mirror of
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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SyncProfile.h"
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SyncProfile::SyncProfile(ThreadInfo* aInfo, int aEntrySize)
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: ThreadProfile(aInfo, new ProfileBuffer(aEntrySize))
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, mOwnerState(REFERENCED)
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{
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MOZ_COUNT_CTOR(SyncProfile);
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}
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SyncProfile::~SyncProfile()
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{
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MOZ_COUNT_DTOR(SyncProfile);
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// SyncProfile owns the ThreadInfo; see NewSyncProfile.
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ThreadInfo* info = GetThreadInfo();
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delete info;
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}
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bool
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SyncProfile::ShouldDestroy()
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{
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::MutexAutoLock lock(GetMutex());
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if (mOwnerState == OWNED) {
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mOwnerState = OWNER_DESTROYING;
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return true;
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}
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mOwnerState = ORPHANED;
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return false;
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}
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void
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SyncProfile::EndUnwind()
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{
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if (mOwnerState != ORPHANED) {
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mOwnerState = OWNED;
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}
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// Save mOwnerState before we release the mutex
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OwnerState ownerState = mOwnerState;
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ThreadProfile::EndUnwind();
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if (ownerState == ORPHANED) {
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delete this;
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}
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}
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// SyncProfiles' stacks are deduplicated in the context of the containing
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// profile in which the backtrace is as a marker payload.
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void
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SyncProfile::StreamJSON(SpliceableJSONWriter& aWriter, UniqueStacks& aUniqueStacks)
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{
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ThreadProfile::StreamSamplesAndMarkers(aWriter, /* aSinceTime = */ 0, aUniqueStacks);
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}
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