O/S specific code

lib/isc/win32/os.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2000-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: os.c,v 1.1 2001/07/06 05:36:13 mayer Exp $ */
+
+#include <windows.h>
+
+static BOOL bInit = FALSE;
+static SYSTEM_INFO SystemInfo;
+static OSVERSIONINFO osVer;
+
+static void
+initialize_action(void) {
+	BOOL bSuccess;
+
+	if(bInit)
+		return;
+	
+	GetSystemInfo (&SystemInfo);
+	osVer.dwOSVersionInfoSize = sizeof(osVer);
+	bSuccess = GetVersionEx(&osVer);
+	bInit = TRUE;
+}
+
+unsigned int
+isc_os_ncpus(void) {
+	long ncpus = 1;
+	initialize_action();
+	ncpus = SystemInfo.dwNumberOfProcessors;
+	if (ncpus <= 0)
+		ncpus = 1;
+
+	return ((unsigned int)ncpus);
+}
+
+unsigned int
+isc_os_majorversion(void) {
+
+	initialize_action();
+	return ((unsigned int)osVer.dwMajorVersion);
+}
+
+unsigned int
+isc_os_minorversion(void) {
+
+	initialize_action();
+	return ((unsigned int)osVer.dwMinorVersion);
+}