162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/* $Xorg: replywait.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
|
||
******************************************************************************/
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
#include <config.h>
|
||
#endif
|
||
#include <X11/ICE/ICElib.h>
|
||
#include "ICElibint.h"
|
||
|
||
|
||
void
|
||
_IceAddReplyWait (iceConn, replyWait)
|
||
|
||
IceConn iceConn;
|
||
IceReplyWaitInfo *replyWait;
|
||
|
||
{
|
||
/*
|
||
* Add this replyWait to the end of the list (only if the
|
||
* replyWait is not already in the list).
|
||
*/
|
||
|
||
_IceSavedReplyWait *savedReplyWait;
|
||
_IceSavedReplyWait *prev, *last;
|
||
|
||
prev = NULL;
|
||
last = iceConn->saved_reply_waits;
|
||
|
||
while (last)
|
||
{
|
||
if (last->reply_wait == replyWait)
|
||
return;
|
||
|
||
prev = last;
|
||
last = last->next;
|
||
}
|
||
|
||
savedReplyWait = (_IceSavedReplyWait *) malloc (
|
||
sizeof (_IceSavedReplyWait));
|
||
|
||
savedReplyWait->reply_wait = replyWait;
|
||
savedReplyWait->reply_ready = False;
|
||
savedReplyWait->next = NULL;
|
||
|
||
if (prev == NULL)
|
||
iceConn->saved_reply_waits = savedReplyWait;
|
||
else
|
||
prev->next = savedReplyWait;
|
||
}
|
||
|
||
|
||
|
||
IceReplyWaitInfo *
|
||
_IceSearchReplyWaits (iceConn, majorOpcode)
|
||
|
||
IceConn iceConn;
|
||
int majorOpcode;
|
||
|
||
{
|
||
/*
|
||
* Return the first replyWait in the list with the given majorOpcode
|
||
*/
|
||
|
||
_IceSavedReplyWait *savedReplyWait = iceConn->saved_reply_waits;
|
||
|
||
while (savedReplyWait && !savedReplyWait->reply_ready &&
|
||
savedReplyWait->reply_wait->major_opcode_of_request != majorOpcode)
|
||
{
|
||
savedReplyWait = savedReplyWait->next;
|
||
}
|
||
|
||
return (savedReplyWait ? savedReplyWait->reply_wait : NULL);
|
||
}
|
||
|
||
|
||
|
||
void
|
||
_IceSetReplyReady (iceConn, replyWait)
|
||
|
||
IceConn iceConn;
|
||
IceReplyWaitInfo *replyWait;
|
||
|
||
{
|
||
/*
|
||
* The replyWait specified has a reply ready.
|
||
*/
|
||
|
||
_IceSavedReplyWait *savedReplyWait = iceConn->saved_reply_waits;
|
||
|
||
while (savedReplyWait && savedReplyWait->reply_wait != replyWait)
|
||
savedReplyWait = savedReplyWait->next;
|
||
|
||
if (savedReplyWait)
|
||
savedReplyWait->reply_ready = True;
|
||
}
|
||
|
||
|
||
|
||
Bool
|
||
_IceCheckReplyReady (iceConn, replyWait)
|
||
|
||
IceConn iceConn;
|
||
IceReplyWaitInfo *replyWait;
|
||
|
||
{
|
||
_IceSavedReplyWait *savedReplyWait = iceConn->saved_reply_waits;
|
||
_IceSavedReplyWait *prev = NULL;
|
||
Bool found = False;
|
||
Bool ready;
|
||
|
||
while (savedReplyWait && !found)
|
||
{
|
||
if (savedReplyWait->reply_wait == replyWait)
|
||
found = True;
|
||
else
|
||
{
|
||
prev = savedReplyWait;
|
||
savedReplyWait = savedReplyWait->next;
|
||
}
|
||
}
|
||
|
||
ready = found && savedReplyWait->reply_ready;
|
||
|
||
if (ready)
|
||
{
|
||
if (prev == NULL)
|
||
iceConn->saved_reply_waits = savedReplyWait->next;
|
||
else
|
||
prev->next = savedReplyWait->next;
|
||
|
||
free ((char *) savedReplyWait);
|
||
}
|
||
|
||
return (ready);
|
||
}
|