#include <db.h> int DB_ENV->memp_trickle(DB_ENV *env, int percent, int *nwrotep);
The DB_ENV->memp_trickle() method ensures that a specified percent of
the pages in the cache are clean, by writing dirty pages
to their backing files.
The purpose of the DB_ENV->memp_trickle() function is to enable a
memory pool manager to ensure that a page is always available for
reading in new information without having to wait for a write.
The DB_ENV->memp_trickle()
method returns a non-zero error value on failure and 0 on success.
The DB_ENV->memp_trickle()
method may fail and return one of the following non-zero errors:
following non-zero errors: