1085df54ed
build files and documentation: MIT images / sources: GPL-2.0-only breeze icons: LGPL-2.0-only Microsoft MSM file, vc redist license
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
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* SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#include "arch/unix/ArchSleepUnix.h"
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#include "arch/Arch.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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// ArchSleepUnix
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//
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ArchSleepUnix::ArchSleepUnix()
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{
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// do nothing
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}
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ArchSleepUnix::~ArchSleepUnix()
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{
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// do nothing
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}
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void ArchSleepUnix::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 = ARCH->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 - timeout2.tv_sec));
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select(
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(SELECT_TYPE_ARG1)0, SELECT_TYPE_ARG234 NULL, SELECT_TYPE_ARG234 NULL, SELECT_TYPE_ARG234 NULL,
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SELECT_TYPE_ARG5 & timeout2
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);
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ARCH->testCancelThread();
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timeLeft = timeout - (ARCH->time() - startTime);
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}
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#endif
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}
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