15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* Copyright (c) 2008, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * -- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Author: Craig Silverstein 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * C shims for the C++ malloc_extension.h. See malloc_extension.h for 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * details. Note these C shims always work on 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * MallocExtension::instance(); it is not possible to have more than 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * one MallocExtension object in C applications. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef _MALLOC_EXTENSION_C_H_ 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define _MALLOC_EXTENSION_C_H_ 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stddef.h> 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/types.h> 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* Annoying stuff for windows -- makes sure clients can import these fns */ 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef PERFTOOLS_DLL_DECL 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# ifdef _WIN32 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define PERFTOOLS_DLL_DECL __declspec(dllimport) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# else 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define PERFTOOLS_DLL_DECL 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# endif 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef __cplusplus 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define kMallocExtensionHistogramSize 64 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_VerifyAllMemory(void); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_VerifyNewMemory(const void* p); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_VerifyArrayNewMemory(const void* p); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_VerifyMallocMemory(const void* p); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_MallocMemoryStats(int* blocks, size_t* total, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int histogram[kMallocExtensionHistogramSize]); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL void MallocExtension_GetStats(char* buffer, int buffer_length); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* TODO(csilvers): write a C version of these routines, that perhaps 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * takes a function ptr and a void *. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* void MallocExtension_GetHeapSample(string* result); */ 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* void MallocExtension_GetHeapGrowthStacks(string* result); */ 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_GetNumericProperty(const char* property, size_t* value); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL int MallocExtension_SetNumericProperty(const char* property, size_t value); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadIdle(void); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL void MallocExtension_MarkThreadBusy(void); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL void MallocExtension_ReleaseToSystem(size_t num_bytes); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL void MallocExtension_ReleaseFreeMemory(void); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL size_t MallocExtension_GetEstimatedAllocatedSize(size_t size); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL size_t MallocExtension_GetAllocatedSize(const void* p); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * NOTE: These enum values MUST be kept in sync with the version in 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * malloc_extension.h 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef enum { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension_kUnknownOwnership = 0, 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension_kOwned, 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension_kNotOwned 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} MallocExtension_Ownership; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PERFTOOLS_DLL_DECL MallocExtension_Ownership MallocExtension_GetOwnership(const void* p); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef __cplusplus 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // extern "C" 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif /* _MALLOC_EXTENSION_C_H_ */ 100