X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-signal.lisp;h=87f42d1bf544416bf1f29f328fc3a0dae6df448f;hb=b34c64b50e8ade72fabb565a38841c4710ee8f40;hp=1d99910facd3efce8354fa3b36860f8be2e181e1;hpb=0d669e68a1ffbea42af6216f2ae8c7d7ca12ffb6;p=sbcl.git

diff --git a/src/code/target-signal.lisp b/src/code/target-signal.lisp
index 1d99910..87f42d1 100644
--- a/src/code/target-signal.lisp
+++ b/src/code/target-signal.lisp
@@ -61,7 +61,7 @@
 ;;;; interface to enabling and disabling signal handlers
 
 (defun enable-interrupt (signal-designator handler)
-  (declare (type (or function (member :default :ignore)) handler))
+  (declare (type (or function fixnum (member :default :ignore)) handler))
   (without-gcing
    (let ((result (install-handler (unix-signal-number signal-designator)
 				  (case handler
@@ -72,7 +72,7 @@
 				      handler))))))
      (cond ((= result sig_dfl) :default)
 	   ((= result sig_ign) :ignore)
-	   (t (the function (sb!kernel:make-lisp-obj result)))))))
+	   (t (the (or function fixnum) (sb!kernel:make-lisp-obj result)))))))
 
 (defun default-interrupt (signal)
   (enable-interrupt signal :default))
@@ -86,7 +86,7 @@
 
 ;;; SIGINT is handled like BREAK, except that ANSI BREAK ignores
 ;;; *DEBUGGER-HOOK*, but we want SIGINT's BREAK to respect it, so that
-;;; SIGINT in --noprogrammer mode will cleanly terminate the system
+;;; SIGINT in --disable-debugger mode will cleanly terminate the system
 ;;; (by respecting the *DEBUGGER-HOOK* established in that mode).
 (defun sigint-%break (format-string &rest format-arguments)
   (apply #'%break 'sigint format-string format-arguments))
@@ -114,7 +114,11 @@
 #!-linux
 (define-signal-handler sigsys-handler "bad argument to a system call")
 (define-signal-handler sigpipe-handler "SIGPIPE")
-(define-signal-handler sigalrm-handler "SIGALRM")
+
+(defun sigalrm-handler (signal info context)
+  (declare (ignore signal info context))
+  (declare (type system-area-pointer context))
+  (cerror "Continue" 'sb!ext::timeout))
 
 (defun sigquit-handler (signal code context)
   (declare (ignore signal code context))