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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
{
global:
extern "C++" {
# Export pthread_once-related symbols so that two SO files
# (e.g. libarrow.so and libplasma.so) don't use separate copies of
# those symbols.
# See https://github.com/apache/arrow/pull/1953#issuecomment-386057063
std::__once*;
# The leading asterisk is required for symbols such as
# "typeinfo for arrow::SomeClass".
# Unfortunately this will also catch template specializations
# (from e.g. STL or Flatbuffers) involving Arrow types.
*arrow::*;
};
# Also export C-level helpers
arrow_*;
pyarrow_*;
# Symbols marked as 'local' are not exported by the DSO and thus may not
# be used by client applications. Everything except the above falls here.
# This ensures we hide symbols of static dependencies.
local:
*;
};
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