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ITS#3456 better fix, use a child thread.

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This commit is contained in:
Howard Chu 2005-06-30 04:06:40 +00:00
parent 0e00a1af79
commit 6236574efc
1 changed files with 16 additions and 3 deletions
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19
servers/slapd/overlays/syncprov.c
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@ -2114,6 +2114,18 @@ typedef struct thread_keys {
/* A fake thread context */
static thread_keys thrctx[MAXKEYS];
/* ITS#3456 we cannot run this search on the main thread, must use a
* child thread in order to insure we have a big enough stack.
*/
static void *
syncprov_db_otask(
void *ptr
)
{
syncprov_findcsn( ptr, FIND_MAXCSN );
return NULL;
}
/* Read any existing contextCSN from the underlying db.
* Then search for any entries newer than that. If no value exists,
* just generate it. Cache whatever result.
@ -2155,6 +2167,8 @@ syncprov_db_open(
slap_schema.si_ad_contextCSN, 0, &e );
if ( e ) {
ldap_pvt_thread_t tid;
a = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
if ( a ) {
si->si_ctxcsn.bv_len = a->a_nvals[0].bv_len;
@ -2166,13 +2180,12 @@ syncprov_db_open(
strcpy( ctxcsnbuf, si->si_ctxcsnbuf );
}
be_entry_release_rw( op, e, 0 );
#if 0 /* ITS#3456, can't check this here. I think we're fine without it. */
op->o_bd->bd_info = (BackendInfo *)on;
op->o_req_dn = be->be_suffix[0];
op->o_req_ndn = be->be_nsuffix[0];
op->ors_scope = LDAP_SCOPE_SUBTREE;
syncprov_findcsn( op, FIND_MAXCSN );
#endif
ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op );
ldap_pvt_thread_join( tid, NULL );
} else if ( SLAP_SYNC_SHADOW( op->o_bd )) {
/* If we're also a consumer, and we didn't find the context entry,
* then don't generate anything, wait for our provider to send it