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