X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-signal.lisp;h=87f42d1bf544416bf1f29f328fc3a0dae6df448f;hb=f409f90c5e8c4c87ed9fa6efdc0e5c1952d94602;hp=9ad1f365d850d17c6d531c5e503af25779a8932c;hpb=f0d511130027c6878f08d619ccc92ef588d81223;p=sbcl.git

diff --git a/src/code/target-signal.lisp b/src/code/target-signal.lisp
index 9ad1f36..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))
@@ -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))