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# Licensed 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.
begin
# force fallback impl with FORCE_ATOMIC_FALLBACK=1
if /[^0fF]/ =~ ENV['FORCE_ATOMIC_FALLBACK']
ruby_engine = 'fallback'
else
ruby_engine = defined?(RUBY_ENGINE)? RUBY_ENGINE : 'ruby'
end
require "atomic/#{ruby_engine}"
rescue LoadError
warn "#{__FILE__}:#{__LINE__}: unsupported Ruby engine `#{RUBY_ENGINE}', using less-efficient Atomic impl"
require 'atomic/fallback'
end
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