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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp')
-rw-r--r-- | src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp b/src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp new file mode 100644 index 00000000..75c8ca8a --- /dev/null +++ b/src/VBox/Runtime/r0drv/darwin/time-r0drv-darwin.cpp @@ -0,0 +1,108 @@ +/* $Id: time-r0drv-darwin.cpp $ */ +/** @file + * IPRT - Time, Ring-0 Driver, Darwin. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox 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. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_TIME +#include "the-darwin-kernel.h" +#include "internal/iprt.h" +#include <iprt/time.h> + +#include <iprt/asm.h> + + +DECLINLINE(uint64_t) rtTimeGetSystemNanoTS(void) +{ + static int8_t s_fSimple = -1; + + /* first call: check if life is simple or not. */ + if (s_fSimple < 0) + { + struct mach_timebase_info Info; + clock_timebase_info(&Info); + ASMAtomicXchgS8((int8_t * volatile)&s_fSimple, Info.denom == 1 && Info.numer == 1); + } + + /* special case: absolute time is in nanoseconds */ + if (s_fSimple) + return mach_absolute_time(); + + /* general case: let mach do the mult/div for us. */ + uint64_t u64; + absolutetime_to_nanoseconds(mach_absolute_time(), &u64); + return u64; +} + + +RTDECL(uint64_t) RTTimeNanoTS(void) +{ + return rtTimeGetSystemNanoTS(); +} + + +RTDECL(uint64_t) RTTimeMilliTS(void) +{ + return rtTimeGetSystemNanoTS() / RT_NS_1MS; +} + + +RTDECL(uint64_t) RTTimeSystemNanoTS(void) +{ + return rtTimeGetSystemNanoTS(); +} + + +RTDECL(uint64_t) RTTimeSystemMilliTS(void) +{ + return rtTimeGetSystemNanoTS() / RT_NS_1MS; +} + + +RTDECL(PRTTIMESPEC) RTTimeNow(PRTTIMESPEC pTime) +{ +#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060 + uint32_t uSecs; + uint32_t uNanosecs; +#else + clock_sec_t uSecs; + clock_nsec_t uNanosecs; +#endif + clock_get_calendar_nanotime(&uSecs, &uNanosecs); + return RTTimeSpecSetNano(pTime, (int64_t)uSecs * RT_NS_1SEC + uNanosecs); +} + |