优化日志库-新增Buff数量，减少多协程并发写锁等待

log/buffer.go

@@ -1,17 +1,29 @@
 package log // import "go.uber.org/zap/buffer"
 
-import "strconv"
+import (
+	"strconv"
+	"sync"
+)
 
 const _size = 9216
 
 type Buffer struct {
 	bs   []byte
+	mu     sync.Mutex // ensures atomic writes; protects the following fields
 }
 
 func (buff *Buffer) Init(){
 	buff.bs = make([]byte,_size)
 }
 
+func (buff *Buffer) Locker() {
+	buff.mu.Lock()
+}
+
+func (buff *Buffer) UnLocker() {
+	buff.mu.Unlock()
+}
+
 // AppendByte writes a single byte to the Buffer.
 func (b *Buffer) AppendByte(v byte) {
 	b.bs = append(b.bs, v)