blob: 45d8eea35ce3590bf3f47e396cb3e236e16ba842 [file] [log] [blame]
Dimitry Ivanovd0b5c3a2016-11-25 12:23:11 -08001/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <dlfcn.h>
18#include <stdlib.h>
19
20static void* g_libc_close_ptr;
21
22static void __attribute__((constructor)) __libc_close_lookup() {
23 g_libc_close_ptr = dlsym(RTLD_NEXT, "close");
24}
25
26// A libc function used for RTLD_NEXT
27// This function in not supposed to be called
28extern "C" int __attribute__((weak)) close(int) {
29 abort();
30}
31
32extern "C" void* get_libc_close_ptr() {
33 return g_libc_close_ptr;
34}
35
36