e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki/*
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * Copyright (C) 2015, 2016 Internet Systems Consortium, Inc. ("ISC")
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki *
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * This Source Code Form is subject to the terms of the Mozilla Public
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * License, v. 2.0. If a copy of the MPL was not distributed with this
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * file, You can obtain one at http://mozilla.org/MPL/2.0/.
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki */
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki
b39bbe3c950a524f2d683f660fe243307da04d66Francis Dupont#include <config.h>
b39bbe3c950a524f2d683f660fe243307da04d66Francis Dupont
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#include <isc/meminfo.h>
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#include <unistd.h>
d8e6cd0f8baf432be8fb4de9e77c81e3ebb555cdMark Andrews#ifdef HAVE_SYS_SYSCTL_H
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#include <sys/sysctl.h>
d8e6cd0f8baf432be8fb4de9e77c81e3ebb555cdMark Andrews#endif
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecickiisc_uint64_t
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecickiisc_meminfo_totalphys(void) {
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#if defined(CTL_HW) && (defined(HW_PHYSMEM64) || defined(HW_MEMSIZE))
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki int mib[2];
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki mib[0] = CTL_HW;
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#if defined(HW_MEMSIZE)
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki mib[1] = HW_MEMSIZE;
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#elif defined(HW_PHYSMEM64)
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki mib[1] = HW_PHYSMEM64;
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#endif
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki isc_uint64_t size = 0;
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki size_t len = sizeof(size);
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki if (sysctl(mib, 2, &size, &len, NULL, 0) == 0)
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki return (size);
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#endif
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#if defined(_SC_PHYS_PAGES) && defined(_SC_PAGESIZE)
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki return ((size_t) (sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE)));
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki#endif
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki return (0);
e6d0a391f5f9b18f5bd497aefff269e474ee560cWitold Krecicki}