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Sweden-Number/dlls/kernel32/time.c

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/*
* Win32 kernel time functions
*
* Copyright 1995 Martin von Loewis and Cameron Heide
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
#ifdef HAVE_SYS_LIMITS_H
#include <sys/limits.h>
#elif defined(HAVE_MACHINE_LIMITS_H)
#include <machine/limits.h>
#endif
#ifdef __APPLE__
# include <mach/mach_time.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "kernel_private.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(time);
static inline void longlong_to_filetime( LONGLONG t, FILETIME *ft )
{
ft->dwLowDateTime = (DWORD)t;
ft->dwHighDateTime = (DWORD)(t >> 32);
}
#define TICKSPERSEC 10000000
#define TICKSPERMSEC 10000
/* return a monotonic time counter, in Win32 ticks */
static inline ULONGLONG monotonic_counter(void)
{
LARGE_INTEGER counter;
#ifdef __APPLE__
static mach_timebase_info_data_t timebase;
if (!timebase.denom) mach_timebase_info( &timebase );
#ifdef HAVE_MACH_CONTINUOUS_TIME
if (&mach_continuous_time != NULL)
return mach_continuous_time() * timebase.numer / timebase.denom / 100;
#endif
return mach_absolute_time() * timebase.numer / timebase.denom / 100;
#elif defined(HAVE_CLOCK_GETTIME)
struct timespec ts;
#ifdef CLOCK_MONOTONIC_RAW
if (!clock_gettime( CLOCK_MONOTONIC_RAW, &ts ))
return ts.tv_sec * (ULONGLONG)TICKSPERSEC + ts.tv_nsec / 100;
#endif
if (!clock_gettime( CLOCK_MONOTONIC, &ts ))
return ts.tv_sec * (ULONGLONG)TICKSPERSEC + ts.tv_nsec / 100;
#endif
NtQueryPerformanceCounter( &counter, NULL );
return counter.QuadPart;
}
/***********************************************************************
* GetSystemTimeAdjustment (KERNEL32.@)
*
* Get the period between clock interrupts and the amount the clock
* is adjusted each interrupt so as to keep it in sync with an external source.
*
* PARAMS
* lpTimeAdjustment [out] The clock adjustment per interrupt in 100's of nanoseconds.
* lpTimeIncrement [out] The time between clock interrupts in 100's of nanoseconds.
* lpTimeAdjustmentDisabled [out] The clock synchronisation has been disabled.
*
* RETURNS
* TRUE.
*
* BUGS
* Only the special case of disabled time adjustments is supported.
*/
BOOL WINAPI GetSystemTimeAdjustment( PDWORD lpTimeAdjustment, PDWORD lpTimeIncrement,
PBOOL lpTimeAdjustmentDisabled )
{
*lpTimeAdjustment = 0;
*lpTimeIncrement = 10000000 / sysconf(_SC_CLK_TCK);
*lpTimeAdjustmentDisabled = TRUE;
return TRUE;
}
/***********************************************************************
* SetSystemTimeAdjustment (KERNEL32.@)
*
* Enables or disables the timing adjustments to the system's clock.
*
* PARAMS
* dwTimeAdjustment [in] Number of units to add per clock interrupt.
* bTimeAdjustmentDisabled [in] Adjustment mode.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*/
BOOL WINAPI SetSystemTimeAdjustment( DWORD dwTimeAdjustment, BOOL bTimeAdjustmentDisabled )
{
/* Fake function for now... */
FIXME("(%08x,%d): stub !\n", dwTimeAdjustment, bTimeAdjustmentDisabled);
return TRUE;
}
/*********************************************************************
* TIME_ClockTimeToFileTime (olorin@fandra.org, 20-Sep-1998)
*
* Used by GetProcessTimes to convert clock_t into FILETIME.
*
* Differences to UnixTimeToFileTime:
* 1) Divided by CLK_TCK
* 2) Time is relative. There is no 'starting date', so there is
* no need for offset correction, like in UnixTimeToFileTime
*/
static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
{
long clocksPerSec = sysconf(_SC_CLK_TCK);
ULONGLONG secs = (ULONGLONG)unix_time * 10000000 / clocksPerSec;
filetime->dwLowDateTime = (DWORD)secs;
filetime->dwHighDateTime = (DWORD)(secs >> 32);
}
/*********************************************************************
* GetProcessTimes (KERNEL32.@)
*
* Get the user and kernel execution times of a process,
* along with the creation and exit times if known.
*
* PARAMS
* hprocess [in] The process to be queried.
* lpCreationTime [out] The creation time of the process.
* lpExitTime [out] The exit time of the process if exited.
* lpKernelTime [out] The time spent in kernel routines in 100's of nanoseconds.
* lpUserTime [out] The time spent in user routines in 100's of nanoseconds.
*
* RETURNS
* TRUE.
*
* NOTES
* olorin@fandra.org:
* Would be nice to subtract the cpu time used by Wine at startup.
* Also, there is a need to separate times used by different applications.
*
* BUGS
* KernelTime and UserTime are always for the current process
*/
BOOL WINAPI GetProcessTimes( HANDLE hprocess, LPFILETIME lpCreationTime,
LPFILETIME lpExitTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime )
{
struct tms tms;
KERNEL_USER_TIMES pti;
times(&tms);
TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
if (NtQueryInformationProcess( hprocess, ProcessTimes, &pti, sizeof(pti), NULL))
return FALSE;
longlong_to_filetime( pti.CreateTime.QuadPart, lpCreationTime );
longlong_to_filetime( pti.ExitTime.QuadPart, lpExitTime );
return TRUE;
}
/*********************************************************************
* GetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI GetCalendarInfoA(LCID lcid, CALID Calendar, CALTYPE CalType,
LPSTR lpCalData, int cchData, LPDWORD lpValue)
{
int ret, cchDataW = cchData;
LPWSTR lpCalDataW = NULL;
if (NLS_IsUnicodeOnlyLcid(lcid))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
if (!cchData && !(CalType & CAL_RETURN_NUMBER))
cchDataW = GetCalendarInfoW(lcid, Calendar, CalType, NULL, 0, NULL);
if (!(lpCalDataW = HeapAlloc(GetProcessHeap(), 0, cchDataW*sizeof(WCHAR))))
return 0;
ret = GetCalendarInfoW(lcid, Calendar, CalType, lpCalDataW, cchDataW, lpValue);
if(ret && lpCalDataW && lpCalData)
ret = WideCharToMultiByte(CP_ACP, 0, lpCalDataW, -1, lpCalData, cchData, NULL, NULL);
else if (CalType & CAL_RETURN_NUMBER)
ret *= sizeof(WCHAR);
HeapFree(GetProcessHeap(), 0, lpCalDataW);
return ret;
}
/*********************************************************************
* SetCalendarInfoA (KERNEL32.@)
*
*/
int WINAPI SetCalendarInfoA(LCID Locale, CALID Calendar, CALTYPE CalType, LPCSTR lpCalData)
{
FIXME("(%08x,%08x,%08x,%s): stub\n",
Locale, Calendar, CalType, debugstr_a(lpCalData));
return 0;
}
/*********************************************************************
* GetDaylightFlag (KERNEL32.@)
*
* Specifies if daylight savings time is in operation.
*
* NOTES
* This function is called from the Win98's control applet timedate.cpl.
*
* RETURNS
* TRUE if daylight savings time is in operation.
* FALSE otherwise.
*/
BOOL WINAPI GetDaylightFlag(void)
{
TIME_ZONE_INFORMATION tzinfo;
return GetTimeZoneInformation( &tzinfo) == TIME_ZONE_ID_DAYLIGHT;
}
/***********************************************************************
* DosDateTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
{
struct tm newtm;
#ifndef HAVE_TIMEGM
struct tm *gtm;
time_t time1, time2;
#endif
newtm.tm_sec = (fattime & 0x1f) * 2;
newtm.tm_min = (fattime >> 5) & 0x3f;
newtm.tm_hour = (fattime >> 11);
newtm.tm_mday = (fatdate & 0x1f);
newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
newtm.tm_year = (fatdate >> 9) + 80;
newtm.tm_isdst = -1;
#ifdef HAVE_TIMEGM
RtlSecondsSince1970ToTime( timegm(&newtm), (LARGE_INTEGER *)ft );
#else
time1 = mktime(&newtm);
gtm = gmtime(&time1);
time2 = mktime(gtm);
RtlSecondsSince1970ToTime( 2*time1-time2, (LARGE_INTEGER *)ft );
#endif
return TRUE;
}
/***********************************************************************
* FileTimeToDosDateTime (KERNEL32.@)
*/
BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
LPWORD fattime )
{
LARGE_INTEGER li;
ULONG t;
time_t unixtime;
struct tm* tm;
if (!fatdate || !fattime)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
li.u.LowPart = ft->dwLowDateTime;
li.u.HighPart = ft->dwHighDateTime;
if (!RtlTimeToSecondsSince1970( &li, &t ))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
unixtime = t;
tm = gmtime( &unixtime );
*fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
*fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5) + tm->tm_mday;
return TRUE;
}
/*********************************************************************
* GetSystemTimes (KERNEL32.@)
*
* Retrieves system timing information
*
* PARAMS
* lpIdleTime [O] Destination for idle time.
* lpKernelTime [O] Destination for kernel time.
* lpUserTime [O] Destination for user time.
*
* RETURNS
* TRUE if success, FALSE otherwise.
*/
BOOL WINAPI GetSystemTimes(LPFILETIME lpIdleTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime)
{
LARGE_INTEGER idle_time, kernel_time, user_time;
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *sppi;
SYSTEM_BASIC_INFORMATION sbi;
ULONG ret_size;
int i;
TRACE("(%p,%p,%p)\n", lpIdleTime, lpKernelTime, lpUserTime);
if (!set_ntstatus( NtQuerySystemInformation( SystemBasicInformation, &sbi, sizeof(sbi), &ret_size )))
return FALSE;
sppi = HeapAlloc( GetProcessHeap(), 0,
sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * sbi.NumberOfProcessors);
if (!sppi)
{
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
if (!set_ntstatus( NtQuerySystemInformation( SystemProcessorPerformanceInformation, sppi,
sizeof(*sppi) * sbi.NumberOfProcessors, &ret_size )))
{
HeapFree( GetProcessHeap(), 0, sppi );
return FALSE;
}
idle_time.QuadPart = 0;
kernel_time.QuadPart = 0;
user_time.QuadPart = 0;
for (i = 0; i < sbi.NumberOfProcessors; i++)
{
idle_time.QuadPart += sppi[i].IdleTime.QuadPart;
kernel_time.QuadPart += sppi[i].KernelTime.QuadPart;
user_time.QuadPart += sppi[i].UserTime.QuadPart;
}
if (lpIdleTime)
{
lpIdleTime->dwLowDateTime = idle_time.u.LowPart;
lpIdleTime->dwHighDateTime = idle_time.u.HighPart;
}
if (lpKernelTime)
{
lpKernelTime->dwLowDateTime = kernel_time.u.LowPart;
lpKernelTime->dwHighDateTime = kernel_time.u.HighPart;
}
if (lpUserTime)
{
lpUserTime->dwLowDateTime = user_time.u.LowPart;
lpUserTime->dwHighDateTime = user_time.u.HighPart;
}
HeapFree( GetProcessHeap(), 0, sppi );
return TRUE;
}
/***********************************************************************
* QueryProcessCycleTime (KERNEL32.@)
*/
BOOL WINAPI QueryProcessCycleTime(HANDLE process, PULONG64 cycle)
{
static int once;
if (!once++)
FIXME("(%p,%p): stub!\n", process, cycle);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* QueryThreadCycleTime (KERNEL32.@)
*/
BOOL WINAPI QueryThreadCycleTime(HANDLE thread, PULONG64 cycle)
{
static int once;
if (!once++)
FIXME("(%p,%p): stub!\n", thread, cycle);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/******************************************************************************
* GetTickCount64 (KERNEL32.@)
*/
ULONGLONG WINAPI DECLSPEC_HOTPATCH GetTickCount64(void)
{
return monotonic_counter() / TICKSPERMSEC;
}
/***********************************************************************
* GetTickCount (KERNEL32.@)
*
* Get the number of milliseconds the system has been running.
*
* PARAMS
* None.
*
* RETURNS
* The current tick count.
*
* NOTES
* The value returned will wrap around every 2^32 milliseconds.
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetTickCount(void)
{
return monotonic_counter() / TICKSPERMSEC;
}
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