| 1 | /* $Id: timeprog.cpp 8245 2008-04-21 17:24:28Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Time Relative to Program Start.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | *
|
|---|
| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 28 | * additional information or have any questions.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | /*******************************************************************************
|
|---|
| 33 | * Header Files *
|
|---|
| 34 | *******************************************************************************/
|
|---|
| 35 | #include <iprt/time.h>
|
|---|
| 36 | #include <iprt/assert.h>
|
|---|
| 37 | #include "internal/time.h"
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 |
|
|---|
| 41 | /**
|
|---|
| 42 | * Get the nanosecond timestamp relative to program startup.
|
|---|
| 43 | *
|
|---|
| 44 | * @returns Timestamp relative to program startup.
|
|---|
| 45 | */
|
|---|
| 46 | RTDECL(uint64_t) RTTimeProgramNanoTS(void)
|
|---|
| 47 | {
|
|---|
| 48 | return RTTimeNanoTS() - g_u64ProgramStartNanoTS;
|
|---|
| 49 | }
|
|---|
| 50 |
|
|---|
| 51 |
|
|---|
| 52 | /**
|
|---|
| 53 | * Get the microsecond timestamp relative to program startup.
|
|---|
| 54 | *
|
|---|
| 55 | * @returns Timestamp relative to program startup.
|
|---|
| 56 | */
|
|---|
| 57 | RTDECL(uint64_t) RTTimeProgramMicroTS(void)
|
|---|
| 58 | {
|
|---|
| 59 | return RTTimeProgramNanoTS() / 1000;
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | /**
|
|---|
| 64 | * Get the millisecond timestamp relative to program startup.
|
|---|
| 65 | *
|
|---|
| 66 | * @returns Timestamp relative to program startup.
|
|---|
| 67 | */
|
|---|
| 68 | RTDECL(uint64_t) RTTimeProgramMilliTS(void)
|
|---|
| 69 | {
|
|---|
| 70 | return RTTimeMilliTS() - g_u64ProgramStartMilliTS;
|
|---|
| 71 | }
|
|---|
| 72 |
|
|---|
| 73 |
|
|---|
| 74 | /**
|
|---|
| 75 | * Get the second timestamp relative to program startup.
|
|---|
| 76 | *
|
|---|
| 77 | * @returns Timestamp relative to program startup.
|
|---|
| 78 | */
|
|---|
| 79 | RTDECL(uint32_t) RTTimeProgramSecTS(void)
|
|---|
| 80 | {
|
|---|
| 81 | AssertMsg(g_u64ProgramStartMilliTS, ("RTR3Init hasn't been called!\n"));
|
|---|
| 82 | return (uint32_t)(RTTimeProgramMilliTS() / 1000);
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 |
|
|---|
| 86 | /**
|
|---|
| 87 | * Get the RTTimeNanoTS() of when the program started.
|
|---|
| 88 | *
|
|---|
| 89 | * @returns Program startup timestamp.
|
|---|
| 90 | */
|
|---|
| 91 | RTDECL(uint64_t) RTTimeProgramStartNanoTS(void)
|
|---|
| 92 | {
|
|---|
| 93 | return g_u64ProgramStartNanoTS;
|
|---|
| 94 | }
|
|---|
