#include <db_cxx.h> int DbEnv::get_mp_max_openfd(int *maxopenfdp);
Returns the maximum number of file descriptors the library will open concurrently when flushing dirty pages from the cache. This value is set by the DbEnv::set_mp_max_openfd() method.
The DbEnv::get_mp_max_openfd()
method may be called at any time
during the life of the application.
The DbEnv::get_mp_max_openfd()
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.