IABSD.fr/xenocara/lib/libICE/src/watch.c

Branch : - branch - master - tag -

• Show log

  Commit

• Author : matthieu
  Date : 2012-03-04 18:57:08
  Hash : 5995f362
  Message : Update to libICE 1.0.8

• lib/libICE/src/watch.c

• /******************************************************************************
  
  
  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
  ******************************************************************************/
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  #include <X11/ICE/ICElib.h>
  #include "ICElibint.h"
  
  
  Status
  IceAddConnectionWatch (
  	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 (
  	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
  )
  {
      _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
  )
  {
      _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;
      }
  }