http://ftp.aanet.ru/pub/Linux/X11/apps/xscreensaver-2.31.tar.gz

[xscreensaver] / utils / xshm.h

diff --git a/utils/xshm.h b/utils/xshm.h
new file mode 100644 (file)
index 0000000..54e492e
--- /dev/null
+++ b/utils/xshm.h
@@ -0,0 +1,35 @@
+/* xscreensaver, Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
+ *  by Jamie Zawinski <jwz@jwz.org>
+ *
+ * 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.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+/* The MIT-SHM (Shared Memory) extension is pretty tricky to use.
+   This file contains the common boiler-plate for creating a shared
+   XImage structure, and for making sure that the shared memory segments
+   get allocated and shut down cleanly.
+ */
+
+#ifndef __XSCREENSAVER_XSHM_H__
+
+#ifdef HAVE_XSHM_EXTENSION
+
+# include <sys/ipc.h>
+# include <sys/shm.h>
+# include <X11/extensions/XShm.h>
+
+extern XImage *create_xshm_image (Display *dpy, Visual *visual,
+                                 unsigned int depth,
+                                 int format, char *data,
+                                 XShmSegmentInfo *shm_info,
+                                 unsigned int width, unsigned int height);
+
+#endif /* HAVE_XSHM_EXTENSION */
+
+#endif /* __XSCREENSAVER_XSHM_H__ */