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