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102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
/* Copyright (c) 2008, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* --
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* Author: Craig Silverstein
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*
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* C shims for the C++ malloc_extension.h. See malloc_extension.h for
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* details. Note these C shims always work on
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* MallocExtension::instance(); it is not possible to have more than
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* one MallocExtension object in C applications.
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*/
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#ifndef _MALLOC_EXTENSION_C_H_
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#define _MALLOC_EXTENSION_C_H_
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#include <stddef.h>
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#include <sys/types.h>
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/* Annoying stuff for windows -- makes sure clients can import these fns */
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#ifndef PERFTOOLS_DLL_DECL
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# ifdef _WIN32
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# define PERFTOOLS_DLL_DECL __declspec(dllimport)
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# else
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# define PERFTOOLS_DLL_DECL
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# endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define kMallocExtensionHistogramSize 64
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PERFTOOLS_DLL_DECL int MallocExtension_VerifyAllMemory(void);
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PERFTOOLS_DLL_DECL int MallocExtension_VerifyNewMemory(const void* p);
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PERFTOOLS_DLL_DECL int MallocExtension_VerifyArrayNewMemory(const void* p);
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PERFTOOLS_DLL_DECL int MallocExtension_VerifyMallocMemory(const void* p);
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PERFTOOLS_DLL_DECL int MallocExtension_MallocMemoryStats(int* blocks, size_t* total,
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int histogram[kMallocExtensionHistogramSize]);
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PERFTOOLS_DLL_DECL void MallocExtension_GetStats(char* buffer, int buffer_length);
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/* TODO(csilvers): write a C version of these routines, that perhaps
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* takes a function ptr and a void *.
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*/
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/* void MallocExtension_GetHeapSample(string* result); */
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/* void MallocExtension_GetHeapGrowthStacks(string* result); */
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PERFTOOLS_DLL_DECL int MallocExtension_GetNumericProperty(const char* property, size_t* value);
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PERFTOOLS_DLL_DECL int MallocExtension_SetNumericProperty(const char* property, size_t value);
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PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadIdle(void);
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PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadBusy(void);
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PERFTOOLS_DLL_DECL void MallocExtension_ReleaseToSystem(size_t num_bytes);
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PERFTOOLS_DLL_DECL void MallocExtension_ReleaseFreeMemory(void);
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PERFTOOLS_DLL_DECL size_t MallocExtension_GetEstimatedAllocatedSize(size_t size);
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PERFTOOLS_DLL_DECL size_t MallocExtension_GetAllocatedSize(const void* p);
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PERFTOOLS_DLL_DECL size_t MallocExtension_GetThreadCacheSize(void);
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PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadTemporarilyIdle(void);
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/*
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* NOTE: These enum values MUST be kept in sync with the version in
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* malloc_extension.h
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*/
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typedef enum {
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MallocExtension_kUnknownOwnership = 0,
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MallocExtension_kOwned,
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MallocExtension_kNotOwned
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} MallocExtension_Ownership;
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PERFTOOLS_DLL_DECL MallocExtension_Ownership MallocExtension_GetOwnership(const void* p);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _MALLOC_EXTENSION_C_H_ */
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