June 2001
Intermediate to advanced
688 pages
19h 18m
English
#include <db.h> int txn_stat(DB_ENV *env, DB_TXN_STAT **statp, void *(*db_malloc)(size_t));
The txn_stat function creates a statistical structure and copies a pointer to it into a user-specified memory location.
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 memory. To deallocate returned memory, free the returned memory reference, references inside the returned memory do not need to be individually freed.
The transaction region statistics ...