freebsd-ports/emulators/virtualbox-ose/files/patch-src-VBox-Runtime-r3-freebsd-RTSystemQueryTotalRam-freebsd.cpp
Bernhard Froehlich 75bd97679a - Fix querying total and available RAM on i386
Submitted by:	Cy Schubert <cy@FreeBSD.org>
2013-07-10 17:57:07 +00:00

83 lines
2.8 KiB
C++

--- ./src/VBox/Runtime/r3/freebsd/RTSystemQueryTotalRam-freebsd.cpp.ORIG 2013-06-30 09:27:59.000000000 +0200
+++ ./src/VBox/Runtime/r3/freebsd/RTSystemQueryTotalRam-freebsd.cpp 2013-06-30 09:51:29.000000000 +0200
@@ -0,0 +1,80 @@
+/* $Id: RTSystemQueryTotalRam-freebsd.cpp $ */
+/** @file
+ * IPRT - RTSystemQueryTotalRam, FreeBSD style
+ */
+
+/*
+ * Copyright (C) 2013 Martin Birgmeier, Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*******************************************************************************
+* Header Files *
+*******************************************************************************/
+#include <iprt/system.h>
+#include "internal/iprt.h"
+
+#include <iprt/err.h>
+#include <iprt/assert.h>
+#include <iprt/string.h>
+
+/* FreeBSD */
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/errno.h>
+
+RTDECL(int) RTSystemQueryTotalRam(uint64_t *pcb)
+{
+ int mib[2];
+ size_t pcblen = sizeof(*pcb);
+
+ AssertPtrReturn(pcb, VERR_INVALID_POINTER);
+
+ mib[0] = CTL_HW;
+ mib[1] = HW_PHYSMEM; /* HW_REALMEM is also possible, but
+ includes non-main memory as well */
+ *pcb = 0;
+ if (sysctl(mib, 2, pcb, &pcblen, NULL, 0) == 0) {
+ if (pcblen == sizeof(*pcb) || pcblen == sizeof(uint32_t))
+ return VINF_SUCCESS;
+ else
+ return VERR_NO_MEMORY; /* XXX */
+ }
+ return RTErrConvertFromErrno(errno);
+}
+
+RTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
+{
+ int mib[2];
+ size_t pcblen = sizeof(*pcb);
+
+ AssertPtrReturn(pcb, VERR_INVALID_POINTER);
+
+ mib[0] = CTL_HW;
+ mib[1] = HW_USERMEM;
+ *pcb = 0;
+ if (sysctl(mib, 2, pcb, &pcblen, NULL, 0) == 0) {
+ if (pcblen == sizeof(*pcb) || pcblen == sizeof(uint32_t))
+ return VINF_SUCCESS;
+ else
+ return VERR_NO_MEMORY; /* XXX */
+ }
+ return RTErrConvertFromErrno(errno);
+}