#include <u.h>#include <libc.h>#include <fcall.h>#include <thread.h>#include <9p.h> static voidrforker(void (*fn)(void*), void *arg, int flag){	switch(rfork(RFPROC|RFMEM|RFNOWAIT|flag)){	case -1:		sysfatal("rfork: %r");	default:		return;	case 0:		fn(arg);		_exits(0);	}} voidlistensrv(Srv *s, char *addr){	_forker = rforker;	_listensrv(s, addr);} voidpostmountsrv(Srv *s, char *name, char *mtpt, int flag){	_forker = rforker;	_postmountsrv(s, name, mtpt, flag);}