Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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c/old/include/signal.h
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/* signal.h 6.1 83/08/14 */
#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
/*
* Signal vector "template" used in sigvec call.
*/
struct sigvec {
int (*sv_handler)(); /* signal handler */
int sv_mask; /* signal mask to apply */
int sv_onstack; /* if non-zero, take on signal stack */
};
/*
* Structure used in sigstack call.
*/
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 {
int sc_onstack; /* sigstack state to restore */
int sc_mask; /* signal mask to restore */
int sc_sp; /* sp to restore */
int sc_pc; /* pc to retore */
int sc_ps; /* psl to restore */
};
#define BADSIG (int (*)())-1
#define SIG_DFL (int (*)())0
#define SIG_IGN (int (*)())1
#ifdef KERNEL
#define SIG_CATCH (int (*)())2
#define SIG_HOLD (int (*)())3
#endif
#endif