54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
/*
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* \brief Linux-specific sleep implementation
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* \author Norman Feske
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* \date 2006-08-15
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*/
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/*
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* Copyright (C) 2006-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Linux syscall bindings */
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#include <linux_syscalls.h>
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/* local includes */
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#include "timer_session_component.h"
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/* Linux includes */
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#include <linux_syscalls.h>
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#include <sys/time.h>
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inline int lx_gettimeofday(struct timeval *tv, struct timeval *tz)
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{
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return lx_syscall(SYS_gettimeofday, tv, tz);
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}
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unsigned long Platform_timer::max_timeout()
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{
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Genode::Lock::Guard lock_guard(_lock);
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return 1000*1000;
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}
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unsigned long Platform_timer::curr_time() const
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{
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struct timeval tv;
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lx_gettimeofday(&tv, 0);
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return tv.tv_sec*1000*1000 + tv.tv_usec;
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}
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void Platform_timer::_usleep(unsigned long usecs)
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{
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struct timespec ts;
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ts.tv_sec = usecs / (1000*1000);
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ts.tv_nsec = (usecs % (1000*1000)) * 1000;
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if (lx_nanosleep(&ts, &ts) != 0)
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throw Genode::Blocking_canceled();
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}
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