memset(&opening_mbuf,0,sizeof(opening_mbuf));
opening_mbuf.magic= OPENING_MAGIC;
memcpy(opening_mbuf.protocolchecksumversion,protocolchecksumversion,PCSUMSIZE);
+ opening_mbuf.overlordpid= overlordpid;
opening_mbuf.serverpid= mypid;
xfwrite(&opening_mbuf,sizeof(opening_mbuf),swfile);
xfflush(swfile);