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
12 ;;;; Check that target machine features are set up consistently with
14 #!-bsd (eval-when (:compile-toplevel :load-toplevel :execute)
15 (error "The :BSD feature is missing, we shouldn't be doing this code."))
17 (defun software-type ()
19 "Return a string describing the supporting software."
20 (the string ; (to force error in case of unsupported BSD variant)
22 #!+OpenBSD "OpenBSD"))
24 (defun software-version ()
26 "Return a string describing version of the supporting software, or NIL
28 #+nil ; won't work until we support RUN-PROGRAM..
29 (unless *software-version*
30 (setf *software-version*
31 (string-trim '(#\newline)
32 (with-output-to-string (stream)
33 (run-program "/usr/bin/uname"
38 ;;; OS-COLD-INIT-OR-REINIT initializes our operating-system interface.
39 ;;; It sets the values of the global port variables to what they
40 ;;; should be and calls the functions that set up the argument blocks
41 ;;; for the server interfaces.
42 (defun os-cold-init-or-reinit ()
43 (setf *software-version* nil))
45 ;;; Return system time, user time and number of page faults.
46 (defun get-system-info ()
47 (multiple-value-bind (err? utime stime maxrss ixrss idrss
49 (sb!unix:unix-getrusage sb!unix:rusage_self)
50 (declare (ignore maxrss ixrss idrss isrss minflt))
52 (error "Unix system call getrusage failed: ~A."
53 (sb!unix:get-unix-error-msg utime)))
55 (values utime stime majflt)))
57 ;;; Return the system page size.
58 (defun get-page-size ()
59 ;; FIXME: probably should call getpagesize()