X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Funix.lisp;h=7c1298d3ec7813c1bd707fbd93e448c90a2fbc25;hb=15d6e7c9a2c3234f95dfe278046fa2fee1b0c007;hp=b0e1811a7a0fb3e5568e2965241d0e544c6843da;hpb=1d794dfd69a5cfd7150166a48096cf5a5e4fe1e7;p=sbcl.git

diff --git a/src/code/unix.lisp b/src/code/unix.lisp
index b0e1811..7c1298d 100644
--- a/src/code/unix.lisp
+++ b/src/code/unix.lisp
@@ -64,21 +64,25 @@
 ;;; implemented using SB!XC:DEFMACRO wrapped in EVAL-WHEN.
 
 (defmacro syscall ((name &rest arg-types) success-form &rest args)
-  `(let ((result (alien-funcall (extern-alien ,name (function int ,@arg-types))
+  `(locally
+    (declare (optimize (sb!c::float-accuracy 0)))
+    (let ((result (alien-funcall (extern-alien ,name (function int ,@arg-types))
 				,@args)))
-     (if (minusp result)
-	 (values nil (get-errno))
-        ,success-form)))
+      (if (minusp result)
+	  (values nil (get-errno))
+	  ,success-form))))
 
 ;;; This is like SYSCALL, but if it fails, signal an error instead of
 ;;; returning error codes. Should only be used for syscalls that will
 ;;; never really get an error.
 (defmacro syscall* ((name &rest arg-types) success-form &rest args)
-  `(let ((result (alien-funcall (extern-alien ,name (function int ,@arg-types))
-				,@args)))
-     (if (minusp result)
-	 (error "Syscall ~A failed: ~A" ,name (strerror))
-	 ,success-form)))
+  `(locally
+    (declare (optimize (sb!c::float-accuracy 0)))
+    (let ((result (alien-funcall (extern-alien ,name (function int ,@arg-types))
+				 ,@args)))
+      (if (minusp result)
+	  (error "Syscall ~A failed: ~A" ,name (strerror))
+	  ,success-form))))
 
 (/show0 "unix.lisp 109")
 
@@ -237,7 +241,7 @@
 
 ;;; UNIX-WRITE accepts a file descriptor, a buffer, an offset, and the
 ;;; length to write. It attempts to write len bytes to the device
-;;; associated with fd from the the buffer starting at offset. It returns
+;;; associated with fd from the buffer starting at offset. It returns
 ;;; the actual number of bytes written.
 (defun unix-write (fd buf offset len)
   (declare (type unix-fd fd)
@@ -964,7 +968,9 @@ previous timer after the body has finished executing"
     `(multiple-value-bind (,word ,bit) (floor ,offset 32)
        (setf (deref (slot ,fd-set 'fds-bits) ,word)
 	     (logand (deref (slot ,fd-set 'fds-bits) ,word)
-		     (sb!kernel:32bit-logical-not
+                     ;; FIXME: This may not be quite right for 64-bit
+                     ;; ports of SBCL.  --njf, 2004-08-04
+		     (sb!kernel:word-logical-not
 		      (truly-the (unsigned-byte 32) (ash 1 ,bit))))))))
 
 ;;; not checked for linux...