mirror of
https://github.com/minio/minio.git
synced 2025-10-31 08:11:19 +01:00
1f262daf6f
This is to ensure that there are no projects that try to import `minio/minio/pkg` into their own repo. Any such common packages should go to `https://github.com/minio/pkg`
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package ioutil
|
|
|
|
import (
|
|
"io"
|
|
"sync"
|
|
)
|
|
|
|
// PipeWriter is similar to io.PipeWriter with wait group
|
|
type PipeWriter struct {
|
|
*io.PipeWriter
|
|
done func()
|
|
}
|
|
|
|
// CloseWithError close with supplied error the writer end.
|
|
func (w *PipeWriter) CloseWithError(err error) error {
|
|
err = w.PipeWriter.CloseWithError(err)
|
|
w.done()
|
|
return err
|
|
}
|
|
|
|
// PipeReader is similar to io.PipeReader with wait group
|
|
type PipeReader struct {
|
|
*io.PipeReader
|
|
wait func()
|
|
}
|
|
|
|
// CloseWithError close with supplied error the reader end
|
|
func (r *PipeReader) CloseWithError(err error) error {
|
|
err = r.PipeReader.CloseWithError(err)
|
|
r.wait()
|
|
return err
|
|
}
|
|
|
|
// WaitPipe implements wait-group backend io.Pipe to provide
|
|
// synchronization between read() end with write() end.
|
|
func WaitPipe() (*PipeReader, *PipeWriter) {
|
|
r, w := io.Pipe()
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
return &PipeReader{
|
|
PipeReader: r,
|
|
wait: wg.Wait,
|
|
}, &PipeWriter{
|
|
PipeWriter: w,
|
|
done: wg.Done,
|
|
}
|
|
}
|