59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
/*
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* Copyright (C) 2017-2020 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/os_interface/linux/os_library_linux.h"
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#include "shared/source/helpers/debug_helpers.h"
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#include <dlfcn.h>
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namespace NEO {
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OsLibrary *OsLibrary::load(const std::string &name) {
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auto ptr = new (std::nothrow) Linux::OsLibrary(name);
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if (ptr == nullptr)
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return nullptr;
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if (!ptr->isLoaded()) {
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delete ptr;
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return nullptr;
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}
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return ptr;
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}
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namespace Linux {
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OsLibrary::OsLibrary(const std::string &name) {
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if (name.empty()) {
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this->handle = dlopen(0, RTLD_LAZY);
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} else {
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#ifdef SANITIZER_BUILD
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constexpr auto dlopenFlag = RTLD_LAZY;
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#else
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constexpr auto dlopenFlag = RTLD_LAZY | RTLD_DEEPBIND;
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#endif
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this->handle = dlopen(name.c_str(), dlopenFlag);
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}
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}
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OsLibrary::~OsLibrary() {
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if (this->handle != nullptr) {
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dlclose(this->handle);
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this->handle = nullptr;
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}
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}
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bool OsLibrary::isLoaded() {
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return this->handle != nullptr;
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}
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void *OsLibrary::getProcAddress(const std::string &procName) {
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DEBUG_BREAK_IF(this->handle == nullptr);
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return dlsym(this->handle, procName.c_str());
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}
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} // namespace Linux
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} // namespace NEO
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