xshmfence.h revision ed6f5d66 
1/*
2 * Copyright © 2013 Keith Packard
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission.  The copyright holders make no representations
11 * about the suitability of this software for any purpose.  It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23#ifndef _XSHMFENCE_H_
24#define _XSHMFENCE_H_
25
26#include <X11/Xfuncproto.h>
27
28#define HAVE_STRUCT_XSHMFENCE   1
29
30struct xshmfence;
31
32_X_EXPORT int
33xshmfence_trigger(struct xshmfence *f);
34
35_X_EXPORT int
36xshmfence_await(struct xshmfence *f);
37
38_X_EXPORT int
39xshmfence_query(struct xshmfence *f);
40
41_X_EXPORT void
42xshmfence_reset(struct xshmfence *f);
43
44_X_EXPORT int
45xshmfence_alloc_shm(void);
46
47_X_EXPORT struct xshmfence *
48xshmfence_map_shm(int fd);
49
50_X_EXPORT void
51xshmfence_unmap_shm(struct xshmfence *f);
52
53#endif /* _XSHMFENCE_H_ */
54