43 lines
1.6 KiB
C++
43 lines
1.6 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.h
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// and modified by Doris
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#pragma once
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#include "common/status.h"
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namespace doris {
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// Look up symbols in a dynamically linked library.
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// handle -- handle to the library. nullptr if loading from the current process.
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// symbol -- symbol to lookup.
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// fn_ptr -- pointer tor return address of function.
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Status dynamic_lookup(void* handle, const char* symbol, void** fn_ptr);
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// Open a dynamically loaded library.
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// library -- name of the library. The default paths will be searched.
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// library can be nullptr to get the handle for the current process.
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// handle -- returned handle to the library.
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Status dynamic_open(const char* library, void** handle);
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// Closes the handle.
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void dynamic_close(void* handle);
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} // namespace doris
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