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Viewing changes to dttools/src/timestamp.c

  • Committer: Bazaar Package Importer
  • Author(s): Michael Hanke
  • Date: 2011-05-07 09:05:00 UTC
  • Revision ID: james.westby@ubuntu.com-20110507090500-lqpmdtwndor6e7os
Tags: upstream-3.3.2
Import upstream version 3.3.2

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dttools/src/timestamp.c
 
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/*
 
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Copyright (C) 2003-2004 Douglas Thain and the University of Wisconsin
 
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Copyright (C) 2005- The University of Notre Dame
 
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This software is distributed under the GNU General Public License.
 
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See the file COPYING for details.
 
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*/
 
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#include "timestamp.h"
 
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#include <sys/time.h>
 
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#include <sys/select.h>
 
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#include <sys/stat.h>
 
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time_t timestamp_file( const char *filename )
 
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{
 
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        struct stat buf;
 
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        if(stat(filename,&buf)==0) {
 
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                return buf.st_mtime;
 
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        } else {
 
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                return 0;
 
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        }
 
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}
 
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timestamp_t timestamp_get()
 
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{
 
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        struct timeval current;
 
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        timestamp_t stamp;
 
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        gettimeofday(&current,0);
 
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        stamp = ((timestamp_t)current.tv_sec)*1000000 + current.tv_usec;
 
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        return stamp;
 
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}
 
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void timestamp_sleep( timestamp_t interval )
 
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{
 
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        struct timeval t;
 
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        t.tv_sec = interval / 1000000;
 
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        t.tv_usec = interval % 1000000;
 
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        select(0,0,0,0,&t);
 
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}