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package sync
import (
"bytes"
"sync"
)
var (
byteSlice = sync.Pool{
New: func() interface{} {
b := make([]byte, 16*1024)
return &b
},
}
bytesBuffer = sync.Pool{
New: func() interface{} {
return bytes.NewBuffer(nil)
},
}
)
// GetByteSlice returns a *[]byte that is managed by a sync.Pool.
// The initial slice length will be 16384 (16kb).
//
// After use, the *[]byte should be put back into the sync.Pool
// by calling PutByteSlice.
func GetByteSlice() *[]byte {
buf := byteSlice.Get().(*[]byte)
return buf
}
// PutByteSlice puts buf back into its sync.Pool.
func PutByteSlice(buf *[]byte) {
byteSlice.Put(buf)
}
// GetBytesBuffer returns a *bytes.Buffer that is managed by a sync.Pool.
// Returns a buffer that is resetted and ready for use.
//
// After use, the *bytes.Buffer should be put back into the sync.Pool
// by calling PutBytesBuffer.
func GetBytesBuffer() *bytes.Buffer {
buf := bytesBuffer.Get().(*bytes.Buffer)
buf.Reset()
return buf
}
// PutBytesBuffer puts buf back into its sync.Pool.
func PutBytesBuffer(buf *bytes.Buffer) {
bytesBuffer.Put(buf)
}
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