61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// This file is copied from
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// https://github.com/apache/impala/blob/branch-2.9.0/be/src/util/dynamic-util.cc
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// and modified by Doris
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#include "util/dynamic_util.h"
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#include <dlfcn.h>
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#include <sstream>
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namespace doris {
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Status dynamic_lookup(void* handle, const char* symbol, void** fn_ptr) {
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*(void**)(fn_ptr) = dlsym(handle, symbol);
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char* error = dlerror();
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if (error != nullptr) {
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return Status::InternalError("Unable to find {}\ndlerror: {}", symbol, error);
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}
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return Status::OK();
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}
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Status dynamic_open(const char* library, void** handle) {
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int flags = RTLD_NOW;
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*handle = dlopen(library, flags);
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if (*handle == nullptr) {
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return Status::InternalError("Unable to load {}\ndlerror: {}", library, dlerror());
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}
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return Status::OK();
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}
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void dynamic_close(void* handle) {
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// There is an issue of LSAN can't deal well with dlclose(), so we disable LSAN here, more details:
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// https://github.com/google/sanitizers/issues/89
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#if !defined(ADDRESS_SANITIZER) && !defined(LEAK_SANITIZER)
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dlclose(handle);
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#endif
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}
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} // namespace doris
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