R6.6 is the Xorg base-lineXORG-MAINXORG-STABLE

1 files changed, 203 insertions, 0 deletions

diff --git a/src/watch.c b/src/watch.c
new file mode 100644
index 0000000..6c33192
--- /dev/null
+++ b/src/watch.c
@@ -0,0 +1,203 @@
+/* $Xorg: watch.c,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */
+/******************************************************************************
+
+
+Copyright 1993, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Author: Ralph Mor, X Consortium
+******************************************************************************/
+
+#include <X11/ICE/ICElib.h>
+#include "ICElibint.h"
+
+
+Status
+IceAddConnectionWatch (watchProc, clientData)
+
+IceWatchProc	watchProc;
+IcePointer	clientData;
+
+{
+    /*
+     * watchProc will be called each time an ICE connection is
+     * created/destroyed by ICElib.
+     */
+
+    _IceWatchProc	*ptr = _IceWatchProcs;
+    _IceWatchProc	*newWatchProc;
+    int			i;
+
+    if ((newWatchProc = (_IceWatchProc *) malloc (
+	sizeof (_IceWatchProc))) == NULL)
+    {
+	return (0);
+    }
+
+    newWatchProc->watch_proc = watchProc;
+    newWatchProc->client_data = clientData;
+    newWatchProc->watched_connections = NULL;
+    newWatchProc->next = NULL;
+
+    while (ptr && ptr->next)
+	ptr = ptr->next;
+
+    if (ptr == NULL)
+	_IceWatchProcs = newWatchProc;
+    else
+	ptr->next = newWatchProc;
+
+
+    /*
+     * Invoke the watch proc with any previously opened ICE connections.
+     */
+     
+    for (i = 0; i < _IceConnectionCount; i++)
+    {
+	_IceWatchedConnection *newWatchedConn = (_IceWatchedConnection *)
+	    malloc (sizeof (_IceWatchedConnection));
+
+	newWatchedConn->iceConn = _IceConnectionObjs[i];
+	newWatchedConn->next = NULL;
+
+	newWatchProc->watched_connections = newWatchedConn;
+
+	(*newWatchProc->watch_proc) (_IceConnectionObjs[i],
+	    newWatchProc->client_data, True, &newWatchedConn->watch_data);
+    }
+
+    return (1);
+}
+
+
+
+void
+IceRemoveConnectionWatch (watchProc, clientData)
+
+IceWatchProc	watchProc;
+IcePointer	clientData;
+
+{
+    _IceWatchProc	*currWatchProc = _IceWatchProcs;
+    _IceWatchProc	*prevWatchProc = NULL;
+
+    while (currWatchProc && (currWatchProc->watch_proc != watchProc ||
+        currWatchProc->client_data != clientData))
+    {
+	prevWatchProc = currWatchProc;
+	currWatchProc = currWatchProc->next;
+    }
+
+    if (currWatchProc)
+    {
+	_IceWatchProc		*nextWatchProc = currWatchProc->next;
+	_IceWatchedConnection 	*watchedConn;
+
+	watchedConn = currWatchProc->watched_connections;
+	while (watchedConn)
+	{
+	    _IceWatchedConnection *nextWatchedConn = watchedConn->next;
+	    free ((char *) watchedConn);
+	    watchedConn = nextWatchedConn;
+	}
+
+	if (prevWatchProc == NULL)
+	    _IceWatchProcs = nextWatchProc;
+	else
+	    prevWatchProc->next = nextWatchProc;
+
+	free ((char *) currWatchProc);
+    }
+}
+
+
+
+void
+_IceConnectionOpened (iceConn)
+
+IceConn	iceConn;
+
+{
+    _IceWatchProc *watchProc = _IceWatchProcs;
+
+    while (watchProc)
+    {
+	_IceWatchedConnection *newWatchedConn = (_IceWatchedConnection *)
+	    malloc (sizeof (_IceWatchedConnection));
+	_IceWatchedConnection *watchedConn;
+
+	watchedConn = watchProc->watched_connections;
+	while (watchedConn && watchedConn->next)
+	    watchedConn = watchedConn->next;
+
+	newWatchedConn->iceConn = iceConn;
+	newWatchedConn->next = NULL;
+
+	if (watchedConn == NULL)
+	    watchProc->watched_connections = newWatchedConn;
+	else
+	    watchedConn->next = newWatchedConn;
+
+	(*watchProc->watch_proc) (iceConn,
+	    watchProc->client_data, True, &newWatchedConn->watch_data);
+
+	watchProc = watchProc->next;
+    }
+}
+
+
+
+void
+_IceConnectionClosed (iceConn)
+
+IceConn	iceConn;
+
+{
+    _IceWatchProc *watchProc = _IceWatchProcs;
+
+    while (watchProc)
+    {
+	_IceWatchedConnection *watchedConn = watchProc->watched_connections;
+	_IceWatchedConnection *prev = NULL;
+
+	while (watchedConn && watchedConn->iceConn != iceConn)
+	{
+	    prev = watchedConn;
+	    watchedConn = watchedConn->next;
+	}
+
+	if (watchedConn)
+	{
+	    (*watchProc->watch_proc) (iceConn,
+	        watchProc->client_data, False, &watchedConn->watch_data);
+
+	    if (prev == NULL)
+		watchProc->watched_connections = watchedConn->next;
+	    else
+		prev->next = watchedConn->next;
+
+	    free ((char *) watchedConn);
+	}
+
+	watchProc = watchProc->next;
+    }
+}