mirror of
https://git.openldap.org/openldap/openldap.git
synced 2025-12-24 00:29:35 -05:00
bd6dfe333d
back-ldbm was using a cache specific lock to protect non-reentrant database routines from being reenterred. This is inadequate. Also, reentrant database systems calls were serialized unnecessarily. Non-reentrant database calls must have a big_mutex. Implemented this within -lldbm itself. library requires ldbm_initialize() be called before any other ldbm call to initialize the big_mutex and to do any other db specific initialization (ie: such as required for DB2). The dbc_mutex, dbc_cv, & dbc_readers fileds of dbcache are history. The "reentrant_database" (REENTRANT_DATABASE) define is also axed.
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* init.c - initialize ldbm backend */
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/string.h>
|
|
#include <ac/socket.h>
|
|
|
|
#include "slap.h"
|
|
#include "back-ldbm.h"
|
|
|
|
void
|
|
ldbm_back_init(
|
|
Backend *be
|
|
)
|
|
{
|
|
struct ldbminfo *li;
|
|
char *argv[ 4 ];
|
|
int i;
|
|
|
|
/* initialize the underlying database system */
|
|
ldbm_initialize();
|
|
|
|
/* allocate backend-specific stuff */
|
|
li = (struct ldbminfo *) ch_calloc( 1, sizeof(struct ldbminfo) );
|
|
|
|
/* arrange to read nextid later (on first request for it) */
|
|
li->li_nextid = NOID;
|
|
|
|
#if SLAPD_NEXTID_CHUNK > 1
|
|
li->li_nextid_wrote = NOID;
|
|
#endif
|
|
|
|
/* default cache size */
|
|
li->li_cache.c_maxsize = DEFAULT_CACHE_SIZE;
|
|
|
|
/* default database cache size */
|
|
li->li_dbcachesize = DEFAULT_DBCACHE_SIZE;
|
|
|
|
/* default cache mode is sync on write */
|
|
li->li_dbcachewsync = 1;
|
|
|
|
/* default file creation mode */
|
|
li->li_mode = DEFAULT_MODE;
|
|
|
|
/* default database directory */
|
|
li->li_directory = DEFAULT_DB_DIRECTORY;
|
|
|
|
/* always index dn, id2children, objectclass (used in some searches) */
|
|
argv[ 0 ] = "dn";
|
|
argv[ 1 ] = "dn";
|
|
argv[ 2 ] = NULL;
|
|
attr_syntax_config( "ldbm dn initialization", 0, 2, argv );
|
|
argv[ 0 ] = "dn";
|
|
argv[ 1 ] = "sub";
|
|
argv[ 2 ] = "eq";
|
|
argv[ 3 ] = NULL;
|
|
attr_index_config( li, "ldbm dn initialization", 0, 3, argv, 1 );
|
|
argv[ 0 ] = "id2children";
|
|
argv[ 1 ] = "eq";
|
|
argv[ 2 ] = NULL;
|
|
attr_index_config( li, "ldbm id2children initialization", 0, 2, argv,
|
|
1 );
|
|
argv[ 0 ] = "objectclass";
|
|
argv[ 1 ] = ch_strdup( "pres,eq" );
|
|
argv[ 2 ] = NULL;
|
|
attr_index_config( li, "ldbm objectclass initialization", 0, 2, argv,
|
|
1 );
|
|
free( argv[ 1 ] );
|
|
|
|
/* initialize various mutex locks & condition variables */
|
|
pthread_mutex_init( &li->li_root_mutex, pthread_mutexattr_default );
|
|
pthread_mutex_init( &li->li_add_mutex, pthread_mutexattr_default );
|
|
pthread_mutex_init( &li->li_cache.c_mutex, pthread_mutexattr_default );
|
|
pthread_mutex_init( &li->li_nextid_mutex, pthread_mutexattr_default );
|
|
pthread_mutex_init( &li->li_dbcache_mutex, pthread_mutexattr_default );
|
|
pthread_cond_init( &li->li_dbcache_cv, pthread_condattr_default );
|
|
|
|
be->be_private = li;
|
|
}
|