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-rw-r--r--win/tclWinTime.c308
1 files changed, 1 insertions, 307 deletions
diff --git a/win/tclWinTime.c b/win/tclWinTime.c
index 7045c72..0762362 100644
--- a/win/tclWinTime.c
+++ b/win/tclWinTime.c
@@ -12,10 +12,6 @@
#include "tclInt.h"
-#define SECSPERDAY (60L * 60L * 24L)
-#define SECSPERYEAR (SECSPERDAY * 365L)
-#define SECSPER4YEAR (SECSPERYEAR * 4L + SECSPERDAY)
-
/*
* Number of samples over which to estimate the performance counter.
*/
@@ -23,29 +19,10 @@
#define SAMPLES 64
/*
- * The following arrays contain the day of year for the last day of each
- * month, where index 1 is January.
- */
-
-static const int normalDays[] = {
- -1, 30, 58, 89, 119, 150, 180, 211, 242, 272, 303, 333, 364
-};
-
-static const int leapDays[] = {
- -1, 30, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365
-};
-
-typedef struct ThreadSpecificData {
- char tzName[64]; /* Time zone name */
- struct tm tm; /* time information */
-} ThreadSpecificData;
-static Tcl_ThreadDataKey dataKey;
-
-/*
* Data for managing high-resolution timers.
*/
-typedef struct TimeInfo {
+typedef struct {
CRITICAL_SECTION cs; /* Mutex guarding this structure. */
int initialized; /* Flag == 1 if this structure is
* initialized. */
@@ -113,7 +90,6 @@ static TimeInfo timeInfo = {
* Declarations for functions defined later in this file.
*/
-static struct tm * ComputeGMT(const time_t *tp);
static void StopCalibration(ClientData clientData);
static DWORD WINAPI CalibrationThread(LPVOID arg);
static void UpdateTimeEachSecond(void);
@@ -489,227 +465,6 @@ StopCalibration(
/*
*----------------------------------------------------------------------
*
- * TclpGetDate --
- *
- * This function converts between seconds and struct tm. If useGMT is
- * true, then the returned date will be in Greenwich Mean Time (GMT).
- * Otherwise, it will be in the local time zone.
- *
- * Results:
- * Returns a static tm structure.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
-struct tm *
-TclpGetDate(
- const time_t *t,
- int useGMT)
-{
- struct tm *tmPtr;
- time_t time;
-
- if (!useGMT) {
- tzset();
-
- /*
- * If we are in the valid range, let the C run-time library handle it.
- * Otherwise we need to fake it. Note that this algorithm ignores
- * daylight savings time before the epoch.
- */
-
- /*
- * Hm, Borland's localtime manages to return NULL under certain
- * circumstances (e.g. wintime.test, test 1.2). Nobody tests for this,
- * since 'localtime' isn't supposed to do this, possibly leading to
- * crashes.
- *
- * Patch: We only call this function if we are at least one day into
- * the epoch, else we handle it ourselves (like we do for times < 0).
- * H. Giese, June 2003
- */
-
-#ifdef __BORLANDC__
-#define LOCALTIME_VALIDITY_BOUNDARY SECSPERDAY
-#else
-#define LOCALTIME_VALIDITY_BOUNDARY 0
-#endif
-
- if (*t >= LOCALTIME_VALIDITY_BOUNDARY) {
- return TclpLocaltime(t);
- }
-
- time = *t - timezone;
-
- /*
- * If we aren't near to overflowing the long, just add the bias and
- * use the normal calculation. Otherwise we will need to adjust the
- * result at the end.
- */
-
- if (*t < (LONG_MAX - 2*SECSPERDAY) && *t > (LONG_MIN + 2*SECSPERDAY)) {
- tmPtr = ComputeGMT(&time);
- } else {
- tmPtr = ComputeGMT(t);
-
- tzset();
-
- /*
- * Add the bias directly to the tm structure to avoid overflow.
- * Propagate seconds overflow into minutes, hours and days.
- */
-
- time = tmPtr->tm_sec - timezone;
- tmPtr->tm_sec = (int)(time % 60);
- if (tmPtr->tm_sec < 0) {
- tmPtr->tm_sec += 60;
- time -= 60;
- }
-
- time = tmPtr->tm_min + time/60;
- tmPtr->tm_min = (int)(time % 60);
- if (tmPtr->tm_min < 0) {
- tmPtr->tm_min += 60;
- time -= 60;
- }
-
- time = tmPtr->tm_hour + time/60;
- tmPtr->tm_hour = (int)(time % 24);
- if (tmPtr->tm_hour < 0) {
- tmPtr->tm_hour += 24;
- time -= 24;
- }
-
- time /= 24;
- tmPtr->tm_mday += (int)time;
- tmPtr->tm_yday += (int)time;
- tmPtr->tm_wday = (tmPtr->tm_wday + (int)time) % 7;
- }
- } else {
- tmPtr = ComputeGMT(t);
- }
- return tmPtr;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * ComputeGMT --
- *
- * This function computes GMT given the number of seconds since the epoch
- * (midnight Jan 1 1970).
- *
- * Results:
- * Returns a (per thread) statically allocated struct tm.
- *
- * Side effects:
- * Updates the values of the static struct tm.
- *
- *----------------------------------------------------------------------
- */
-
-static struct tm *
-ComputeGMT(
- const time_t *tp)
-{
- struct tm *tmPtr;
- long tmp, rem;
- int isLeap;
- const int *days;
- ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
-
- tmPtr = &tsdPtr->tm;
-
- /*
- * Compute the 4 year span containing the specified time.
- */
-
- tmp = (long)(*tp / SECSPER4YEAR);
- rem = (long)(*tp % SECSPER4YEAR);
-
- /*
- * Correct for weird mod semantics so the remainder is always positive.
- */
-
- if (rem < 0) {
- tmp--;
- rem += SECSPER4YEAR;
- }
-
- /*
- * Compute the year after 1900 by taking the 4 year span and adjusting for
- * the remainder. This works because 2000 is a leap year, and 1900/2100
- * are out of the range.
- */
-
- tmp = (tmp * 4) + 70;
- isLeap = 0;
- if (rem >= SECSPERYEAR) { /* 1971, etc. */
- tmp++;
- rem -= SECSPERYEAR;
- if (rem >= SECSPERYEAR) { /* 1972, etc. */
- tmp++;
- rem -= SECSPERYEAR;
- if (rem >= SECSPERYEAR + SECSPERDAY) { /* 1973, etc. */
- tmp++;
- rem -= SECSPERYEAR + SECSPERDAY;
- } else {
- isLeap = 1;
- }
- }
- }
- tmPtr->tm_year = tmp;
-
- /*
- * Compute the day of year and leave the seconds in the current day in the
- * remainder.
- */
-
- tmPtr->tm_yday = rem / SECSPERDAY;
- rem %= SECSPERDAY;
-
- /*
- * Compute the time of day.
- */
-
- tmPtr->tm_hour = rem / 3600;
- rem %= 3600;
- tmPtr->tm_min = rem / 60;
- tmPtr->tm_sec = rem % 60;
-
- /*
- * Compute the month and day of month.
- */
-
- days = (isLeap) ? leapDays : normalDays;
- for (tmp = 1; days[tmp] < tmPtr->tm_yday; tmp++) {
- /* empty body */
- }
- tmPtr->tm_mon = --tmp;
- tmPtr->tm_mday = tmPtr->tm_yday - days[tmp];
-
- /*
- * Compute day of week. Epoch started on a Thursday.
- */
-
- tmPtr->tm_wday = (long)(*tp / SECSPERDAY) + 4;
- if ((*tp % SECSPERDAY) < 0) {
- tmPtr->tm_wday--;
- }
- tmPtr->tm_wday %= 7;
- if (tmPtr->tm_wday < 0) {
- tmPtr->tm_wday += 7;
- }
-
- return tmPtr;
-}
-
-/*
- *----------------------------------------------------------------------
- *
* CalibrationThread --
*
* Thread that manages calibration of the hi-resolution time derived from
@@ -1037,67 +792,6 @@ AccumulateSample(
/*
*----------------------------------------------------------------------
*
- * TclpGmtime --
- *
- * Wrapper around the 'gmtime' library function to make it thread safe.
- *
- * Results:
- * Returns a pointer to a 'struct tm' in thread-specific data.
- *
- * Side effects:
- * Invokes gmtime or gmtime_r as appropriate.
- *
- *----------------------------------------------------------------------
- */
-
-struct tm *
-TclpGmtime(
- const time_t *timePtr) /* Pointer to the number of seconds since the
- * local system's epoch */
-{
- /*
- * The MS implementation of gmtime is thread safe because it returns the
- * time in a block of thread-local storage, and Windows does not provide a
- * Posix gmtime_r function.
- */
-
- return gmtime(timePtr);
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TclpLocaltime --
- *
- * Wrapper around the 'localtime' library function to make it thread
- * safe.
- *
- * Results:
- * Returns a pointer to a 'struct tm' in thread-specific data.
- *
- * Side effects:
- * Invokes localtime or localtime_r as appropriate.
- *
- *----------------------------------------------------------------------
- */
-
-struct tm *
-TclpLocaltime(
- const time_t *timePtr) /* Pointer to the number of seconds since the
- * local system's epoch */
-{
- /*
- * The MS implementation of localtime is thread safe because it returns
- * the time in a block of thread-local storage, and Windows does not
- * provide a Posix localtime_r function.
- */
-
- return localtime(timePtr);
-}
-
-/*
- *----------------------------------------------------------------------
- *
* Tcl_SetTimeProc --
*
* TIP #233 (Virtualized Time): Registers two handlers for the
generated by cgit v0.12 at 2024-11-21 18:15:12 (GMT)