| /* 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_hook.h. See malloc_hook.h for details |
| * on how to use these. |
| */ |
| |
| #ifndef _MALLOC_HOOK_C_H_ |
| #define _MALLOC_HOOK_C_H_ |
| |
| #include <stddef.h> |
| #include <sys/types.h> |
| |
| /* Annoying stuff for windows; makes sure clients can import these functions */ |
| #ifndef PERFTOOLS_DLL_DECL |
| # ifdef _WIN32 |
| # define PERFTOOLS_DLL_DECL __declspec(dllimport) |
| # else |
| # define PERFTOOLS_DLL_DECL |
| # endif |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Get the current stack trace. Try to skip all routines up to and |
| * and including the caller of MallocHook::Invoke*. |
| * Use "skip_count" (similarly to GetStackTrace from stacktrace.h) |
| * as a hint about how many routines to skip if better information |
| * is not available. |
| */ |
| PERFTOOLS_DLL_DECL |
| int MallocHook_GetCallerStackTrace(void** result, int max_depth, |
| int skip_count); |
| |
| /* The MallocHook_{Add,Remove}*Hook functions return 1 on success and 0 on |
| * failure. |
| */ |
| |
| typedef void (*MallocHook_NewHook)(const void* ptr, size_t size); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddNewHook(MallocHook_NewHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveNewHook(MallocHook_NewHook hook); |
| |
| typedef void (*MallocHook_DeleteHook)(const void* ptr); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddDeleteHook(MallocHook_DeleteHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveDeleteHook(MallocHook_DeleteHook hook); |
| |
| typedef void (*MallocHook_PreMmapHook)(const void *start, |
| size_t size, |
| int protection, |
| int flags, |
| int fd, |
| off_t offset); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemovePreMmapHook(MallocHook_PreMmapHook hook); |
| |
| typedef void (*MallocHook_MmapHook)(const void* result, |
| const void* start, |
| size_t size, |
| int protection, |
| int flags, |
| int fd, |
| off_t offset); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddMmapHook(MallocHook_MmapHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveMmapHook(MallocHook_MmapHook hook); |
| |
| typedef int (*MallocHook_MmapReplacement)(const void* start, |
| size_t size, |
| int protection, |
| int flags, |
| int fd, |
| off_t offset, |
| void** result); |
| int MallocHook_SetMmapReplacement(MallocHook_MmapReplacement hook); |
| int MallocHook_RemoveMmapReplacement(MallocHook_MmapReplacement hook); |
| |
| typedef void (*MallocHook_MunmapHook)(const void* ptr, size_t size); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddMunmapHook(MallocHook_MunmapHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveMunmapHook(MallocHook_MunmapHook hook); |
| |
| typedef int (*MallocHook_MunmapReplacement)(const void* ptr, |
| size_t size, |
| int* result); |
| int MallocHook_SetMunmapReplacement(MallocHook_MunmapReplacement hook); |
| int MallocHook_RemoveMunmapReplacement(MallocHook_MunmapReplacement hook); |
| |
| typedef void (*MallocHook_MremapHook)(const void* result, |
| const void* old_addr, |
| size_t old_size, |
| size_t new_size, |
| int flags, |
| const void* new_addr); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddMremapHook(MallocHook_MremapHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveMremapHook(MallocHook_MremapHook hook); |
| |
| typedef void (*MallocHook_PreSbrkHook)(ptrdiff_t increment); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddPreSbrkHook(MallocHook_PreSbrkHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemovePreSbrkHook(MallocHook_PreSbrkHook hook); |
| |
| typedef void (*MallocHook_SbrkHook)(const void* result, ptrdiff_t increment); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_AddSbrkHook(MallocHook_SbrkHook hook); |
| PERFTOOLS_DLL_DECL |
| int MallocHook_RemoveSbrkHook(MallocHook_SbrkHook hook); |
| |
| /* The following are DEPRECATED. */ |
| PERFTOOLS_DLL_DECL |
| MallocHook_NewHook MallocHook_SetNewHook(MallocHook_NewHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_DeleteHook MallocHook_SetDeleteHook(MallocHook_DeleteHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_PreMmapHook MallocHook_SetPreMmapHook(MallocHook_PreMmapHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_MmapHook MallocHook_SetMmapHook(MallocHook_MmapHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_MunmapHook MallocHook_SetMunmapHook(MallocHook_MunmapHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_MremapHook MallocHook_SetMremapHook(MallocHook_MremapHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_PreSbrkHook MallocHook_SetPreSbrkHook(MallocHook_PreSbrkHook hook); |
| PERFTOOLS_DLL_DECL |
| MallocHook_SbrkHook MallocHook_SetSbrkHook(MallocHook_SbrkHook hook); |
| /* End of DEPRECATED functions. */ |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif /* _MALLOC_HOOK_C_H_ */ |