685     DRIPixmapBufferPtr shared;  in DRICreatePixmap()  local
693     shared = malloc(sizeof(*shared));  in DRICreatePixmap()
694     if (NULL == shared) {  in DRICreatePixmap()
698     shared->pDrawable = pDrawable;  in DRICreatePixmap()
699     shared->refCount = 1;  in DRICreatePixmap()
702         shared->bytesPerPixel = 4;  in DRICreatePixmap()
705         shared->bytesPerPixel = 2;  in DRICreatePixmap()
708     shared->width = pDrawable->width;  in DRICreatePixmap()
709     shared->height = pDrawable->height;  in DRICreatePixmap()
711     if (-1 == snprintf(shared->shmPath, sizeof(shared->shmPath),  in DRICreatePixmap()
717     shared->fd = shm_open(shared->shmPath,  in DRICreatePixmap()
721     if (-1 == shared->fd) {  in DRICreatePixmap()
722         free(shared);  in DRICreatePixmap()
726     shared->length = shared->width * shared->height * shared->bytesPerPixel;  in DRICreatePixmap()
728     if (-1 == ftruncate(shared->fd, shared->length)) {  in DRICreatePixmap()
730         shm_unlink(shared->shmPath);  in DRICreatePixmap()
731         close(shared->fd);  in DRICreatePixmap()
732         free(shared);  in DRICreatePixmap()
736     shared->buffer = mmap(NULL, shared->length,  in DRICreatePixmap()
738                           MAP_FILE | MAP_SHARED, shared->fd, 0);  in DRICreatePixmap()
740     if (MAP_FAILED == shared->buffer) {  in DRICreatePixmap()
742         shm_unlink(shared->shmPath);  in DRICreatePixmap()
743         close(shared->fd);  in DRICreatePixmap()
744         free(shared);  in DRICreatePixmap()
748     strlcpy(path, shared->shmPath, pathmax);  in DRICreatePixmap()
750     dixSetPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey, shared);  in DRICreatePixmap()
762     DRIPixmapBufferPtr shared;  in DRIGetPixmapData()  local
769     shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey);  in DRIGetPixmapData()
771     if (NULL == shared)  in DRIGetPixmapData()
774     assert(pDrawable->width == shared->width);  in DRIGetPixmapData()
775     assert(pDrawable->height == shared->height);  in DRIGetPixmapData()
777     *width = shared->width;  in DRIGetPixmapData()
778     *height = shared->height;  in DRIGetPixmapData()
779     *bpp = shared->bytesPerPixel;  in DRIGetPixmapData()
780     *pitch = shared->width * shared->bytesPerPixel;  in DRIGetPixmapData()
781     *ptr = shared->buffer;  in DRIGetPixmapData()
789     DRIPixmapBufferPtr shared;  in DRIFreePixmapImp()  local
797     shared = dixLookupPrivate(&pPix->devPrivates, DRIPixmapBufferPrivKey);  in DRIFreePixmapImp()
799     if (NULL == shared)  in DRIFreePixmapImp()
802     close(shared->fd);  in DRIFreePixmapImp()
803     munmap(shared->buffer, shared->length);  in DRIFreePixmapImp()
804     shm_unlink(shared->shmPath);  in DRIFreePixmapImp()
805     free(shared);  in DRIFreePixmapImp()