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