Tighter floating-point type constraints in some cases

[sbcl.git] / src / code / run-program.lisp

diff --git a/src/code/run-program.lisp b/src/code/run-program.lisp
index 4d364ed..b854e31 100644 (file)
--- a/src/code/run-program.lisp
+++ b/src/code/run-program.lisp
@@ -455,6 +455,7 @@ status slot."
           (copy-descriptor-to-stream new-fd pty cookie external-format)))
       (values name
               (sb-sys:make-fd-stream master :input t :output t
+                                     :external-format external-format
                                      :element-type :default
                                      :dual-channel-p t)))))
 
@@ -495,7 +496,7 @@ status slot."
         ;; Copy string.
         (sb-kernel:copy-ub8-to-system-area octets 0 string-sap 0 size)
         ;; NULL-terminate it
-        (setf (sap-ref-32 string-sap size) 0)
+        (sb-kernel:system-area-ub8-fill 0 string-sap size 4)
         ;; Put the pointer in the vector.
         (setf (sap-ref-sap vec-sap vec-index-offset) string-sap)
         ;; Advance string-sap for the next string.
@@ -734,7 +735,7 @@ Users Manual for details about the PROCESS structure."#-win32"
                         #+win32 `(declare (ignore ,pty ,cookie))
                         #+win32 `(let (,pty-name ,pty-stream) ,@body)
                         #-win32 `(multiple-value-bind (,pty-name ,pty-stream)
-                                     (open-pty ,pty ,cookie)
+                                     (open-pty ,pty ,cookie :external-format external-format)
                                    ,@body))
                       (with-args-vec ((vec args) &body body)
                         `(with-c-strvec (,vec ,args)
@@ -772,7 +773,7 @@ Users Manual for details about the PROCESS structure."#-win32"
                                                   (if search 1 0)
                                                   environment-vec pty-name
                                                   (if wait 1 0))))
-                             (unless (= child -1)
+                             (unless (minusp child)
                                (setf proc
                                      (apply
                                       #'make-process
@@ -790,21 +791,29 @@ Users Manual for details about the PROCESS structure."#-win32"
                                                   (list :%status :running))))
                                (push proc *active-processes*)))))
                        ;; Report the error outside the lock.
-                       (when (= child -1)
-                         (error "couldn't fork child process: ~A"
-                                (strerror)))))))))
+                       #+win32
+                       (when (minusp child)
+                         (error "Couldn't execute ~S: ~A" progname (strerror)))
+                       #-win32
+                       (case child
+                         (-2
+                          (error "Couldn't execute ~S: ~A" progname (strerror)))
+                         (-1
+                          (error "Couldn't fork child process: ~A" (strerror))))))))))
         (dolist (fd *close-in-parent*)
           (sb-unix:unix-close fd))
         (unless proc
           (dolist (fd *close-on-error*)
             (sb-unix:unix-close fd))
-          ;; FIXME: nothing seems to set this.
           #-win32
           (dolist (handler *handlers-installed*)
-            (sb-sys:remove-fd-handler handler))))
-      #-win32
-      (when (and wait proc)
-        (process-wait proc))
+            (sb-sys:remove-fd-handler handler)))
+        #-win32
+        (when (and wait proc)
+          (unwind-protect
+               (process-wait proc)
+            (dolist (handler *handlers-installed*)
+              (sb-sys:remove-fd-handler handler)))))
       proc)))
 
 ;;; Install a handler for any input that shows up on the file
@@ -895,7 +904,9 @@ Users Manual for details about the PROCESS structure."#-win32"
                       (strerror errno)))
                     (t
                      (incf read-end count)
-                     (funcall copy-fun))))))))))
+                     (funcall copy-fun))))))))
+    #-win32
+    (push handler *handlers-installed*)))
 
 ;;; FIXME: something very like this is done in SB-POSIX to treat
 ;;; streams as file descriptor designators; maybe we can combine these