| /* |
| * ptw32_timespec.c |
| * |
| * Description: |
| * This translation unit implements routines which are private to |
| * the implementation and may be used throughout it. |
| * |
| * -------------------------------------------------------------------------- |
| * |
| * Pthreads-win32 - POSIX Threads Library for Win32 |
| * Copyright(C) 1998 John E. Bossom |
| * Copyright(C) 1999,2005 Pthreads-win32 contributors |
| * |
| * Contact Email: rpj@callisto.canberra.edu.au |
| * |
| * The current list of contributors is contained |
| * in the file CONTRIBUTORS included with the source |
| * code distribution. The list can also be seen at the |
| * following World Wide Web location: |
| * http://sources.redhat.com/pthreads-win32/contributors.html |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library in the file COPYING.LIB; |
| * if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| */ |
| |
| #include "pthread.h" |
| #include "implement.h" |
| |
| |
| #ifdef NEED_FTIME |
| |
| /* |
| * time between jan 1, 1601 and jan 1, 1970 in units of 100 nanoseconds |
| */ |
| #define PTW32_TIMESPEC_TO_FILETIME_OFFSET \ |
| ( ((LONGLONG) 27111902 << 32) + (LONGLONG) 3577643008 ) |
| |
| INLINE void |
| ptw32_timespec_to_filetime (const struct timespec *ts, FILETIME * ft) |
| /* |
| * ------------------------------------------------------------------- |
| * converts struct timespec |
| * where the time is expressed in seconds and nanoseconds from Jan 1, 1970. |
| * into FILETIME (as set by GetSystemTimeAsFileTime), where the time is |
| * expressed in 100 nanoseconds from Jan 1, 1601, |
| * ------------------------------------------------------------------- |
| */ |
| { |
| *(LONGLONG *) ft = ts->tv_sec * 10000000 |
| + (ts->tv_nsec + 50) / 100 + PTW32_TIMESPEC_TO_FILETIME_OFFSET; |
| } |
| |
| INLINE void |
| ptw32_filetime_to_timespec (const FILETIME * ft, struct timespec *ts) |
| /* |
| * ------------------------------------------------------------------- |
| * converts FILETIME (as set by GetSystemTimeAsFileTime), where the time is |
| * expressed in 100 nanoseconds from Jan 1, 1601, |
| * into struct timespec |
| * where the time is expressed in seconds and nanoseconds from Jan 1, 1970. |
| * ------------------------------------------------------------------- |
| */ |
| { |
| ts->tv_sec = |
| (int) ((*(LONGLONG *) ft - PTW32_TIMESPEC_TO_FILETIME_OFFSET) / 10000000); |
| ts->tv_nsec = |
| (int) ((*(LONGLONG *) ft - PTW32_TIMESPEC_TO_FILETIME_OFFSET - |
| ((LONGLONG) ts->tv_sec * (LONGLONG) 10000000)) * 100); |
| } |
| |
| #endif /* NEED_FTIME */ |