1 ;;;; OS interface functions for CMU CL 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
11 #!-bsd (eval-when (:compile-toplevel :load-toplevel :execute)
12 (error "The :BSD feature is missing, we shouldn't be doing this code."))
14 (defun software-type ()
16 "Return a string describing the supporting software."
17 (the string ; (to force error in case of unsupported BSD variant)
19 #!+OpenBSD "OpenBSD"))
21 (defvar *software-version* nil)
23 (defun software-version ()
25 "Return a string describing version of the supporting software, or NIL
27 (or *software-version*
28 (setf *software-version*
29 (string-trim '(#\newline)
30 (with-output-to-string (stream)
31 (sb!ext:run-program "/usr/bin/uname" `("-r")
34 (defun os-cold-init-or-reinit ()
35 (setf *software-version* nil)
36 (setf *default-pathname-defaults*
37 (pathname (sb!ext::default-directory))))
39 ;;; Return system time, user time and number of page faults.
40 (defun get-system-info ()
41 (multiple-value-bind (err? utime stime maxrss ixrss idrss
43 (sb!unix:unix-getrusage sb!unix:rusage_self)
44 (declare (ignore maxrss ixrss idrss isrss minflt))
46 (simple-perror "Unix system call getrusage failed" :errno utime))
48 (values utime stime majflt)))
50 ;;; Return the system page size.
51 (defun get-page-size ()
52 ;; FIXME: probably should call getpagesize()