depends on the initialization state of the entropy buffer
and on the request size,
.IR buflen .
-If the entropy is not yet initialized or the request size is large
-.RI ( buflen "\ >\ 256),"
-then the call will fail with the
+If the entropy is not yet initialized, then the call will fail with the
.B EINTR
error.
+If the entropy pool has been initialized
+and the request size is large
+.RI ( buflen "\ >\ 256),"
+the call either succeeds, returning a partially filled buffer,
+or fails with the error
+.BR EINTR.
If the entropy pool has been initialized and the request size is small
.RI ( buflen "\ <=\ 256),"
then