blocking_open
if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo",
if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo",
if ((fd = blocking_open("/devices/pseudo/devinfo@0:devinfo,ro",
static int blocking_open(const char *, int);
if ((prov->pkc_fd = blocking_open(pool_dynamic_location(),