From 6ca781b8a38474ab428d5fcb3b489dfe3e974334 Mon Sep 17 00:00:00 2001
From: bustico
Date: Fri, 21 Mar 2008 09:03:34 +0000
Subject: - numerous fixes - socket in non blocking mode (resolve some
 deadlock, and agent are immune to another agent beeing blocked)

---
 src/ivyxtloop.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/ivyxtloop.c')

diff --git a/src/ivyxtloop.c b/src/ivyxtloop.c
index 6613307..fc5b0ae 100644
--- a/src/ivyxtloop.c
+++ b/src/ivyxtloop.c
@@ -45,10 +45,14 @@
 
 struct _channel {
 	XtInputId id_read;
+	XtInputId id_write;
 	XtInputId id_delete;
+
+	HANDLE fd;
 	void *data;
 	ChannelHandleDelete handle_delete;
 	ChannelHandleRead handle_read;
+	ChannelHandleWrite handle_write;
 	};
 
 
@@ -93,6 +97,13 @@ static void IvyXtHandleChannelRead( XtPointer closure, int* source, XtInputId* i
 	(*channel->handle_read)(channel,*source,channel->data);
 }
 
+static void IvyXtHandleChannelWrite( XtPointer closure, int* source, XtInputId* id )
+{
+	Channel channel = (Channel)closure;
+	TRACE("Handle Channel write %d\n",*source );
+	(*channel->handle_write)(channel,*source,channel->data);
+}
+
 static void IvyXtHandleChannelDelete( XtPointer closure, int* source, XtInputId* id )
 {
 	Channel channel = (Channel)closure;
@@ -108,7 +119,8 @@ void IvyXtChannelAppContext( XtAppContext cntx )
 
 Channel IvyChannelAdd(HANDLE fd, void *data,
 				ChannelHandleDelete handle_delete,
-				ChannelHandleRead handle_read
+				ChannelHandleRead handle_read,
+		                ChannelHandleWrite handle_write
 				)						
 {
 	Channel channel;
@@ -122,7 +134,9 @@ Channel IvyChannelAdd(HANDLE fd, void *data,
 
 	channel->handle_delete = handle_delete;
 	channel->handle_read = handle_read;
+	channel->handle_write = handle_write;
 	channel->data = data;
+	channel->fd = fd;
 
 	channel->id_read = XtAppAddInput( app, fd, (XtPointer)XtInputReadMask, IvyXtHandleChannelRead, channel);
 	channel->id_delete = XtAppAddInput( app, fd, (XtPointer)XtInputExceptMask, IvyXtHandleChannelDelete, channel);
@@ -131,6 +145,17 @@ Channel IvyChannelAdd(HANDLE fd, void *data,
 }
 
 
+void IvyChannelAddWritableEvent(Channel channel)
+{
+  channel->id_write = XtAppAddInput( app,  channel->fd, (XtPointer)XtInputWriteMask, IvyXtHandleChannelWrite, channel);
+}
+
+void IvyChannelClearWritableEvent(Channel channel)
+{
+  XtRemoveInput( channel->id_write );
+}
+
+
 void
 IvyChannelStop ()
 {
-- 
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