d0b5c3ad65
Also add another test for dlsym(RTLD_NEXT, ..) Bug: http://b/33106624 Test: run bionic-unit-tests-glibc and bionic-unit-tests Change-Id: I340165d66bf2360b0e3273d3561a08cb5e7bd025
36 lines
1 KiB
C++
36 lines
1 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <dlfcn.h>
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#include <stdlib.h>
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static void* g_libc_close_ptr;
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static void __attribute__((constructor)) __libc_close_lookup() {
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g_libc_close_ptr = dlsym(RTLD_NEXT, "close");
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}
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// A libc function used for RTLD_NEXT
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// This function in not supposed to be called
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extern "C" int __attribute__((weak)) close(int) {
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abort();
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}
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extern "C" void* get_libc_close_ptr() {
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return g_libc_close_ptr;
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}
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