X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/ea9700ba72956ee2ef0180e62c6d5fe58271dc9a..ad2e1857ead440bc890368595899b6b51f1fe9bb:/channels.h

diff --git a/channels.h b/channels.h
index b637ab32..bd31c455 100644
--- a/channels.h
+++ b/channels.h
@@ -1,3 +1,5 @@
+/*	$OpenBSD: channels.h,v 1.67 2002/03/26 22:50:39 markus Exp $	*/
+
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -32,7 +34,6 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-/* RCSID("$OpenBSD: channels.h,v 1.64 2002/02/14 23:28:00 markus Exp $"); */
 
 #ifndef CHANNEL_H
 #define CHANNEL_H
@@ -134,6 +135,18 @@ struct Channel {
 
 #define CHAN_CLOSE_SENT			0x01
 #define CHAN_CLOSE_RCVD			0x02
+#define CHAN_EOF_SENT			0x04
+#define CHAN_EOF_RCVD			0x08
+
+/* check whether 'efd' is still in use */
+#define CHANNEL_EFD_INPUT_ACTIVE(c) \
+	(compat20 && c->extended_usage == CHAN_EXTENDED_READ && \
+	(c->efd != -1 || \
+	buffer_len(&c->extended) > 0))
+#define CHANNEL_EFD_OUTPUT_ACTIVE(c) \
+	(compat20 && c->extended_usage == CHAN_EXTENDED_WRITE && \
+	((c->efd != -1 && !(c->flags & (CHAN_EOF_RCVD|CHAN_CLOSE_RCVD))) || \
+	buffer_len(&c->extended) > 0))
 
 /* channel management */