scsh-0.6/scsh/generic/signals.scm

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2003-05-01 06:21:33 -04:00
;;; Signal constant definitions for "generic"
;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
;;; Copyright (c) 1994 by Brian D. Carlstrom.
;;POSIX only defined here.
(define-enum-constants signal
;; POSIX
(hup 1) ; hangup
(int 2) ; interrupt
(quit 3) ; quit
(ill 4) ; illegal instruction (not reset when caught)
(iot 6) ; IOT instruction
(abrt 6) ; used by abort, replace SIGIOT in the future
(fpe 8) ; floating point exception
(kill 9) ; kill (cannot be caught or ignored)
(segv 11) ; segmentation violation
(pipe 13) ; write on a pipe with no one to read it
(alrm 14) ; alarm clock
(term 15) ; software termination signal from kill
(stop 17) ; sendable stop signal not from tty
(tstp 18) ; stop signal from tty
(cont 19) ; continue a stopped process
(chld 20) ; to parent on child stop or exit
(ttin 21) ; to readers pgrp upon background tty read
(ttou 22) ; like TTIN for output if (tp->t_local&LTOSTOP)
;; User defined
(usr1 30) ; user defined signal 1
(usr2 31) ; user defined signal 2
)
(define signals-ignored-by-default
(list signal/chld signal/cont)) ; These are Posix.