Berkeley DB

DbEnv::set_lk_conflicts

						#include <db_cxx.h>
						int
						DbEnv::set_lk_conflicts(u_int8_t *conflicts, int nmodes);
					

Description

Set the locking conflicts matrix. The conflicts argument is an nmodes by nmodes array. A non-0 value for the following array element indicates that requested_mode and held_mode conflict:

conflicts[requested_mode][held_mode] 

The not-granted mode must be represented by 0.

If DbEnv::set_lk_conflicts is never called, a standard conflicts array is used; see “Standard Lock Modes” for more information.

The DbEnv::set_lk_conflicts interface may only be used to configure Berkeley DB before the DbEnv::open interface is called.

The DbEnv::set_lk_conflicts method either returns a non-zero error value or throws an exception that encapsulates ...