#include <db_cxx.h> int DbEnv::memp_trickle(int percent, int *nwrotep);
The DbEnv::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 DbEnv::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 DbEnv::memp_trickle()
method either returns a non-zero error value or throws an
exception that encapsulates a non-zero error value on
failure, and returns 0 on success.
The nwrotep parameter references memory into which the number of pages written to reach the specified percentage is copied.
The DbEnv::memp_trickle()
method may fail and throw a DbException
exception, encapsulating one of the following non-zero errors, or return one
of the following non-zero errors:
following non-zero errors: