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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20 a1c6a512-1295-4272-9138-f99709370657
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Daniel Stenberg 2002-03-26 13:39:53 +00:00
parent a0b47e16eb
commit 50e2329458
1 changed files with 0 additions and 58 deletions
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58
uisimulator/usleep.c
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/* xscreensaver, Copyright (c) 1992, 1996, 1997
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#else /* !HAVE_CONFIG_H */
# ifndef NO_SELECT
# define HAVE_SELECT
# endif
#endif /* !HAVE_CONFIG_H */
#ifdef __STDC__
# include <stdlib.h>
#endif
#if defined(VMS)
# include <descrip.h>
# include <stdio.h>
# include <lib$routines.h>
#elif defined(HAVE_SELECT)
# include <sys/time.h> /* for struct timeval */
#endif
#ifdef __SCREENHACK_USLEEP_H__
ERROR, do not include that here
#endif
void
screenhack_usleep (unsigned long usecs)
{
# if defined(VMS)
float seconds = ((float) usecs)/1000000.0;
unsigned long int statvms = lib$wait(&seconds);
#elif defined(HAVE_SELECT)
/* usleep() doesn't exist everywhere, and select() is faster anyway. */
struct timeval tv;
tv.tv_sec = usecs / 1000000L;
tv.tv_usec = usecs % 1000000L;
(void) select (0, 0, 0, 0, &tv);
#else /* !VMS && !HAVE_SELECT */
/* If you don't have select() or usleep(), I guess you lose...
Maybe you have napms() instead? Let me know. */
usleep (usecs);
#endif /* !VMS && !HAVE_SELECT */
}