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SIGNAL.H
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C/C++ Source or Header
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1991-04-11
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3KB
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77 lines
/* Copyright 1986 by Carnegie Mellon */
#ifndef NSIG
#define NSIG 32
#define SIGHUP 1 /* hangup */
#define SIGINT 2 /* interrupt */
#define SIGQUIT 3 /* quit */
#define SIGILL 4 /* illegal instruction (not reset when caught) */
#define SIGTRAP 5 /* trace trap (not reset when caught) */
#define SIGIOT 6 /* IOT instruction */
#define SIGEMT 7 /* EMT instruction */
#define SIGFPE 8 /* floating point exception */
#define K_INT_OVF_T 0x1 /* integer overflow */
#define K_INT_DIV_T 0x2 /* integer divide by zero */
#define K_FLT_OVF_T 0x3 /* floating overflow */
#define K_FLT_DIV_T 0x4 /* floating/decimal divide by zero */
#define K_FLT_UND_T 0x5 /* floating underflow */
#define K_DEC_OVF_T 0x6 /* decimal overflow */
#define K_SUB_RNG_T 0x7 /* subscript out of range */
#define K_FLT_OVF_F 0x8 /* floating overflow fault */
#define K_FLT_DIV_F 0x9 /* divide by zero floating fault */
#define K_FLT_UND_F 0xa /* floating underflow fault */
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#define SIGBUS 10 /* bus error */
#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 */
#define SIGTERM 15 /* software termination signal from kill */
/* these signals are not yet supported on nunix */
/*#define SIGSTOP 17 /* sendable stop signal not from tty */
/*#define SIGTSTP 18 /* stop signal from tty */
/*#define SIGCONT 19 /* continue a stopped process */
/*#define SIGCHLD 20 /* to parent on child stop or exit */
/*#define SIGTTIN 21 /* to readers pgrp upon background tty read */
/*#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
/*#define SIGTINT 23 /* to pgrp on every input character if LINTRUP */
/*#define SIGXCPU 24 /* exceeded CPU time limit */
/*#define SIGXFSZ 25 /* exceeded file size limit */
#define SIGSTAT 26 /* status update requested */
#define SIGMOUS 27 /* mouse interrupt */
#ifndef KERNEL
int (*signal())();
#endif
#define BADSIG (int (*)())-1
#define SIG_DFL (int (*)())0
#define SIG_IGN (int (*)())1
#ifdef KERNEL
#define SIG_CATCH (int (*)())2
#endif
#define SIG_HOLD (int (*)())3
#define SIGISDEFER(x) (((int)(x) & 1) != 0)
#define SIGUNDEFER(x) (int (*)())((int)(x) &~ 1)
#define DEFERSIG(x) (int (*)())((int)(x) | 1)
#define SIGNUMMASK 0377 /* to extract pure signal number */
#define SIGDOPAUSE 0400 /* do pause after setting action */
#define SIGDORTI 01000 /* do ret+rti after setting action */
#endif
/* old fashioned unix stuff */
#ifdef KERNEL
#define SIGINS SIGILL
#define SIGTRC SIGTRAP
#define SIGFPT SIGFPE
#define SIGKIL SIGKILL
#define SIGSEG SIGSEGV
#define SIGCLK SIGALRM
#define SIGTRM SIGTERM
#endif