15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ptw32_timespec.c 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Description: 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * This translation unit implements routines which are private to 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * the implementation and may be used throughout it. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * -------------------------------------------------------------------------- 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Pthreads-win32 - POSIX Threads Library for Win32 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright(C) 1998 John E. Bossom 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright(C) 1999,2005 Pthreads-win32 contributors 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Contact Email: rpj@callisto.canberra.edu.au 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * The current list of contributors is contained 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * in the file CONTRIBUTORS included with the source 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * code distribution. The list can also be seen at the 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * following World Wide Web location: 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * http://sources.redhat.com/pthreads-win32/contributors.html 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * This library is free software; you can redistribute it and/or 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * modify it under the terms of the GNU Lesser General Public 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * License as published by the Free Software Foundation; either 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * version 2 of the License, or (at your option) any later version. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * This library is distributed in the hope that it will be useful, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Lesser General Public License for more details. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * You should have received a copy of the GNU Lesser General Public 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * License along with this library in the file COPYING.LIB; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * if not, write to the Free Software Foundation, Inc., 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "pthread.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "implement.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(NEED_FTIME) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * time between jan 1, 1601 and jan 1, 1970 in units of 100 nanoseconds 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PTW32_TIMESPEC_TO_FILETIME_OFFSET \ 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ( ((int64_t) 27111902 << 32) + (int64_t) 3577643008 ) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)INLINE void 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ptw32_timespec_to_filetime (const struct timespec *ts, FILETIME * ft) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ------------------------------------------------------------------- 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * converts struct timespec 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * where the time is expressed in seconds and nanoseconds from Jan 1, 1970. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * into FILETIME (as set by GetSystemTimeAsFileTime), where the time is 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * expressed in 100 nanoseconds from Jan 1, 1601, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ------------------------------------------------------------------- 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *(int64_t *) ft = ts->tv_sec * 10000000 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) + (ts->tv_nsec + 50) / 100 + PTW32_TIMESPEC_TO_FILETIME_OFFSET; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)INLINE void 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ptw32_filetime_to_timespec (const FILETIME * ft, struct timespec *ts) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ------------------------------------------------------------------- 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * converts FILETIME (as set by GetSystemTimeAsFileTime), where the time is 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * expressed in 100 nanoseconds from Jan 1, 1601, 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * into struct timespec 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * where the time is expressed in seconds and nanoseconds from Jan 1, 1970. 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * ------------------------------------------------------------------- 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ts->tv_sec = 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (int) ((*(int64_t *) ft - PTW32_TIMESPEC_TO_FILETIME_OFFSET) / 10000000); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ts->tv_nsec = 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (int) ((*(int64_t *) ft - PTW32_TIMESPEC_TO_FILETIME_OFFSET - 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ((int64_t) ts->tv_sec * (int64_t) 10000000)) * 100); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif /* NEED_FTIME */ 84