mirror of https://github.com/aria2/aria2
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2010 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "clock_gettime_osx.h"
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#include <mach/mach.h>
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#include <mach/mach_time.h>
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int clock_gettime(int dummyid, struct timespec* tp)
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{
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static uint64_t lasttime = mach_absolute_time();
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static struct timespec monotime = {2678400, 0}; // 1month offset(24*3600*31)
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uint64_t now = mach_absolute_time();
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static mach_timebase_info_data_t baseinfo;
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if(baseinfo.denom == 0) {
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mach_timebase_info(&baseinfo);
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}
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uint64_t elapsed = (now-lasttime)*baseinfo.numer/baseinfo.denom;
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monotime.tv_sec += elapsed/1000000000;
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monotime.tv_nsec += elapsed%1000000000;
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if(monotime.tv_nsec >= 1000000000) {
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monotime.tv_sec += monotime.tv_nsec/1000000000;
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monotime.tv_nsec %= 1000000000;
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}
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lasttime = now;
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*tp = monotime;
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return 0;
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}
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