mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 16:26:10 +03:00
52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef BASE_ALLOCATOR_ALLOCATOR_EXTENSION_H_
|
||
|
|
#define BASE_ALLOCATOR_ALLOCATOR_EXTENSION_H_
|
||
|
|
|
||
|
|
#include <stddef.h> // for size_t
|
||
|
|
|
||
|
|
#include "base/base_export.h"
|
||
|
|
#include "build/build_config.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
namespace allocator {
|
||
|
|
|
||
|
|
// Callback types for alloc and free.
|
||
|
|
using AllocHookFunc = void (*)(const void*, size_t);
|
||
|
|
using FreeHookFunc = void (*)(const void*);
|
||
|
|
|
||
|
|
// Request that the allocator release any free memory it knows about to the
|
||
|
|
// system.
|
||
|
|
BASE_EXPORT void ReleaseFreeMemory();
|
||
|
|
|
||
|
|
// Get the named property's |value|. Returns true if the property is known.
|
||
|
|
// Returns false if the property is not a valid property name for the current
|
||
|
|
// allocator implementation.
|
||
|
|
// |name| or |value| cannot be NULL
|
||
|
|
BASE_EXPORT bool GetNumericProperty(const char* name, size_t* value);
|
||
|
|
|
||
|
|
BASE_EXPORT bool IsHeapProfilerRunning();
|
||
|
|
|
||
|
|
// Register callbacks for alloc and free. Can only store one callback at a time
|
||
|
|
// for each of alloc and free.
|
||
|
|
BASE_EXPORT void SetHooks(AllocHookFunc alloc_hook, FreeHookFunc free_hook);
|
||
|
|
|
||
|
|
// Attempts to unwind the call stack from the current location where this
|
||
|
|
// function is being called from. Must be called from a hook function registered
|
||
|
|
// by calling SetSingle{Alloc,Free}Hook, directly or indirectly.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// stack: pointer to a pre-allocated array of void*'s.
|
||
|
|
// max_stack_size: indicates the size of the array in |stack|.
|
||
|
|
//
|
||
|
|
// Returns the number of call stack frames stored in |stack|, or 0 if no call
|
||
|
|
// stack information is available.
|
||
|
|
BASE_EXPORT int GetCallStack(void** stack, int max_stack_size);
|
||
|
|
|
||
|
|
} // namespace allocator
|
||
|
|
} // namespace base
|
||
|
|
|
||
|
|
#endif // BASE_ALLOCATOR_ALLOCATOR_EXTENSION_H_
|