89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
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/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package 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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#include "CArchSleepUnix.h"
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#include "CArch.h"
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#if !HAVE_NANOSLEEP
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# if HAVE_SYS_SELECT_H
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# include <sys/select.h>
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# endif
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# if HAVE_SYS_TYPES_H
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# include <sys/types.h>
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# endif
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# if HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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#endif
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//
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// CArchSleepUnix
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//
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CArchSleepUnix::CArchSleepUnix()
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{
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// do nothing
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}
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CArchSleepUnix::~CArchSleepUnix()
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{
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// do nothing
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}
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void
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CArchSleepUnix::sleep(double timeout)
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{
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ARCH->testCancelThread();
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if (timeout < 0.0) {
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return;
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}
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#if HAVE_NANOSLEEP
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// prep timeout
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struct timespec t;
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t.tv_sec = (long)timeout;
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t.tv_nsec = (long)(1.0e+9 * (timeout - (double)t.tv_sec));
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// wait
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while (nanosleep(&t, &t) < 0)
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ARCH->testCancelThread();
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#else
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/* emulate nanosleep() with select() */
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double startTime = time();
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double timeLeft = timeout;
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while (timeLeft > 0.0) {
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struct timeval timeout2;
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timeout2.tv_sec = static_cast<int>(timeLeft);
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timeout2.tv_usec = static_cast<int>(1.0e+6 * (timeLeft -
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timeout2.tv_sec));
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select((SELECT_TYPE_ARG1) 0,
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SELECT_TYPE_ARG234 NULL,
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SELECT_TYPE_ARG234 NULL,
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SELECT_TYPE_ARG234 NULL,
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SELECT_TYPE_ARG5 &timeout2);
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ARCH->testCancelThread();
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timeLeft = timeout - (time() - startTime);
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}
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#endif
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}
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