#include <db.h>
int
DB_MPOOLFILE->put(DB_MPOOLFILE *mpf,
void *pgaddr, DB_CACHE_PRIORITY priority, u_int32_t flags);
The DB_MPOOLFILE->put() method returns a reference to a page in the
cache, setting the priority of the page as specified by the priority parameter.
The DB_MPOOLFILE->put()
method returns a non-zero error value on failure and 0 on success.
The pgaddr parameter is the address of the page to be returned to the cache. The pgaddr parameter must be a value previously returned by the DB_MPOOLFILE->get() method.
Set the page's priority as follows:
The priority is unchanged.
DB_PRIORITY_VERY_LOW
The lowest priority: pages are the most likely to be discarded.
DB_PRIORITY_LOW
The next lowest priority.
DB_PRIORITY_DEFAULT
The default priority.
DB_PRIORITY_HIGH
The next highest priority.
DB_PRIORITY_VERY_HIGH
The highest priority: pages are the least likely to be discarded.
The DB_MPOOLFILE->put()
method may fail and return one of the following non-zero errors: