X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-signal.lisp;h=4d3e40e32cbd884929d09de5348d180f0c7b82c5;hb=40a26a4dd7f2891e78421ba465b99bb67f892856;hp=b627bd93f33261bd37b4afdcb971b1f8fc9ca5aa;hpb=94ea2b2082deaa0331dfb66fa6af6ca12dd8dc83;p=sbcl.git diff --git a/src/code/target-signal.lisp b/src/code/target-signal.lisp index b627bd9..4d3e40e 100644 --- a/src/code/target-signal.lisp +++ b/src/code/target-signal.lisp @@ -45,11 +45,10 @@ ;;; listing the signals that were masked (sb!alien:define-alien-routine "reset_signal_mask" sb!alien:void) -(sb!alien:define-alien-routine "block_blockable_signals" sb!alien:void) ;;;; C routines that actually do all the work of establishing signal handlers (sb!alien:define-alien-routine ("install_handler" install-handler) - sb!alien:unsigned-long + sb!alien:unsigned-long (signal sb!alien:int) (handler sb!alien:unsigned-long)) @@ -60,15 +59,15 @@ (/show0 "enable-interrupt") (without-gcing (let ((result (install-handler signal - (case handler - (:default sig_dfl) - (:ignore sig_ign) - (t - (sb!kernel:get-lisp-obj-address - handler)))))) + (case handler + (:default sig_dfl) + (:ignore sig_ign) + (t + (sb!kernel:get-lisp-obj-address + handler)))))) (cond ((= result sig_dfl) :default) - ((= result sig_ign) :ignore) - (t (the (or function fixnum) (sb!kernel:make-lisp-obj result))))))) + ((= result sig_ign) :ignore) + (t (the (or function fixnum) (sb!kernel:make-lisp-obj result))))))) (defun default-interrupt (signal) (enable-interrupt signal :default)) @@ -97,15 +96,15 @@ (eval-when (:compile-toplevel :execute) (sb!xc:defmacro define-signal-handler (name - what - &optional (function 'error)) + what + &optional (function 'error)) `(defun ,name (signal info context) (declare (ignore signal info)) (declare (type system-area-pointer context)) (/show "in Lisp-level signal handler" ,(symbol-name name) (sap-int context)) (,function ,(concatenate 'simple-string what " at #X~X") - (with-alien ((context (* os-context-t) context)) - (sap-int (sb!vm:context-pc context))))))) + (with-alien ((context (* os-context-t) context)) + (sap-int (sb!vm:context-pc context))))))) (define-signal-handler sigint-handler "interrupted" sigint-%break) (define-signal-handler sigill-handler "illegal instruction") @@ -122,7 +121,7 @@ (defun sigalrm-handler (signal info context) (declare (ignore signal info context)) (declare (type system-area-pointer context)) - (cerror "Continue" 'sb!ext::timeout)) + (sb!impl::run-expired-timers)) (defun sigquit-handler (signal code context) (declare (ignore signal code context)) @@ -145,6 +144,7 @@ (enable-interrupt sigsys #'sigsys-handler) (enable-interrupt sigpipe #'sigpipe-handler) (enable-interrupt sigalrm #'sigalrm-handler) + (sb!unix::reset-signal-mask) (values)) ;;;; etc. @@ -164,20 +164,20 @@ Establish function as a handler for the Unix signal interrupt which should be a number between 1 and 31 inclusive." (let ((il (gensym)) - (it (gensym))) + (it (gensym))) `(let ((,il NIL)) (unwind-protect - (progn - ,@(do* ((item interrupt-list (cdr item)) - (intr (caar item) (caar item)) - (ifcn (cadar item) (cadar item)) - (forms NIL)) - ((null item) (nreverse forms)) - (when (symbolp intr) - (setq intr (symbol-value intr))) - (push `(push `(,,intr ,(enable-interrupt ,intr ,ifcn)) ,il) - forms)) - ,@body) - (dolist (,it (nreverse ,il)) - (enable-interrupt (car ,it) (cadr ,it))))))) + (progn + ,@(do* ((item interrupt-list (cdr item)) + (intr (caar item) (caar item)) + (ifcn (cadar item) (cadar item)) + (forms NIL)) + ((null item) (nreverse forms)) + (when (symbolp intr) + (setq intr (symbol-value intr))) + (push `(push `(,,intr ,(enable-interrupt ,intr ,ifcn)) ,il) + forms)) + ,@body) + (dolist (,it (nreverse ,il)) + (enable-interrupt (car ,it) (cadr ,it))))))) |#