scsh-0.5/scsh/aix/signals.scm

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Scheme

;;; Signal constant definitions for AIX
;;; Copyright (c) 1994 by Olin Shivers. See file COPYING.
;;; Copyright (c) 1994 by Brian D. Carlstrom.
;;; AIX version by Chipsy Sperber
;;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 5) ; IOT instruction
(abrt 6) ; used by abort, replace SIGIOT in the future
(fpe 8) ; floating point exception
(emt 7) ; EMT intruction
(fpe 8) ; floating point exception
(kill 9) ; kill (cannot be caught or ignored)
(bus 10) ; bus error (specification exception)
(segv 11) ; segmentation violation
(sys 12) ; bad argument to system call
(pipe 13) ; write on a pipe with no one to read it
(alrm 14) ; alarm clock
(term 15) ; software termination signal from kill
(urg 16) ; urgent contition on I/O channel
(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)
(io 23) ; I/O possible, or completed
(xcpu 24) ; cpu time limit exceeded (see setrlimit)
(xfsz 25) ; file size limit exceeded (see setrlimit)
(msg 27) ; input data is in the HFT ring buffer
(winch 28) ; window size changed
(pwr 29) ; power-fail restart
(usr1 30) ; user defined signal 1
(usr2 31) ; user defined signal 2
(prof 32) ; profiling time alarm (see setitimer)
(danger 33) ; system crash imminent; free up some page space
(vtalrm 34) ; virtual time alarm (see setitimer)
(migrate 35) ; migrate process (see TCF)
(pre 36) ; programming exception
(virt 37) ; AIX virtual time alarm
)
(define signals-ignored-by-default
(list signal/chld signal/cont ; These are Posix.
signal/urg signal/io signal/winch signal/pwr ; These are AIX
signal/danger))