Update cpu.go

Author: kolinfluence

thread/cpu.go

@@ -16,12 +16,14 @@ var (
 
 func init() {
 	NumCPU = uint16(runtime.NumCPU())
-	  pflag.Uint16VarP(&CPUThread, "CPUThread", "t", 0, "prefork child id")
-
 	  //Parse it in main
 //	  pflag.Parse() //parse at cxcputhread as it's very important, preparsing with another "flag" module before calling cxcputhread
 }
 
+func DefineFlags() {
+	pflag.Uint16VarP(&CPUThread, "CPUThread", "t", 0, "prefork child id")
+}
+
 //cpu core 0 == 1
 //cpu core 1 == 2
 func SetCPUAffinity(cpu uint16) error {