2006-02-25 Martin Hunt <hunt@redhat.com>

2006-02-25  Martin Hunt  <hunt@redhat.com>

	* procfs.c (_stp_proc_write_cmd): Check return code for
	_stp_transport_open().

	* transport.c (_stp_transport_write): This function
	can now sleep because it is
	(_stp_handle_start): Don't use a mutex when a simple atomic
	will do.
	(_stp_work_queue): Check atomic to see if probe_start()
	has finished before attempting exit.
	(_stp_transport_close): PR2391. Cancel work queue.
	(_stp_transport_init): If _stp_register_procfs() fails,
	return an error code.

	* transport.txt: New file. Documents transport initialization and
	shutdown sequence.