314 lines
9.2 KiB
C
314 lines
9.2 KiB
C
/*
|
|
* Win32 kernel functions
|
|
*
|
|
* Copyright 1995 Martin von Loewis and Cameron Heide
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <sys/times.h>
|
|
#include "file.h"
|
|
#include "ntddk.h"
|
|
#include "winerror.h"
|
|
#include "debugtools.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(win32);
|
|
|
|
/* maximum time adjustment in seconds for SetLocalTime and SetSystemTime */
|
|
#define SETTIME_MAX_ADJUST 120
|
|
|
|
/* TIME_GetBias: helper function calculates delta local time from UTC */
|
|
static int TIME_GetBias( time_t utc, int *pdaylight)
|
|
{
|
|
struct tm *ptm = localtime(&utc);
|
|
*pdaylight = ptm->tm_isdst; /* daylight for local timezone */
|
|
ptm = gmtime(&utc);
|
|
ptm->tm_isdst = *pdaylight; /* use local daylight, not that of Greenwich */
|
|
return (int)(utc-mktime(ptm));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetLocalTime (KERNEL32.655)
|
|
*
|
|
* Sets the local time using current time zone and daylight
|
|
* savings settings.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True if the time was set, false if the time was invalid or the
|
|
* necessary permissions were not held.
|
|
*/
|
|
BOOL WINAPI SetLocalTime( const SYSTEMTIME *systime /* The desired local time. */ )
|
|
{
|
|
struct timeval tv;
|
|
struct tm t;
|
|
time_t sec;
|
|
time_t oldsec=time(NULL);
|
|
int err;
|
|
|
|
/* get the number of seconds */
|
|
t.tm_sec = systime->wSecond;
|
|
t.tm_min = systime->wMinute;
|
|
t.tm_hour = systime->wHour;
|
|
t.tm_mday = systime->wDay;
|
|
t.tm_mon = systime->wMonth - 1;
|
|
t.tm_year = systime->wYear - 1900;
|
|
t.tm_isdst = -1;
|
|
sec = mktime (&t);
|
|
|
|
/* set the new time */
|
|
tv.tv_sec = sec;
|
|
tv.tv_usec = systime->wMilliseconds * 1000;
|
|
|
|
/* error and sanity check*/
|
|
if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){
|
|
err = 1;
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
} else {
|
|
err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */
|
|
if(err == 0)
|
|
return TRUE;
|
|
SetLastError(ERROR_PRIVILEGE_NOT_HELD);
|
|
}
|
|
ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
|
|
systime->wYear, systime->wMonth, systime->wDay, systime->wHour,
|
|
systime->wMinute, systime->wSecond,
|
|
sec-oldsec, err == -1 ? "No Permission" :
|
|
sec==(time_t)-1 ? "" : "is too large." );
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetSystemTimeAdjustment (KERNEL32.407)
|
|
*
|
|
* Indicates the period between clock interrupt and the amount the clock
|
|
* is adjusted each interrupt so as to keep it insync with an external source.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* Always returns true.
|
|
*
|
|
* BUGS
|
|
*
|
|
* Only the special case of disabled time adjustments is supported.
|
|
* (also the signature is wrong it should have a return type of BOOL)
|
|
*/
|
|
DWORD WINAPI GetSystemTimeAdjustment(
|
|
LPDWORD lpTimeAdjustment, /* The clock adjustment per interupt in 100's of nanoseconds. */
|
|
LPDWORD lpTimeIncrement, /* The time between clock interupts in 100's of nanoseconds. */
|
|
LPBOOL lpTimeAdjustmentDisabled /* The clock synchonisation has been disabled. */ )
|
|
{
|
|
*lpTimeAdjustment = 0;
|
|
*lpTimeIncrement = 0;
|
|
*lpTimeAdjustmentDisabled = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetSystemTime (KERNEL32.507)
|
|
*
|
|
* Sets the system time (utc).
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True if the time was set, false if the time was invalid or the
|
|
* necessary permissions were not held.
|
|
*/
|
|
BOOL WINAPI SetSystemTime(
|
|
const SYSTEMTIME *systime /* The desired system time. */)
|
|
{
|
|
struct timeval tv;
|
|
struct timezone tz;
|
|
struct tm t;
|
|
time_t sec, oldsec;
|
|
int dst, bias;
|
|
int err;
|
|
|
|
/* call gettimeofday to get the current timezone */
|
|
gettimeofday(&tv, &tz);
|
|
oldsec=tv.tv_sec;
|
|
/* get delta local time from utc */
|
|
bias=TIME_GetBias(oldsec,&dst);
|
|
|
|
/* get the number of seconds */
|
|
t.tm_sec = systime->wSecond;
|
|
t.tm_min = systime->wMinute;
|
|
t.tm_hour = systime->wHour;
|
|
t.tm_mday = systime->wDay;
|
|
t.tm_mon = systime->wMonth - 1;
|
|
t.tm_year = systime->wYear - 1900;
|
|
t.tm_isdst = dst;
|
|
sec = mktime (&t);
|
|
/* correct for timezone and daylight */
|
|
sec += bias;
|
|
|
|
/* set the new time */
|
|
tv.tv_sec = sec;
|
|
tv.tv_usec = systime->wMilliseconds * 1000;
|
|
|
|
/* error and sanity check*/
|
|
if( sec == (time_t)-1 || abs((int)(sec-oldsec)) > SETTIME_MAX_ADJUST ){
|
|
err = 1;
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
} else {
|
|
err=settimeofday(&tv, NULL); /* 0 is OK, -1 is error */
|
|
if(err == 0)
|
|
return TRUE;
|
|
SetLastError(ERROR_PRIVILEGE_NOT_HELD);
|
|
}
|
|
ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
|
|
systime->wYear, systime->wMonth, systime->wDay, systime->wHour,
|
|
systime->wMinute, systime->wSecond,
|
|
sec-oldsec, err == -1 ? "No Permission" :
|
|
sec==(time_t)-1 ? "" : "is too large." );
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetTimeZoneInformation (KERNEL32.302)
|
|
*
|
|
* Fills in the a time zone information structure with values based on
|
|
* the current local time.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* The daylight savings time standard or TIME_ZONE_ID_INVALID if the call failed.
|
|
*/
|
|
DWORD WINAPI GetTimeZoneInformation(
|
|
LPTIME_ZONE_INFORMATION tzinfo /* The time zone structure to be filled in. */)
|
|
{
|
|
time_t gmt;
|
|
int bias, daylight;
|
|
|
|
memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION));
|
|
|
|
gmt = time(NULL);
|
|
bias=TIME_GetBias(gmt,&daylight);
|
|
|
|
tzinfo->Bias = -bias / 60;
|
|
tzinfo->StandardBias = 0;
|
|
tzinfo->DaylightBias = -60;
|
|
|
|
return TIME_ZONE_ID_STANDARD;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SetTimeZoneInformation (KERNEL32.515)
|
|
*
|
|
* Set the local time zone with values based on the time zone structure.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* True on successful setting of the time zone.
|
|
*
|
|
* BUGS
|
|
*
|
|
* Use the obsolete unix timezone structure and tz_dsttime member.
|
|
*/
|
|
BOOL WINAPI SetTimeZoneInformation(
|
|
const LPTIME_ZONE_INFORMATION tzinfo /* The new time zone. */)
|
|
{
|
|
struct timezone tz;
|
|
|
|
tz.tz_minuteswest = tzinfo->Bias;
|
|
#ifdef DST_NONE
|
|
tz.tz_dsttime = DST_NONE;
|
|
#else
|
|
tz.tz_dsttime = 0;
|
|
#endif
|
|
return !settimeofday(NULL, &tz);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* SystemTimeToTzSpecificLocalTime (KERNEL32.683)
|
|
*
|
|
* Converts the system time (utc) to the local time in the specified time zone.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* Returns true when the local time was calculated.
|
|
*
|
|
* BUGS
|
|
*
|
|
* Does not handle daylight savings time adjustments correctly.
|
|
*/
|
|
BOOL WINAPI SystemTimeToTzSpecificLocalTime(
|
|
LPTIME_ZONE_INFORMATION lpTimeZoneInformation, /* The desired time zone. */
|
|
LPSYSTEMTIME lpUniversalTime, /* The utc time to base local time on. */
|
|
LPSYSTEMTIME lpLocalTime /* The local time in the time zone. */)
|
|
{
|
|
FIXME(":stub\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetSystemTimeAsFileTime (KERNEL32)
|
|
*
|
|
* Fills in a file time structure with the current time in UTC format.
|
|
*/
|
|
VOID WINAPI GetSystemTimeAsFileTime(
|
|
LPFILETIME time /* The file time struct to be filled with the system time. */)
|
|
{
|
|
NtQuerySystemTime( (LARGE_INTEGER *)time );
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
* 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 in offset correction, like in UnixTimeToFileTime
|
|
*/
|
|
static void TIME_ClockTimeToFileTime(clock_t unix_time, LPFILETIME filetime)
|
|
{
|
|
LONGLONG secs = RtlEnlargedUnsignedMultiply( unix_time, 10000000 );
|
|
((LARGE_INTEGER *)filetime)->QuadPart = RtlExtendedLargeIntegerDivide( secs, CLK_TCK, NULL );
|
|
}
|
|
|
|
/*********************************************************************
|
|
* GetProcessTimes [KERNEL32.262]
|
|
*
|
|
* Returns the user and kernel execution times of a process,
|
|
* along with the creation and exit times if known.
|
|
*
|
|
* 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.
|
|
*
|
|
* RETURNS
|
|
*
|
|
* Always returns true.
|
|
*
|
|
* BUGS
|
|
*
|
|
* lpCreationTime, lpExitTime are NOT INITIALIZED.
|
|
*/
|
|
BOOL WINAPI GetProcessTimes(
|
|
HANDLE hprocess, /* The process to be queried (obtained from PROCESS_QUERY_INFORMATION). */
|
|
LPFILETIME lpCreationTime, /* The creation time of the process. */
|
|
LPFILETIME lpExitTime, /* The exit time of the process if exited. */
|
|
LPFILETIME lpKernelTime, /* The time spent in kernal routines in 100's of nanoseconds. */
|
|
LPFILETIME lpUserTime /* The time spent in user routines in 100's of nanoseconds. */)
|
|
{
|
|
struct tms tms;
|
|
|
|
times(&tms);
|
|
TIME_ClockTimeToFileTime(tms.tms_utime,lpUserTime);
|
|
TIME_ClockTimeToFileTime(tms.tms_stime,lpKernelTime);
|
|
return TRUE;
|
|
}
|