when waiting for the multiplex exit status, read until the master end
writes an entire int of data *and* closes the client_fd; fixes mux
regression spotted by dtucker, ok dtucker@
+ - djm@cvs.openbsd.org 2007/06/19 02:04:43
+ [atomicio.c]
+ if the fd passed to atomicio/atomiciov() is non blocking, then poll() to
+ avoid a spin if it is not yet ready for reading/writing; ok dtucker@
20070614
- (dtucker) [cipher-ctr.c umac.c openbsd-compat/openssl-compat.h] Move the