SPINLOCK_EXTERN 69 kernel/generic/include/console/console.h SPINLOCK_EXTERN(kio_lock); SPINLOCK_EXTERN 97 kernel/generic/include/console/kconsole.h SPINLOCK_EXTERN(cmd_lock); SPINLOCK_EXTERN 61 kernel/generic/include/mm/asid.h SPINLOCK_EXTERN(asidlock);HelenOS homepage, sources at GitHub