lock_iom 1890 src/dps8/dps8_cpu.c lock_iom(); lock_iom 1922 src/dps8/dps8_cpu.c lock_iom(); lock_iom 3405 src/dps8/dps8_iom.c lock_iom(); lock_iom 2278 src/dps8/dps8_scu.c lock_iom (); lock_iom 128 src/dps8/threadz.h void lock_iom (void);