pageout.c

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#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <grass/segment.h>


int segment_pageout(SEGMENT * SEG, int i)
{
    segment_seek(SEG, SEG->scb[i].n, 0);
    if (write(SEG->fd, SEG->scb[i].buf, SEG->size) != SEG->size) {
        G_warning("segment_pageout: %s", strerror(errno));
        return -1;
    }
    SEG->scb[i].dirty = 0;

    return 1;
}