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base / allocator / partition_allocator / src / partition_alloc / extended_api.h [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PARTITION_ALLOC_EXTENDED_API_H_
#define PARTITION_ALLOC_EXTENDED_API_H_
#include "partition_alloc/buildflags.h"
#include "partition_alloc/partition_root.h"
#include "partition_alloc/partition_stats.h"
#include "partition_alloc/thread_cache.h"
namespace partition_alloc::internal {
// Get allocation stats for the thread cache partition on the current
// thread. See the documentation of ThreadAllocStats for details.
ThreadAllocStats GetAllocStatsForCurrentThread();
// Creates a scope for testing which:
// - if the given |root| is a default malloc root for the entire process,
// enables the thread cache for the entire process.
// (This may happen if UsePartitionAllocAsMalloc is enabled.)
// - otherwise, disables the thread cache for the entire process, and
// replaces it with a thread cache for |root|.
// This class is unsafe to run if there are multiple threads running
// in the process.
class ThreadCacheProcessScopeForTesting {
public:
explicit ThreadCacheProcessScopeForTesting(PartitionRoot* root);
~ThreadCacheProcessScopeForTesting();
ThreadCacheProcessScopeForTesting() = delete;
private:
PartitionRoot* root_ = nullptr;
#if PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC)
bool regular_was_enabled_ = false;
#endif
};
} // namespace partition_alloc::internal
#endif // PARTITION_ALLOC_EXTENDED_API_H_