mirror of https://github.com/docker/compose.git
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package streams
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import (
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"sync"
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streamsv1 "github.com/docker/compose-cli/cli/server/protos/streams/v1"
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)
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// Stream is a bidirectional stream for container IO
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type Stream struct {
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streamsv1.Streaming_NewStreamServer
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errm sync.Mutex
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ErrChan chan<- error
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}
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// CloseWithError sends the result of an action to the errChan or nil
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// if no erros
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func (s *Stream) CloseWithError(err error) error {
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s.errm.Lock()
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defer s.errm.Unlock()
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if s.ErrChan != nil {
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if err != nil {
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s.ErrChan <- err
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}
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close(s.ErrChan)
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s.ErrChan = nil
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}
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return nil
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}
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