-#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 ILL_RESAD_FAULT 0x0 /* reserved addressing fault */
-#define ILL_PRIVIN_FAULT 0x1 /* privileged instruction fault */
-#define ILL_RESOP_FAULT 0x2 /* reserved operand fault */
-/* CHME, CHMS, CHMU are not yet given back to users reasonably */
-#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 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 */
-#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 */
-#define SIGURG 16 /* urgent condition on IO channel */
-#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 SIGIO 23 /* input/output possible signal */
-#define SIGXCPU 24 /* exceeded CPU time limit */
-#define SIGXFSZ 25 /* exceeded file size limit */
-#define SIGVTALRM 26 /* virtual time alarm */
-#define SIGPROF 27 /* profiling time alarm */
-
-#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