open_self_procmap
ASSERT_EQ(open_self_procmap(&procmap), 0);
if (open_self_procmap(&procmap) != 0)
ASSERT_EQ(open_self_procmap(&self->procmap), 0);
if (open_self_procmap(procmap))
ASSERT_EQ(open_self_procmap(&self->procmap), 0);