### DB_MPOOLFILE->sync

`

###

    #include <db.h>

    int
    DB_MPOOLFILE->sync(DB_MPOOLFILE *mpf);

### Description: DB_MPOOLFILE->sync

The DB_MPOOLFILE->sync method writes all pages associated with the DB_MPOOLFILE, which were marked as modified using DB_MPOOLFILE->put or DB_MPOOLFILE->set, back to the source file. If any of the modified pages are pinned (that is, currently in use), DB_MPOOLFILE->sync will ignore them.

The DB_MPOOLFILE->sync method returns a non-zero error value on failure and 0 on success.

### Class

DB_ENV, DB_MPOOLFILE

### See Also

Memory Pools and Related Methods`

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