279a22f96e
Implement refcounter based data protection guard to avoid unnecessary calls to mprotect when dlopen/dlclose is called from a constructor. Bug: 19124318 Big: 7941716 Change-Id: Id221b84ce75443094f99756dc9950b0a1dc87222
24 lines
776 B
C++
24 lines
776 B
C++
/*
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* Copyright (C) 2015 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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static void __attribute__((constructor)) call_dlopen_from_ctor() {
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void* handle = dlopen("libc.so", RTLD_NOW);
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dlclose(handle);
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}
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