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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_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_ */
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