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/**
* \file flush.c
*
* \brief Segment flush routines.
*
* This program is free software under the GNU General Public License
* (>=v2). Read the file COPYING that comes with GRASS for details.
*
* \author GRASS GIS Development Team
*
* \date 2005-2009
*/
#include "local_proto.h"
/**
* \fn int Segment_flush (SEGMENT *SEG)
*
* \brief Flush pending updates to disk.
*
* Forces all pending updates generated by <i>Segment_put()</i> to be
* written to the segment file <b>seg</b>. Must be called after the
* final <i>Segment_put()</i> to force all pending updates to disk. Must
* also be called before the first call to <i>Segment_get_row</i>.
*
* \param[in] SEG segment
* \return always returns 0
*/
int Segment_flush(SEGMENT *SEG)
{
int i;
if (SEG->scb) {
for (i = 0; i < SEG->nseg; i++)
if (SEG->scb[i].n >= 0 && SEG->scb[i].dirty)
seg_pageout(SEG, i);
}
return 0;
}
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