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62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* Copyright © 2008 Novell, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Novell, Inc. not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* Novell, Inc. makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* NOVELL, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL NOVELL, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: David Reveman <davidr@novell.com>
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*/
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#ifndef DMXSHM_H
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#define DMXSHM_H
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#ifdef MITSHM
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#include <X11/extensions/XShm.h>
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#include <xcb/shm.h>
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typedef struct _dmxShmSegInfo {
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struct _dmxShmSegInfo *next;
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uint32_t shmid;
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int refcnt;
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uint8_t readOnly;
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uint32_t pendingEvents;
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xcb_shm_seg_t shmseg[MAXSCREENS];
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xcb_void_cookie_t cookie[MAXSCREENS];
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} dmxShmSegInfoRec, *dmxShmSegInfoPtr;
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extern unsigned long DMX_SHMSEG;
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extern void ShmRegisterDmxFuncs (ScreenPtr pScreen);
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extern void dmxBEAttachShmSeg (DMXScreenInfo *dmxScreen,
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dmxShmSegInfoPtr pShmInfo);
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extern void dmxBEDetachShmSeg (DMXScreenInfo *dmxScreen,
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dmxShmSegInfoPtr pShmInfo);
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extern Bool dmxScreenEventCheckShm (ScreenPtr pScreen,
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xcb_generic_event_t *event);
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extern void dmxBEShmScreenInit (ScreenPtr pScreen);
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extern void dmxInitShm (void);
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extern void dmxResetShm (void);
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#endif
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#endif /* DMXSHM_H */
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