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(top-repl): Check (defined? 'SIGBUS) before using that

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value, there's no such signal on mingw.  Reported by Cesar Strauss.
This commit is contained in:
Kevin Ryde 2007-01-03 21:48:35 +00:00
parent fa7bade131
commit f4fbe4a4f5
1 changed files with 8 additions and 2 deletions
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10
ice-9/boot-9.scm
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@ -1,6 +1,6 @@
;;; installed-scm-file
;;;; Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006
;;;; Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007
;;;; Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
@ -3403,14 +3403,20 @@
'(ice-9 debugger) '(debug)))
;; Note: SIGFPE, SIGSEGV and SIGBUS are actually "query-only" (see
;; scmsigs.c scm_sigaction_for_thread), so the handlers setup here have
;; no effect.
(let ((old-handlers #f)
(signals (if (provided? 'posix)
`((,SIGINT . "User interrupt")
(,SIGFPE . "Arithmetic error")
(,SIGBUS . "Bad memory access (bus error)")
(,SIGSEGV
. "Bad memory access (Segmentation violation)"))
'())))
;; no SIGBUS on mingw
(if (defined? 'SIGBUS)
(set! signals (acons SIGBUS "Bad memory access (bus error)"
signals)))
(dynamic-wind