powerproto/pkg/util/concurrent/buffer.go
storyicon 9aac714c32
init
Signed-off-by: storyicon <yuanchao@bilibili.com>
2021-07-21 00:24:43 +08:00

38 lines
1,020 B
Go

// Copyright 2021 storyicon@foxmail.com
//
// 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.
package concurrent
import (
"io"
"sync"
)
// Buffer is goroutine safety buffer
type Buffer struct {
writer io.Writer
mutex sync.Mutex
}
// Write implements the io.Writer
func (s *Buffer) Write(p []byte) (n int, err error) {
s.mutex.Lock()
defer s.mutex.Unlock()
return s.writer.Write(p)
}
// NewBuffer is used to create a new buffer
func NewBuffer(writer io.Writer) io.Writer {
return &Buffer{writer: writer}
}