1 ;;;; OS interface functions for CMU CL under Linux
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; This software is derived from the CMU CL system, which was
7 ;;;; written at Carnegie Mellon University and released into the
8 ;;;; public domain. The software is in the public domain and is
9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
10 ;;;; files for more information.
14 ;;; Check that target machine features are set up consistently with
16 #!-linux (error "missing :LINUX feature")
18 (defun software-type ()
20 "Return a string describing the supporting software."
23 (defvar *software-version* nil)
25 ;;; FIXME: More duplicated logic here vrt. other oses. Abstract into
26 ;;; uname-software-version?
27 (defun software-version ()
29 "Return a string describing version of the supporting software, or NIL
31 (or *software-version*
32 (setf *software-version*
33 (string-trim '(#\newline)
34 (with-output-to-string (stream)
35 (sb!ext:run-program "/bin/uname" `("-r")
38 ;;; FIXME: This logic is duplicated in other backends:
39 ;;; abstract, abstract. OS-COMMON-COLD-INIT-OR-REINIT, mayhaps?
40 (defun os-cold-init-or-reinit () ; KLUDGE: don't know what to do here
41 (/show0 "entering linux-os.lisp OS-COLD-INIT-OR-REINIT")
42 (setf *software-version* nil)
43 (/show0 "setting *DEFAULT-PATHNAME-DEFAULTS*")
44 (setf *default-pathname-defaults*
45 ;; (temporary value, so that #'PATHNAME won't blow up when
47 (make-trivial-default-pathname)
48 *default-pathname-defaults*
49 ;; (final value, constructed using #'PATHNAME:)
50 (pathname (sb!unix:posix-getcwd/)))
51 (/show0 "leaving linux-os.lisp OS-COLD-INIT-OR-REINIT"))
53 ;;; Return system time, user time and number of page faults.
54 (defun get-system-info ()
56 (err? utime stime maxrss ixrss idrss isrss minflt majflt)
57 (sb!unix:unix-getrusage sb!unix:rusage_self)
58 (declare (ignore maxrss ixrss idrss isrss minflt))
59 (unless err? ; FIXME: nonmnemonic (reversed) name for ERR?
60 (error "Unix system call getrusage failed: ~A." (strerror utime)))
61 (values utime stime majflt)))
63 ;;; Return the system page size.
64 (defun get-page-size ()
65 ;; probably should call getpagesize()
66 ;; FIXME: Or we could just get rid of this, since the uses of it look