annotate base/System.cpp @ 97:22494cc28c9f

* Reduce number of allocations and deallocations by keeping a spare buffer around (we were generally deallocating and then immediately allocating again, so it's much better not to have to bother as very large allocations can tie up the system)
author Chris Cannam
date Thu, 04 May 2006 20:17:28 +0000
parents d397ea0a79f5
children 604bd4ee3ed4
rev   line source
Chris@49 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@52 4 Sonic Visualiser
Chris@52 5 An audio file viewer and annotation editor.
Chris@52 6 Centre for Digital Music, Queen Mary, University of London.
Chris@52 7 This file copyright 2006 Chris Cannam.
Chris@0 8
Chris@52 9 This program is free software; you can redistribute it and/or
Chris@52 10 modify it under the terms of the GNU General Public License as
Chris@52 11 published by the Free Software Foundation; either version 2 of the
Chris@52 12 License, or (at your option) any later version. See the file
Chris@52 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "System.h"
Chris@0 17
Chris@0 18 #ifdef _WIN32
Chris@0 19
Chris@0 20 extern "C" {
Chris@0 21
Chris@0 22 void gettimeofday(struct timeval *tv, void *tz)
Chris@0 23 {
Chris@0 24 union {
Chris@0 25 long long ns100;
Chris@0 26 FILETIME ft;
Chris@0 27 } now;
Chris@0 28
Chris@0 29 GetSystemTimeAsFileTime(&now.ft);
Chris@0 30 tv->tv_usec = (long)((now.ns100 / 10LL) % 1000000LL);
Chris@0 31 tv->tv_sec = (long)((now.ns100 - 116444736000000000LL) / 10000000LL);
Chris@0 32 }
Chris@0 33
Chris@0 34 }
Chris@0 35
Chris@0 36 #endif