45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
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/***********************************************************************
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* Copyright (c) 2002 Marcus Overhagen. All Rights Reserved.
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* This file may be used under the terms of the OpenBeOS License.
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*
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* The realtime BTimeSource
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***********************************************************************/
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// XXX This works only as long a BTimeSource is only supporting realtime
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#include <OS.h>
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#include "SystemTimeSource.h"
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_SysTimeSource::_SysTimeSource() :
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BMediaNode("time source")
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{
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}
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/* virtual */ status_t
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_SysTimeSource::SnoozeUntil(
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bigtime_t performance_time,
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bigtime_t with_latency,
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bool retry_signals)
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{
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bigtime_t time = performance_time - with_latency;
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status_t err;
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do {
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err = snooze_until(time,B_SYSTEM_TIMEBASE);
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} while (err == B_INTERRUPTED && retry_signals);
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return err;
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}
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/* virtual */ status_t
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_SysTimeSource::TimeSourceOp(
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const time_source_op_info & op,
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void * _reserved)
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{
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return B_OK;
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}
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/* virtual */ BMediaAddOn*
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_SysTimeSource::AddOn(int32 * internal_id) const
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{
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return NULL;
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}
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