1.0.23.40: export page sizes to C with LU suffix

[sbcl.git] / src / code / linux-os.lisp

diff --git a/src/code/linux-os.lisp b/src/code/linux-os.lisp
index 8d7abc0..134ca54 100644 (file)
--- a/src/code/linux-os.lisp
+++ b/src/code/linux-os.lisp
@@ -1,4 +1,4 @@
-;;;; OS interface functions for CMU CL under Linux
+;;;; OS interface functions for SBCL under Linux
 
 ;;;; This software is part of the SBCL system. See the README file for
 ;;;; more information.
@@ -11,10 +11,8 @@
 
 (in-package "SB!SYS")
 
-(file-comment
-  "$Header$")
-
-;;; Check that target machine features are set up consistently with this file.
+;;; Check that target machine features are set up consistently with
+;;; this file.
 #!-linux (error "missing :LINUX feature")
 
 (defun software-type ()
@@ -22,44 +20,29 @@
   "Return a string describing the supporting software."
   (values "Linux"))
 
+;;; FIXME: More duplicated logic here vrt. other oses. Abstract into
+;;; uname-software-version?
 (defun software-version ()
   #!+sb-doc
   "Return a string describing version of the supporting software, or NIL
   if not available."
-  ;; The old CMU CL code is NILed out here. If we wanted to do this, we should
-  ;; probably either use "/bin/uname -r", but since in any case we don't have
-  ;; RUN-PROGRAM working right now (sbcl-0.6.4), for now we just punt,
-  ;; returning NIL.
-  #+nil
-  (string-trim '(#\newline)
-              (with-output-to-string (stream)
-                (run-program "/usr/cs/etc/version" ; Site dependent???
-                             nil :output stream)))
-  nil)
-
-;;; OS-COLD-INIT-OR-REINIT initializes our operating-system interface.
-;;; It sets the values of the global port variables to what they
-;;; should be and calls the functions that set up the argument blocks
-;;; for the server interfaces.
-(defun os-cold-init-or-reinit () ; KLUDGE: don't know what to do here
-  #!+sparc ;; Can't use #x20000000 thru #xDFFFFFFF, but mach tries to let us.
-  (sb!sys:allocate-system-memory-at (sb!sys:int-sap #x20000000) #xc0000000))
-
-;;; Return system time, user time and number of page faults.
+  (or *software-version*
+      (setf *software-version*
+            (string-trim '(#\newline)
+                         (with-output-to-string (stream)
+                           (sb!ext:run-program "/bin/uname" `("-r")
+                                               :output stream))))))
+
+;;; Return user time, system time, and number of page faults.
 (defun get-system-info ()
   (multiple-value-bind
       (err? utime stime maxrss ixrss idrss isrss minflt majflt)
       (sb!unix:unix-getrusage sb!unix:rusage_self)
     (declare (ignore maxrss ixrss idrss isrss minflt))
     (unless err? ; FIXME: nonmnemonic (reversed) name for ERR?
-      (error "Unix system call getrusage failed: ~A."
-            (sb!unix:get-unix-error-msg utime)))
-
+      (error "Unix system call getrusage failed: ~A." (strerror utime)))
     (values utime stime majflt)))
 
 ;;; Return the system page size.
 (defun get-page-size ()
-  ;; probably should call getpagesize()
-  ;; FIXME: Or we could just get rid of this, since the uses of it look
-  ;; disposable.
-  4096)
+  sb!c:*backend-page-bytes*)