90 lines
1.6 KiB
C++
90 lines
1.6 KiB
C++
/*
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* \brief Timeout handling for netperf, based on test/alarm
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* \author Alexander Boettcher
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* \date 2014-01-10
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*/
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/*
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* Copyright (C) 2014-2014 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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#include <os/alarm.h>
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#include <base/thread.h>
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#include <timer_session/connection.h>
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using namespace Genode;
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class Alarm_thread : Thread_deprecated<2048*sizeof(long)>, public Alarm_scheduler
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{
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private:
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Timer::Connection _timer;
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Alarm::Time _curr_time; /* jiffies value */
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enum { TIMER_GRANULARITY_MSEC = 10 };
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/**
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* Thread entry function
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*/
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void entry()
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{
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while (true) {
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_timer.msleep(TIMER_GRANULARITY_MSEC);
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Alarm_scheduler::handle(_curr_time);
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_curr_time += TIMER_GRANULARITY_MSEC;
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}
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}
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public:
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/**
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* Constructor
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*/
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Alarm_thread(): Thread_deprecated("netperf_alarm"), _curr_time(0) { start(); }
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Alarm::Time curr_time() { return _curr_time; }
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};
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/* defined in "ports/contrib/netperf/src/netlib.c" */
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extern "C" int times_up;
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class One_shot : public Alarm
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{
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private:
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Alarm_scheduler *_scheduler;
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public:
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One_shot(Alarm_scheduler *scheduler) : _scheduler(scheduler) { }
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void set_timeout(Time absolute_timeout)
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{
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_scheduler->schedule_absolute(this, absolute_timeout);
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}
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protected:
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bool on_alarm(unsigned) override
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{
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times_up = 1;
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return false;
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}
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};
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extern "C" void
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start_timer(int time)
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{
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static Alarm_thread alarm_thread;
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static One_shot oneshot(&alarm_thread);
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oneshot.set_timeout(alarm_thread.curr_time() + time * 1000);
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}
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