61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
/*
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* Copyright 2011, Michael Lotz <mmlr@mlotz.ch>.
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* Copyright 2011, Ingo Weinhold <ingo_weinhold@gmx.de>.
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*
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* Distributed under the terms of the MIT License.
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*/
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#ifndef ALLOCATION_TRACKING_H
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#define ALLOCATION_TRACKING_H
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#include <debug.h>
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#include <tracing.h>
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namespace BKernel {
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class AllocationTrackingInfo {
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public:
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AbstractTraceEntryWithStackTrace* traceEntry;
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bigtime_t traceEntryTimestamp;
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public:
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void Init(AbstractTraceEntryWithStackTrace* entry)
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{
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traceEntry = entry;
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traceEntryTimestamp = entry != NULL ? entry->Time() : -1;
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// Note: this is a race condition, if the tracing buffer wrapped and
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// got overwritten once, we would access an invalid trace entry
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// here. Obviously this is rather unlikely.
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}
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void Clear()
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{
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traceEntry = NULL;
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traceEntryTimestamp = 0;
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}
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bool IsInitialized() const
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{
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return traceEntryTimestamp != 0;
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}
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AbstractTraceEntryWithStackTrace* TraceEntry() const
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{
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return traceEntry;
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}
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bool IsTraceEntryValid() const
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{
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return tracing_is_entry_valid(traceEntry, traceEntryTimestamp);
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}
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};
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} // namespace BKernel
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using BKernel::AllocationTrackingInfo;
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#endif // ALLOCATION_TRACKING_H
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