if (o.opcode==gOpcode::flush||o.opcode==gOpcode::shutdown||o.opcode==gOpcode::notify)
#ifndef SYNC_PAINT
pthread_cond_signal(&cond); // wakeup gdi thread
if (o.opcode==gOpcode::flush||o.opcode==gOpcode::shutdown||o.opcode==gOpcode::notify)
#ifndef SYNC_PAINT
pthread_cond_signal(&cond); // wakeup gdi thread