not used
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20 a1c6a512-1295-4272-9138-f99709370657
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/* xscreensaver, Copyright (c) 1992, 1996, 1997
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* Jamie Zawinski <jwz@jwz.org>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation. No representations are made 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#else /* !HAVE_CONFIG_H */
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# ifndef NO_SELECT
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# define HAVE_SELECT
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# endif
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#endif /* !HAVE_CONFIG_H */
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#ifdef __STDC__
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# include <stdlib.h>
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#endif
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#if defined(VMS)
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# include <descrip.h>
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# include <stdio.h>
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# include <lib$routines.h>
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#elif defined(HAVE_SELECT)
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# include <sys/time.h> /* for struct timeval */
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#endif
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#ifdef __SCREENHACK_USLEEP_H__
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ERROR, do not include that here
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#endif
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void
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screenhack_usleep (unsigned long usecs)
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{
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# if defined(VMS)
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float seconds = ((float) usecs)/1000000.0;
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unsigned long int statvms = lib$wait(&seconds);
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#elif defined(HAVE_SELECT)
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/* usleep() doesn't exist everywhere, and select() is faster anyway. */
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struct timeval tv;
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tv.tv_sec = usecs / 1000000L;
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tv.tv_usec = usecs % 1000000L;
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(void) select (0, 0, 0, 0, &tv);
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#else /* !VMS && !HAVE_SELECT */
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/* If you don't have select() or usleep(), I guess you lose...
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Maybe you have napms() instead? Let me know. */
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usleep (usecs);
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#endif /* !VMS && !HAVE_SELECT */
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}
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