-;;;; 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.
(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 ()
"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))
+ (or *software-version*
+ (setf *software-version*
+ (string-trim '(#\newline)
+ (with-output-to-string (stream)
+ (sb!ext:run-program "/bin/uname" `("-r")
+ :output stream))))))
-;;; Return system time, user time and number of page faults.
+;;; 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*)
+
+;;; support for CL:MACHINE-VERSION defined OAOO elsewhere
+(defun get-machine-version ()
+ (or
+ #!+(and mips little-endian)
+ "little-endian"
+ #!+(and mips big-endian)
+ "big-endian"
+ (let ((marker
+ ;; hoping "cpu" exists and gives something useful in
+ ;; all relevant Linuxen...
+ ;;
+ ;; from Lars Brinkhoff sbcl-devel 26 Jun 2003:
+ ;; I examined different versions of Linux/PPC at
+ ;; http://lxr.linux.no/ (the file that outputs
+ ;; /proc/cpuinfo is arch/ppc/kernel/setup.c, if
+ ;; you want to check), and all except 2.0.x
+ ;; seemed to do the same thing as far as the
+ ;; "cpu" field is concerned, i.e. it always
+ ;; starts with the (C-syntax) string "cpu\t\t: ".
+ #!+ppc "cpu"
+ ;; The field "model name" exists on kernel 2.4.21-rc6-ac1
+ ;; anyway, with values e.g.
+ ;; "AMD Athlon(TM) XP 2000+"
+ ;; "Intel(R) Pentium(R) M processor 1300MHz"
+ ;; which seem comparable to the information in the example
+ ;; in the MACHINE-VERSION page of the ANSI spec.
+ #!+(or x86 x86-64) "model name"))
+ (when marker
+ (with-open-file (stream "/proc/cpuinfo"
+ ;; Even on Linux it's an option to build
+ ;; kernels without /proc filesystems, so
+ ;; degrade gracefully.
+ :if-does-not-exist nil)
+ (loop with line while (setf line (read-line stream nil))
+ when (eql (search marker line) 0)
+ return (string-trim " " (subseq line (1+ (position #\: line))))))))))
projects / sbcl.git / blobdiff