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sync code with last improvements from OpenBSD

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purplerain 2023-08-28 05:57:34 +00:00
commit 88965415ff
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
26235 changed files with 29195616 additions and 0 deletions
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110
xserver/present/present_notify.c Normal file
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/*
* Copyright © 2013 Keith Packard
*
* 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, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "present_priv.h"
/*
* Mark all pending notifies for 'window' as invalid when
* the window is destroyed
*/
void
present_clear_window_notifies(WindowPtr window)
{
present_notify_ptr notify;
present_window_priv_ptr window_priv = present_window_priv(window);
if (!window_priv)
return;
xorg_list_for_each_entry(notify, &window_priv->notifies, window_list) {
notify->window = NULL;
}
}
/*
* 'notify' is being freed; remove it from the window's notify list
*/
void
present_free_window_notify(present_notify_ptr notify)
{
xorg_list_del(&notify->window_list);
}
/*
* 'notify' is new; add it to the specified window
*/
int
present_add_window_notify(present_notify_ptr notify)
{
WindowPtr window = notify->window;
present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE);
if (!window_priv)
return BadAlloc;
xorg_list_add(&notify->window_list, &window_priv->notifies);
return Success;
}
int
present_create_notifies(ClientPtr client, int num_notifies, xPresentNotify *x_notifies, present_notify_ptr *p_notifies)
{
present_notify_ptr notifies;
int i;
int added = 0;
int status;
notifies = calloc (num_notifies, sizeof (present_notify_rec));
if (!notifies)
return BadAlloc;
for (i = 0; i < num_notifies; i++) {
status = dixLookupWindow(&notifies[i].window, x_notifies[i].window, client, DixGetAttrAccess);
if (status != Success)
goto bail;
notifies[i].serial = x_notifies[i].serial;
status = present_add_window_notify(&notifies[i]);
if (status != Success)
goto bail;
added = i;
}
return Success;
bail:
present_destroy_notifies(notifies, added);
return status;
}
void
present_destroy_notifies(present_notify_ptr notifies, int num_notifies)
{
int i;
for (i = 0; i < num_notifies; i++)
present_free_window_notify(&notifies[i]);
free(notifies);
}