap */ #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ #define FPE_CHKINST_TRAP 0x18 /* CHK [CHK2] instruction */ #define FPE_TRAPV_TRAP 0x1c /* TRAPV [cpTRAPcc TRAPcc] instr */ #define FPE_FLTBSUN_TRAP 0xc0 /* [branch or set on unordered cond] */ #define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */ #define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */ #define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */ #define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */ #define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */ #define FPE_FLTNAN_TRAP 0xd8 /* [floating Not-A-Number] */ #else /* mc68000 */ #ifdef sparc #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ #define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */ #define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */ #define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */ #define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */ #define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */ #else /* sparc */ #define FPE_INTOVF_TRAP 0x1 /* integer overflow */ #define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ #define FPE_FLTOVF_TRAP 0x3 /* floating overflow */ #define FPE_FLTDIV_TRAP 0x4 /* floating/decimal divide by zero */ #define FPE_FLTUND_TRAP 0x5 /* floating underflow */ #define FPE_DECOVF_TRAP 0x6 /* decimal overflow */ #define FPE_SUBRNG_TRAP 0x7 /* subscript out of range */ #define FPE_FLTOVF_FAULT 0x8 /* floating overflow fault */ #define FPE_FLTDIV_FAULT 0x9 /* divide by zero floating fault */ #define FPE_FLTUND_FAULT 0xa /* floating underflow fault */ #endif /* sparc */ #endif /* mc68000 */ #if sun #define FPE_FPA_ENABLE 0x400 /* [FPA not enabled] */ #define FPE_FPA_ERROR 0x404 /* [FPA arithmetic exception] */ #endif /* sun */ #ifdef multimax #define FPE_ILLINST_FAULT 0xb /* Illegal FPU instruction */ #define FPE_INVLOP_FAULT 0xc /* Invalid operation */ #define FPE_INEXACT_FAULT 0xd /* Inexact result */ #define FPE_OPERAND_FAULT 0xe /* Operand fault */ #endif /* multimax */ #ifdef sparc #define BUS_ALIGN 0x1 /* alignment error */ #define EMT_TAG 0x0a /* tag overflow */ #define ILL_STACK 0x00 /* bad stack */ #endif /* sparc */ #if defined(__mips__) || defined(__alpha) #define FPE_UNIMP_FAULT 0xb /* Unimplemented FPU instruction */ #define FPE_INVALID_FAULT 0xc /* Invalid operation */ #define FPE_INEXACT_FAULT 0xd /* Inexact result */ #endif /* __mips__ || __alpha */ #if defined(__alpha) #define FPE_HPARITH_TRAP 0xe /* High performance trap */ #define FPE_INTOVF_FAULT 0xf /* Integer Overflow fault */ #define FPE_ILLEGAL_SHADOW_TRAP 0x10 /* Illegal Trap Shadow Trap */ #define FPE_GENTRAP 0x11 /* */ #endif /* __alpha */ /* * Special signal number for intermediate signal handler. */ #ifdef multimax #define SIGCATCHALL 0x400 #endif /* multimax */ /* * Codes for the mips break instruction. * (probably belong in a machine-specific header file) */ #if defined (mips) || defined (__alpha) #define BRK_USERBP 0 /* user bp (used by debuggers) */ #define BRK_KERNELBP 1 /* kernel bp (used by prom) */ #define BRK_ABORT 2 /* no longer used */ #define BRK_BD_TAKEN 3 /* for taken bd emulation */ #define BRK_BD_NOTTAKEN 4 /* for not taken bd emulation */ #define BRK_SSTEPBP 5 /* user bp (used by debuggers) */ #define BRK_OVERFLOW 6 /* overflow check */ #define BRK_DIVZERO 7 /* divide by zero check */ #define BRK_RANGE 8 /* range error check */ #define BRK_STACKOVERFLOW 9 /* used by ada */ #endif /* mips or __alpha */ #if !defined(_KERNEL) && defined(__LANGUAGE_C__) #ifdef _NO_PROTO extern int sigblock(); extern int sigpause(); extern int sigreturn(); extern int sigsetmask(); extern int sigstack(); extern int siginterrupt(); #else #if defined(__cplusplus) extern "C" { #endif extern int sigblock(int); extern int sigpause(int); extern int sigreturn(struct sigcontext *); extern int sigsetmask(int); extern int sigstack(struct sigstack *, struct sigstack *); extern int siginterrupt(int, int); #if defined(__cplusplus) } #endif #endif /* _NO_PROTO */ #endif /* !_KERNEL && __LANGUAGE_C__ */ #endif /* _OSF_SOURCE */ #endif /* _SYS_SIGNAL_H_ */