-/* xscreensaver, Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
+/* xscreensaver, Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998, 2001
* by Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
return image;
}
+
+void
+destroy_xshm_image (Display *dpy, XImage *image, XShmSegmentInfo *shm_info)
+{
+ Status status;
+
+ CATCH_X_ERROR(dpy);
+ status = XShmDetach (dpy, shm_info);
+ UNCATCH_X_ERROR(dpy);
+ if (shm_got_x_error)
+ status = False;
+ if (!status)
+ fprintf (stderr, "%s: XShmDetach failed!\n", progname);
+#ifdef DEBUG
+ else
+ fprintf (stderr, "%s: XShmDetach(dpy, shm_info) ==> True\n", progname);
+#endif
+
+ XDestroyImage (image);
+ XSync(dpy, False);
+
+ status = shmdt (shm_info->shmaddr);
+
+ if (status != 0)
+ {
+ char buf[1024];
+ sprintf (buf, "%s: shmdt(0x%x) failed", progname, shm_info->shmaddr);
+ perror(buf);
+ }
+#ifdef DEBUG
+ else
+ fprintf (stderr, "%s: shmdt(shm_info->shmaddr) ==> 0\n", progname);
+#endif
+
+ XSync(dpy, False);
+}
+
+
#endif /* HAVE_XSHM_EXTENSION */