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Diffstat (limited to 'winsup/cygwin/times.cc')
-rw-r--r-- | winsup/cygwin/times.cc | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc deleted file mode 100644 index 738d84f..0000000 --- a/winsup/cygwin/times.cc +++ /dev/null @@ -1,546 +0,0 @@ -/* times.cc - - Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions. - -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. */ - -/* Hide definitions from the library since they contain the - "dllimport" attribute. */ -#define _timezone dummy_timezone -#define _daylight dummy_daylight -#include <time.h> -#include <sys/times.h> -#include <sys/timeb.h> -#include <utime.h> -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include "winsup.h" - -#undef _timezone -#undef _daylight -extern time_t _timezone; -extern int _daylight; - -#define FACTOR (0x19db1ded53ea710LL) -#define NSPERSEC 10000000LL - -static void __stdcall timeval_to_filetime (timeval *time, FILETIME *out); - -/* 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\n", (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; - - 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 (os_being_run == winNT) - { - 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; -} - -extern "C" clock_t -_times (struct tms * buf) -{ - return times (buf); -} - -/* settimeofday: BSD */ -extern "C" int -settimeofday (const struct timeval *, const struct timezone *) -{ - set_errno (ENOSYS); - return -1; -} - -/* timezone: standards? */ -extern "C" char * -timezone () -{ -#ifdef _MT_SAFE - char *b=_reent_winsup()->_b; -#else - static NO_COPY char b[20] = {0}; -#endif - - 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); -} - -/* gettimeofday: BSD */ -extern "C" int -gettimeofday (struct timeval *p, struct timezone *z) -{ - int res = 0; - - if (p != NULL) - { - SYSTEMTIME t; - FILETIME f; - - GetSystemTime (&t); - if (! SystemTimeToFileTime (&t, &f)) - res = -1; - totimeval (p, &f, 0, 1); - } - - if (z != NULL) - { - tzset(); - z->tz_minuteswest = _timezone / 60; - z->tz_dsttime = _daylight; - } - - syscall_printf ("%d = gettimeofday (%x, %x)", res, p, z); - - return res; -} - -extern "C" -int -_gettimeofday (struct timeval *p, struct timezone *z) -{ - return gettimeofday (p, z); -} - -#if 0 -/* Work out magic constant below */ -genf () -{ - SYSTEMTIME s; - FILETIME f; - s.wYear = 1970; - s.wMonth = 1; - s.wDayOfWeek = 5; - s.wDay = 1; - s.wHour = 0; - s.wMinute = 0; - s.wSecond = 0; - s.wMilliseconds = 1; - SystemTimeToFileTime (&s, &f); - - small_printf ("FILE TIME is %08x%08x\n", - f.dwHighDateTime, - f.dwLowDateTime); -} -#endif - -/* 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 */ -static void __stdcall -timeval_to_filetime (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 rem; - long long x = ((long long) ptr->dwHighDateTime << 32) + ((unsigned)ptr->dwLowDateTime); - x -= FACTOR; /* number of 100ns between 1601 and 1970 */ - rem = x % ((long long)NSPERSEC); - rem += (NSPERSEC / 2); - x /= (long long) NSPERSEC; /* number of 100ns in a second */ - x += (long long) (rem / NSPERSEC); - return x; -} - -/* 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; - SYSTEMTIME systemtime; - FILETIME filetime; - - GetSystemTime (&systemtime); - SystemTimeToFileTime (&systemtime, &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; -#ifdef _MT_SAFE - struct tm &localtime_buf=_reent_winsup()->_localtime_buf; -#else - static NO_COPY struct tm localtime_buf = {0}; -#endif - - 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: standards? */ -extern "C" -int -utimes (const char *path, struct timeval *tvp) -{ - int res = 0; - struct timeval tmp[2]; - path_conv win32 (path); - - if (win32.error) - { - set_errno (win32.error); - syscall_printf ("-1 = utimes (%s, %x)", path, tvp); - return -1; - } - - /* MSDN suggests using FILE_FLAG_BACKUP_SEMANTICS for accessing - the times of directories. FIXME: what about Win95??? */ - HANDLE h = CreateFileA (win32.get_win32 (), - GENERIC_WRITE, - FILE_SHARE_READ | FILE_SHARE_WRITE, - &sec_none_nih, - OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL | FILE_FLAG_BACKUP_SEMANTICS, - 0); - - if (h == INVALID_HANDLE_VALUE) - { - if ((res = GetFileAttributes (win32.get_win32 ())) != -1 && - (res & FILE_ATTRIBUTE_DIRECTORY)) - { - /* What we can do with directories more? */ - res = 0; - } - else - { - res = -1; - __seterrno (); - } - } - else - { - if (tvp == 0) - { - gettimeofday (&tmp[0], 0); - tmp[1] = tmp[0]; - tvp = tmp; - } - - FILETIME lastaccess; - FILETIME lastwrite; - - timeval_to_filetime (tvp + 0, &lastaccess); - timeval_to_filetime (tvp + 1, &lastwrite); - - debug_printf ("incoming lastaccess %08x %08x", - tvp->tv_sec, - tvp->tv_usec); - -// dump_filetime (lastaccess); -// dump_filetime (lastwrite); - - /* FIXME: SetFileTime needs a handle with a write lock - on the file whose time is being modified. So calls to utime() - fail for read only files. */ - - if (!SetFileTime (h, 0, &lastaccess, &lastwrite)) - { - __seterrno (); - res = -1; - } - else - res = 0; - CloseHandle (h); - } - - syscall_printf ("%d = utimes (%s, %x); (h%d)", - res, path, tvp, h); - return res; -} - -/* utime: POSIX 5.6.6.1 */ -extern "C" -int -utime (const char *path, 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 () -{ -} |