GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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flush.c
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1/**
2 * \file flush.c
3 *
4 * \brief Segment flush routines.
5 *
6 * This program is free software under the GNU General Public License
7 * (>=v2). Read the file COPYING that comes with GRASS for details.
8 *
9 * \author GRASS GIS Development Team
10 *
11 * \date 2005-2009
12 */
13
14#include "local_proto.h"
15
16/**
17 * \fn int Segment_flush (SEGMENT *SEG)
18 *
19 * \brief Flush pending updates to disk.
20 *
21 * Forces all pending updates generated by <i>Segment_put()</i> to be
22 * written to the segment file <b>seg</b>. Must be called after the
23 * final <i>Segment_put()</i> to force all pending updates to disk. Must
24 * also be called before the first call to <i>Segment_get_row</i>.
25 *
26 * \param[in] SEG segment
27 * \return always returns 0
28 */
29
30int Segment_flush(SEGMENT *SEG)
31{
32 int i;
33
34 if (SEG->scb) {
35 for (i = 0; i < SEG->nseg; i++)
36 if (SEG->scb[i].n >= 0 && SEG->scb[i].dirty)
37 seg_pageout(SEG, i);
38 }
39
40 return 0;
41}
int Segment_flush(SEGMENT *SEG)
Flush pending updates to disk.
Definition flush.c:30
int seg_pageout(SEGMENT *SEG, int i)
Internal use only.
Definition pageout.c:35