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 array element: conflicts[requested_mode][held_mode] indicates that requested_mode and held_mode conflict. The not-granted mode must be represented by 0. If no conflicts value is specified, the conflicts array db_rw_conflicts is used; see Standard Lock Modes for a description of that array. 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 a non-zero error value on failure, and returns 0 on success. Errors EINVAL An invalid flag value or parameter was specified. Called after DbEnv::open was called. ENOMEM No memory was available to copy the conflicts array. Classes DbEnv, DbLock See Also DbEnv::set_lk_conflicts, DbEnv::set_lk_detect, DbEnv::set_lk_max_locks, DbEnv::set_lk_max_lockers, DbEnv::set_lk_max_objects, DbEnv::set_lk_max, DbEnv::lock_detect, DbEnv::lock_get, DbEnv::lock_id, DbLock::put, DbEnv::lock_stat and DbEnv::lock_vec.