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 (defun software-version ()
23 "Return a string describing version of the supporting software, or NIL
25 #+nil ; won't work until we support RUN-PROGRAM..
26 (unless *software-version*
27 (setf *software-version*
28 (string-trim '(#\newline)
29 (with-output-to-string (stream)
30 (run-program "/usr/bin/uname"
35 ;;; OS-COLD-INIT-OR-REINIT initializes our operating-system interface.
36 ;;; It sets the values of the global port variables to what they
37 ;;; should be and calls the functions that set up the argument blocks
38 ;;; for the server interfaces.
39 (defun os-cold-init-or-reinit ()
40 (setf *software-version* nil))
42 ;;; Return system time, user time and number of page faults.
43 (defun get-system-info ()
44 (multiple-value-bind (err? utime stime maxrss ixrss idrss
46 (sb!unix:unix-getrusage sb!unix:rusage_self)
47 (declare (ignore maxrss ixrss idrss isrss minflt))
49 (error "Unix system call getrusage failed: ~A."
50 (sb!unix:get-unix-error-msg utime)))
52 (values utime stime majflt)))
54 ;;; Return the system page size.
55 (defun get-page-size ()
56 ;; FIXME: probably should call getpagesize()