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/*
* Copyright © 2008 Novell, Inc.
*
* 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
* Novell, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* Novell, Inc. makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL NOVELL, INC. 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.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifndef DMXSHM_H
#define DMXSHM_H
#ifdef MITSHM
#include <X11/extensions/XShm.h>
#include <xcb/shm.h>
typedef struct _dmxShmSegInfo {
struct _dmxShmSegInfo *next;
uint32_t shmid;
int refcnt;
uint8_t readOnly;
uint32_t pendingEvents;
xcb_shm_seg_t shmseg[MAXSCREENS];
xcb_void_cookie_t cookie[MAXSCREENS];
} dmxShmSegInfoRec, *dmxShmSegInfoPtr;
extern unsigned long DMX_SHMSEG;
extern void ShmRegisterDmxFuncs (ScreenPtr pScreen);
extern void dmxBEAttachShmSeg (DMXScreenInfo *dmxScreen,
dmxShmSegInfoPtr pShmInfo);
extern void dmxBEDetachShmSeg (DMXScreenInfo *dmxScreen,
dmxShmSegInfoPtr pShmInfo);
extern Bool dmxScreenEventCheckShm (ScreenPtr pScreen,
xcb_generic_event_t *event);
extern Bool dmxShmInit (ScreenPtr pScreen);
extern void dmxInitShm (void);
extern void dmxResetShm (void);
#endif
#endif /* DMXSHM_H */
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