#include "db_config.h"
#include "db_int.h"
#include "dbinc/log.h"
#include "dbinc/mp.h"
int
__memp_register_pp(dbenv, ftype, pgin, pgout)
DB_ENV *dbenv;
int ftype;
int (*pgin) __P((DB_ENV *, db_pgno_t, void *, DBT *));
int (*pgout) __P((DB_ENV *, db_pgno_t, void *, DBT *));
{
DB_THREAD_INFO *ip;
int ret;
PANIC_CHECK(dbenv);
ENV_REQUIRES_CONFIG(dbenv,
dbenv->mp_handle, "DB_ENV->memp_register", DB_INIT_MPOOL);
ENV_ENTER(dbenv, ip);
REPLICATION_WRAP(dbenv,
(__memp_register(dbenv, ftype, pgin, pgout)), ret);
ENV_LEAVE(dbenv, ip);
return (ret);
}
int
__memp_register(dbenv, ftype, pgin, pgout)
DB_ENV *dbenv;
int ftype;
int (*pgin) __P((DB_ENV *, db_pgno_t, void *, DBT *));
int (*pgout) __P((DB_ENV *, db_pgno_t, void *, DBT *));
{
DB_MPOOL *dbmp;
DB_MPREG *mpreg;
int ret;
dbmp = dbenv->mp_handle;
if (ftype == DB_FTYPE_SET) {
if (dbmp->pg_inout != NULL)
return (0);
if ((ret =
__os_malloc(dbenv, sizeof(DB_MPREG), &dbmp->pg_inout)) != 0)
return (ret);
dbmp->pg_inout->ftype = ftype;
dbmp->pg_inout->pgin = pgin;
dbmp->pg_inout->pgout = pgout;
return (0);
}
MUTEX_LOCK(dbenv, dbmp->mutex);
LIST_FOREACH(mpreg, &dbmp->dbregq, q)
if (mpreg->ftype == ftype) {
mpreg->pgin = pgin;
mpreg->pgout = pgout;
break;
}
if (mpreg == NULL) {
if ((ret = __os_malloc(dbenv, sizeof(DB_MPREG), &mpreg)) != 0)
return (ret);
mpreg->ftype = ftype;
mpreg->pgin = pgin;
mpreg->pgout = pgout;
LIST_INSERT_HEAD(&dbmp->dbregq, mpreg, q);
}
MUTEX_UNLOCK(dbenv, dbmp->mutex);
return (0);
}