| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * 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. |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <pthread.h> |
| #include <stdatomic.h> |
| |
| #include <private/bionic_globals.h> |
| #include <private/bionic_malloc_dispatch.h> |
| |
| // Function prototypes. |
| bool InitSharedLibrary(void* impl_handle, const char* shared_lib, const char* prefix, |
| MallocDispatch* dispatch_table); |
| |
| void* LoadSharedLibrary(const char* shared_lib, const char* prefix, MallocDispatch* dispatch_table); |
| |
| bool FinishInstallHooks(libc_globals* globals, const char* options, const char* prefix); |
| |
| // Lock for globals, to guarantee that only one thread is doing a mutate. |
| extern pthread_mutex_t gGlobalsMutateLock; |
| extern _Atomic bool gGlobalsMutating; |
| |
| // Function hooks instantiations, used by dispatch-table allocators to install themselves. |
| void SetGlobalFunctions(void* functions[]); |