From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp | 126 ++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp (limited to 'src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp') diff --git a/src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp b/src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp new file mode 100644 index 00000000..283a87bd --- /dev/null +++ b/src/VBox/Runtime/r0drv/os2/time-r0drv-os2.cpp @@ -0,0 +1,126 @@ +/* $Id: time-r0drv-os2.cpp $ */ +/** @file + * IPRT - Time, Ring-0 Driver, OS/2. + */ + +/* + * Contributed by knut st. osmundsen. + * + * Copyright (C) 2007-2023 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 . + * + * 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 + * -------------------------------------------------------------------- + * + * This code is based on: + * + * Copyright (c) 2007 knut st. osmundsen + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "the-os2-kernel.h" + +#include + + +RTDECL(uint64_t) RTTimeNanoTS(void) +{ + /** @remark OS/2 Ring-0: will wrap after 48 days. */ + return g_pGIS->msecs * UINT64_C(1000000); +} + + +RTDECL(uint64_t) RTTimeMilliTS(void) +{ + /** @remark OS/2 Ring-0: will wrap after 48 days. */ + return g_pGIS->msecs; +} + + +RTDECL(uint64_t) RTTimeSystemNanoTS(void) +{ + /** @remark OS/2 Ring-0: will wrap after 48 days. */ + return g_pGIS->msecs * UINT64_C(1000000); +} + + +RTDECL(uint64_t) RTTimeSystemMilliTS(void) +{ + /** @remark OS/2 Ring-0: will wrap after 48 days. */ + return g_pGIS->msecs; +} + + +RTDECL(PRTTIMESPEC) RTTimeNow(PRTTIMESPEC pTime) +{ + /* + * Get the seconds since the unix epoch (local time) and current hundredths. + */ + GINFOSEG volatile *pGIS = (GINFOSEG volatile *)g_pGIS; + UCHAR uchHundredths; + ULONG ulSeconds; + do + { + uchHundredths = pGIS->hundredths; + ulSeconds = pGIS->time; + } while ( uchHundredths == pGIS->hundredths + && ulSeconds == pGIS->time); + + /* + * Combine the two and convert to UCT (later). + */ + uint64_t u64 = ulSeconds * UINT64_C(1000000000) + (uint32_t)uchHundredths * 10000000; + /** @todo convert from local to UCT. */ + + /** @remark OS/2 Ring-0: Currently returns local time instead of UCT. */ + return RTTimeSpecSetNano(pTime, u64); +} + -- cgit v1.2.3