1 ;;;; OS interface functions for SBCL under BSD Unix.
3 ;;;; This code was written as part of the CMU Common Lisp project at
4 ;;;; Carnegie Mellon University, and has been placed in the public
9 ;;;; Check that target machine features are set up consistently with
12 (eval-when (:compile-toplevel :load-toplevel :execute)
13 (error "The :BSD feature is missing, we shouldn't be doing this code."))
15 (defun software-type ()
17 "Return a string describing the supporting software."
18 (the string ; (to force error in case of unsupported BSD variant)
24 (defun software-version ()
26 "Return a string describing version of the supporting software, or NIL
28 (or *software-version*
29 (setf *software-version*
30 (string-trim '(#\newline)
31 (with-output-to-string (stream)
32 (sb!ext:run-program "/usr/bin/uname" `("-r")
35 ;;; Return system time, user time and number of page faults.
36 (defun get-system-info ()
37 (multiple-value-bind (err? utime stime maxrss ixrss idrss
39 (sb!unix:unix-getrusage sb!unix:rusage_self)
40 (declare (ignore maxrss ixrss idrss isrss minflt))
42 (simple-perror "Unix system call getrusage() failed" :errno utime))
44 (values utime stime majflt)))
46 ;;; Return the system page size.
47 (defun get-page-size ()
48 ;; FIXME: probably should call getpagesize()