bfs：对FileHeader的压缩和解压使用Pool管理

internal/utils/percpu/proc_id.go

@@ -0,0 +1,19 @@
+// Copyright 2024 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package percpu
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname runtime_procPin runtime.procPin
+func runtime_procPin() int
+
+//go:linkname runtime_procUnpin runtime.procUnpin
+func runtime_procUnpin() int
+
+func GetProcId() int {
+	var pid = runtime_procPin()
+	runtime_procUnpin()
+	return pid
+}