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Diffstat (limited to 'winsup/cygwin/times.cc')
-rw-r--r--winsup/cygwin/times.cc627
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diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc
deleted file mode 100644
index 4c0909eb5..000000000
--- a/winsup/cygwin/times.cc
+++ /dev/null
@@ -1,627 +0,0 @@
-/* times.cc
-
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <time.h>
-#include <sys/times.h>
-#include <sys/timeb.h>
-#include <utime.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <pthread.h>
-#include "cygerrno.h"
-#include "security.h"
-#include "path.h"
-#include "fhandler.h"
-#include "dtable.h"
-#include "pinfo.h"
-#include "hires.h"
-#include "cygtls.h"
-#include "sigproc.h"
-#include "sync.h"
-
-#define FACTOR (0x19db1ded53e8000LL)
-#define NSPERSEC 10000000LL
-
-/* Cygwin internal */
-static unsigned long long __stdcall
-__to_clock_t (FILETIME * src, int flag)
-{
- unsigned long long total = ((unsigned long long) src->dwHighDateTime << 32) + ((unsigned)src->dwLowDateTime);
- syscall_printf ("dwHighDateTime %u, dwLowDateTime %u", src->dwHighDateTime, src->dwLowDateTime);
-
- /* Convert into clock ticks - the total is in 10ths of a usec. */
- if (flag)
- total -= FACTOR;
-
- total /= (unsigned long long) (NSPERSEC / CLOCKS_PER_SEC);
- syscall_printf ("total %08x %08x", (unsigned)(total>>32), (unsigned)(total));
- return total;
-}
-
-/* times: POSIX 4.5.2.1 */
-extern "C" clock_t
-times (struct tms *buf)
-{
- FILETIME creation_time, exit_time, kernel_time, user_time;
-
- if (check_null_invalid_struct_errno (buf))
- return ((clock_t) -1);
-
- DWORD ticks = GetTickCount ();
- /* Ticks is in milliseconds, convert to our ticks. Use long long to prevent
- overflow. */
- clock_t tc = (clock_t) ((long long) ticks * CLOCKS_PER_SEC / 1000);
- if (wincap.has_get_process_times ())
- {
- GetProcessTimes (hMainProc, &creation_time, &exit_time,
- &kernel_time, &user_time);
-
- syscall_printf ("ticks %d, CLOCKS_PER_SEC %d", ticks, CLOCKS_PER_SEC);
- syscall_printf ("user_time %d, kernel_time %d, creation_time %d, exit_time %d",
- user_time, kernel_time, creation_time, exit_time);
- buf->tms_stime = __to_clock_t (&kernel_time, 0);
- buf->tms_utime = __to_clock_t (&user_time, 0);
- timeval_to_filetime (&myself->rusage_children.ru_stime, &kernel_time);
- buf->tms_cstime = __to_clock_t (&kernel_time, 1);
- timeval_to_filetime (&myself->rusage_children.ru_utime, &user_time);
- buf->tms_cutime = __to_clock_t (&user_time, 1);
- }
- else
- /* GetProcessTimes() does not work for non-NT versions of Windows. The
- return values are undefined, so instead just copy the ticks value
- into utime so that clock() will work properly on these systems */
- {
- buf->tms_utime = tc;
- buf->tms_stime = 0;
- buf->tms_cstime = 0;
- buf->tms_cutime = 0;
- }
-
- return tc;
-}
-
-EXPORT_ALIAS (times, _times)
-
-/* settimeofday: BSD */
-extern "C" int
-settimeofday (const struct timeval *tv, const struct timezone *tz)
-{
- SYSTEMTIME st;
- struct tm *ptm;
- int res;
-
- tz = tz; /* silence warning about unused variable */
-
- ptm = gmtime (&tv->tv_sec);
- st.wYear = ptm->tm_year + 1900;
- st.wMonth = ptm->tm_mon + 1;
- st.wDayOfWeek = ptm->tm_wday;
- st.wDay = ptm->tm_mday;
- st.wHour = ptm->tm_hour;
- st.wMinute = ptm->tm_min;
- st.wSecond = ptm->tm_sec;
- st.wMilliseconds = tv->tv_usec / 1000;
-
- res = !SetSystemTime (&st);
-
- syscall_printf ("%d = settimeofday (%x, %x)", res, tv, tz);
-
- return res;
-}
-
-/* timezone: standards? */
-extern "C" char *
-timezone ()
-{
- char *b = _my_tls.locals.timezone_buf;
-
- tzset ();
- __small_sprintf (b,"GMT%+d:%02d", (int) (-_timezone / 3600), (int) (abs (_timezone / 60) % 60));
- return b;
-}
-
-/* Cygwin internal */
-void __stdcall
-totimeval (struct timeval *dst, FILETIME *src, int sub, int flag)
-{
- long long x = __to_clock_t (src, flag);
-
- x *= (int) (1e6) / CLOCKS_PER_SEC; /* Turn x into usecs */
- x -= (long long) sub * (int) (1e6);
-
- dst->tv_usec = x % (long long) (1e6); /* And split */
- dst->tv_sec = x / (long long) (1e6);
-}
-
-hires_ms gtod;
-UINT NO_COPY hires_ms::minperiod;
-
-/* FIXME: Make thread safe */
-extern "C" int
-gettimeofday (struct timeval *tv, struct timezone *tz)
-{
- static bool tzflag;
- LONGLONG now = gtod.usecs (false);
- if (now == (LONGLONG) -1)
- return -1;
-
- tv->tv_sec = now / 1000000;
- tv->tv_usec = now % 1000000;
-
- if (tz != NULL)
- {
- if (!tzflag)
- {
- tzset ();
- tzflag = true;
- }
- tz->tz_minuteswest = _timezone / 60;
- tz->tz_dsttime = _daylight;
- }
-
- return 0;
-}
-
-EXPORT_ALIAS (gettimeofday, _gettimeofday)
-
-/* Cygwin internal */
-void
-time_t_to_filetime (time_t time_in, FILETIME *out)
-{
- long long x = time_in * NSPERSEC + FACTOR;
- out->dwHighDateTime = x >> 32;
- out->dwLowDateTime = x;
-}
-
-/* Cygwin internal */
-void __stdcall
-timeval_to_filetime (const struct timeval *time_in, FILETIME *out)
-{
- long long x = time_in->tv_sec * NSPERSEC +
- time_in->tv_usec * (NSPERSEC/1000000) + FACTOR;
- out->dwHighDateTime = x >> 32;
- out->dwLowDateTime = x;
-}
-
-/* Cygwin internal */
-static timeval __stdcall
-time_t_to_timeval (time_t in)
-{
- timeval res;
- res.tv_sec = in;
- res.tv_usec = 0;
- return res;
-}
-
-/* Cygwin internal */
-/* Convert a Win32 time to "UNIX" format. */
-long __stdcall
-to_time_t (FILETIME *ptr)
-{
- /* A file time is the number of 100ns since jan 1 1601
- stuffed into two long words.
- A time_t is the number of seconds since jan 1 1970. */
-
- long long x = ((long long) ptr->dwHighDateTime << 32) + ((unsigned)ptr->dwLowDateTime);
-
- /* pass "no time" as epoch */
- if (x == 0)
- return 0;
-
- x -= FACTOR; /* number of 100ns between 1601 and 1970 */
- x /= (long long) NSPERSEC; /* number of 100ns in a second */
- return x;
-}
-
-/* Cygwin internal */
-/* Convert a Win32 time to "UNIX" timestruc_t format. */
-void __stdcall
-to_timestruc_t (FILETIME *ptr, timestruc_t *out)
-{
- /* A file time is the number of 100ns since jan 1 1601
- stuffed into two long words.
- A timestruc_t is the number of seconds and microseconds since jan 1 1970
- stuffed into a time_t and a long. */
-
- long rem;
- long long x = ((long long) ptr->dwHighDateTime << 32) + ((unsigned)ptr->dwLowDateTime);
-
- /* pass "no time" as epoch */
- if (x == 0)
- {
- out->tv_sec = 0;
- out->tv_nsec = 0;
- return;
- }
-
- x -= FACTOR; /* number of 100ns between 1601 and 1970 */
- rem = x % ((long long)NSPERSEC);
- x /= (long long) NSPERSEC; /* number of 100ns in a second */
- out->tv_nsec = rem * 100; /* as tv_nsec is in nanoseconds */
- out->tv_sec = x;
-}
-
-/* Cygwin internal */
-/* Get the current time as a "UNIX" timestruc_t format. */
-void __stdcall
-time_as_timestruc_t (timestruc_t * out)
-{
- FILETIME filetime;
-
- GetSystemTimeAsFileTime (&filetime);
- to_timestruc_t (&filetime, out);
-}
-
-/* time: POSIX 4.5.1.1, C 4.12.2.4 */
-/* Return number of seconds since 00:00 UTC on jan 1, 1970 */
-extern "C" time_t
-time (time_t * ptr)
-{
- time_t res;
- FILETIME filetime;
-
- GetSystemTimeAsFileTime (&filetime);
- res = to_time_t (&filetime);
- if (ptr)
- *ptr = res;
-
- syscall_printf ("%d = time (%x)", res, ptr);
-
- return res;
-}
-
-/*
- * localtime_r.c
- * Original Author: Adapted from tzcode maintained by Arthur David Olson.
- *
- * Converts the calendar time pointed to by tim_p into a broken-down time
- * expressed as local time. Returns a pointer to a structure containing the
- * broken-down time.
- */
-
-#define SECSPERMIN 60
-#define MINSPERHOUR 60
-#define HOURSPERDAY 24
-#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
-#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY)
-#define DAYSPERWEEK 7
-#define MONSPERYEAR 12
-
-#define YEAR_BASE 1900
-#define EPOCH_YEAR 1970
-#define EPOCH_WDAY 4
-
-#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
-
-#if 0 /* POSIX_LOCALTIME */
-
-static _CONST int mon_lengths[2][MONSPERYEAR] = {
- {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
- {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
-};
-
-static _CONST int year_lengths[2] = {
- 365,
- 366
-};
-
-/*
- * Convert a time_t into a struct tm *.
- * Does NO timezone conversion.
- */
-
-/* Cygwin internal */
-static struct tm * __stdcall
-corelocaltime (const time_t * tim_p)
-{
- long days, rem;
- int y;
- int yleap;
- _CONST int *ip;
- struct tm &localtime_buf=_my_tls.locals.localtime_buf;
-
- time_t tim = *tim_p;
- struct tm *res = &localtime_buf;
-
- days = ((long) tim) / SECSPERDAY;
- rem = ((long) tim) % SECSPERDAY;
-
- while (rem < 0)
- {
- rem += SECSPERDAY;
- --days;
- }
- while (rem >= SECSPERDAY)
- {
- rem -= SECSPERDAY;
- ++days;
- }
-
- /* compute hour, min, and sec */
- res->tm_hour = (int) (rem / SECSPERHOUR);
- rem %= SECSPERHOUR;
- res->tm_min = (int) (rem / SECSPERMIN);
- res->tm_sec = (int) (rem % SECSPERMIN);
-
- /* compute day of week */
- if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0)
- res->tm_wday += DAYSPERWEEK;
-
- /* compute year & day of year */
- y = EPOCH_YEAR;
- if (days >= 0)
- {
- for (;;)
- {
- yleap = isleap (y);
- if (days < year_lengths[yleap])
- break;
- y++;
- days -= year_lengths[yleap];
- }
- }
- else
- {
- do
- {
- --y;
- yleap = isleap (y);
- days += year_lengths[yleap];
- } while (days < 0);
- }
-
- res->tm_year = y - YEAR_BASE;
- res->tm_yday = days;
- ip = mon_lengths[yleap];
- for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon)
- days -= ip[res->tm_mon];
- res->tm_mday = days + 1;
-
- /* set daylight saving time flag */
- res->tm_isdst = -1;
-
- syscall_printf ("%d = corelocaltime (%x)", res, tim_p);
-
- return (res);
-}
-
-/* localtime: POSIX 8.1.1, C 4.12.3.4 */
-/*
- * localtime takes a time_t (which is in UTC)
- * and formats it into a struct tm as a local time.
- */
-extern "C" struct tm *
-localtime (const time_t *tim_p)
-{
- time_t tim = *tim_p;
- struct tm *rtm;
-
- tzset ();
-
- tim -= _timezone;
-
- rtm = corelocaltime (&tim);
-
- rtm->tm_isdst = _daylight;
-
- syscall_printf ("%x = localtime (%x)", rtm, tim_p);
-
- return rtm;
-}
-
-/* gmtime: C 4.12.3.3 */
-/*
- * gmtime takes a time_t (which is already in UTC)
- * and just puts it into a struct tm.
- */
-extern "C" struct tm *
-gmtime (const time_t *tim_p)
-{
- time_t tim = *tim_p;
-
- struct tm *rtm = corelocaltime (&tim);
- /* UTC has no daylight savings time */
- rtm->tm_isdst = 0;
-
- syscall_printf ("%x = gmtime (%x)", rtm, tim_p);
-
- return rtm;
-}
-
-#endif /* POSIX_LOCALTIME */
-
-/* utimes: POSIX/SUSv3 */
-extern "C" int
-utimes (const char *path, const struct timeval *tvp)
-{
- int res = -1;
- fhandler_base *fh;
-
- if (!(fh = build_fh_name (path, NULL, PC_SYM_FOLLOW)))
- goto error;
-
- if (fh->error ())
- {
- debug_printf ("got %d error from build_fh_name", fh->error ());
- set_errno (fh->error ());
- }
- else
- res = fh->utimes (tvp);
-
- delete fh;
- error:
- syscall_printf ("%d = utimes (%s, %p)", res, path, tvp);
- return res;
-}
-
-/* utime: POSIX 5.6.6.1 */
-extern "C" int
-utime (const char *path, const struct utimbuf *buf)
-{
- struct timeval tmp[2];
-
- if (buf == 0)
- return utimes (path, 0);
-
- debug_printf ("incoming utime act %x", buf->actime);
- tmp[0] = time_t_to_timeval (buf->actime);
- tmp[1] = time_t_to_timeval (buf->modtime);
-
- return utimes (path, tmp);
-}
-
-/* ftime: standards? */
-extern "C" int
-ftime (struct timeb *tp)
-{
- struct timeval tv;
- struct timezone tz;
-
- if (gettimeofday (&tv, &tz) < 0)
- return -1;
-
- tp->time = tv.tv_sec;
- tp->millitm = tv.tv_usec / 1000;
- tp->timezone = tz.tz_minuteswest;
- tp->dstflag = tz.tz_dsttime;
-
- return 0;
-}
-
-/* obsolete, changed to cygwin_tzset when localtime.c was added - dj */
-extern "C" void
-cygwin_tzset ()
-{
-}
-
-void
-hires_us::prime ()
-{
- LARGE_INTEGER ifreq;
- if (!QueryPerformanceFrequency (&ifreq))
- {
- inited = -1;
- return;
- }
-
- FILETIME f;
- int priority = GetThreadPriority (GetCurrentThread ());
- SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_TIME_CRITICAL);
- if (!QueryPerformanceCounter (&primed_pc))
- {
- SetThreadPriority (GetCurrentThread (), priority);
- inited = -1;
- return;
- }
-
- GetSystemTimeAsFileTime (&f);
- SetThreadPriority (GetCurrentThread (), priority);
-
- inited = 1;
- primed_ft.HighPart = f.dwHighDateTime;
- primed_ft.LowPart = f.dwLowDateTime;
- primed_ft.QuadPart -= FACTOR;
- primed_ft.QuadPart /= 10;
- freq = (double) ((double) 1000000. / (double) ifreq.QuadPart);
- return;
-}
-
-LONGLONG
-hires_us::usecs (bool justdelta)
-{
- if (!inited)
- prime ();
- if (inited < 0)
- {
- set_errno (ENOSYS);
- return (long long) -1;
- }
-
- LARGE_INTEGER now;
- if (!QueryPerformanceCounter (&now))
- {
- set_errno (ENOSYS);
- return -1;
- }
-
- // FIXME: Use round() here?
- now.QuadPart = (LONGLONG) (freq * (double) (now.QuadPart - primed_pc.QuadPart));
- LONGLONG res = justdelta ? now.QuadPart : primed_ft.QuadPart + now.QuadPart;
- return res;
-}
-
-UINT
-hires_ms::prime ()
-{
- TIMECAPS tc;
- FILETIME f;
-
- if (!minperiod)
- if (timeGetDevCaps (&tc, sizeof (tc)) != TIMERR_NOERROR)
- minperiod = 1;
- else
- {
- minperiod = min (max (tc.wPeriodMin, 1), tc.wPeriodMax);
- timeBeginPeriod (minperiod);
- }
-
- if (!inited)
- {
- int priority = GetThreadPriority (GetCurrentThread ());
- SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_TIME_CRITICAL);
- initime_ms = timeGetTime ();
- GetSystemTimeAsFileTime (&f);
- SetThreadPriority (GetCurrentThread (), priority);
-
- inited = 1;
- initime_us.HighPart = f.dwHighDateTime;
- initime_us.LowPart = f.dwLowDateTime;
- initime_us.QuadPart -= FACTOR;
- initime_us.QuadPart /= 10;
- }
- return minperiod;
-}
-
-LONGLONG
-hires_ms::usecs (bool justdelta)
-{
- if (!minperiod) /* NO_COPY variable */
- prime ();
- DWORD now = timeGetTime ();
- if (now < initime_ms)
- {
- inited = 0;
- prime ();
- now = timeGetTime ();
- }
- // FIXME: Not sure how this will handle the 49.71 day wrap around
- LONGLONG res = initime_us.QuadPart + ((LONGLONG) (now - initime_ms) * 1000);
- return res;
-}
-
-extern "C" int
-clock_gettime (clockid_t clk_id, struct timespec *tp)
-{
- if (clk_id != CLOCK_REALTIME)
- {
- set_errno (ENOSYS);
- return -1;
- }
-
- LONGLONG now = gtod.usecs (false);
- if (now == (LONGLONG) -1)
- return -1;
-
- tp->tv_sec = now / 1000000;
- tp->tv_nsec = (now % 1000000) * 1000;
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-16 14:51:18 +0300