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Viewing changes to WINGs/usleep.c

  • Committer: Bazaar Package Importer
  • Author(s): Marcelo E. Magallon
  • Date: 2004-11-10 14:05:30 UTC
  • Revision ID: james.westby@ubuntu.com-20041110140530-qpd66b5lm38x7apk
Tags: upstream-0.91.0
Import upstream version 0.91.0

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WINGs/usleep.c
 
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#include "../src/config.h"
 
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#ifdef HAVE_SYS_TIME_H
 
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# include <sys/time.h>
 
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#endif
 
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#ifdef HAVE_SYS_TYPES_H
 
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# include <sys/types.h>
 
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#endif
 
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#include <unistd.h>
 
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#include <string.h>
 
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#if defined(HAVE_SELECT)
 
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#ifdef HAVE_SYS_SELECT_H
 
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# include <sys/select.h>
 
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#endif
 
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void
 
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wusleep(unsigned int microsecs)
 
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{
 
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    struct timeval tv;
 
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    fd_set rd, wr, ex;
 
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    FD_ZERO(&rd);
 
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    FD_ZERO(&wr);
 
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    FD_ZERO(&ex);
 
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    tv.tv_sec = microsecs / 1000000u;
 
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    tv.tv_usec = microsecs % 1000000u;
 
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    select(1, &rd, &wr, &ex, &tv);
 
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}
 
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#else /* not HAVE_SELECT */
 
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# ifdef HAVE_POLL
 
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void
 
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wusleep(unsigned int microsecs)
 
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{
 
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    poll((struct poll *) 0, (size_t) 0, microsecs/1000);
 
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}
 
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# else /* ! HAVE_POLL */
 
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oops!
 
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# endif /* !HAVE_POLL */
 
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#endif /* !HAVE_SELECT */