June 2001
Intermediate to advanced
688 pages
19h 18m
English
#include <db.h> int memp_stat(DB_ENV *env, DB_MPOOL_STAT **gsp, DB_MPOOL_FSTAT *(*fsp)[], void *(*db_malloc)(size_t));
The memp_stat function method creates statistical structures and copies pointers to them into user-specified memory locations. The statistics include the number of files participating in the pool, the active pages in the pool, and information about how effective the cache has been.
Statistical structures are created in allocated memory. If db_malloc is non-NULL, it is called to allocate the memory; otherwise, the library function malloc(3) is used. The function db_malloc must match the calling conventions of the malloc(3) library routine. Regardless, the caller is responsible for deallocating the returned ...