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