X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftdb2%2Ftdb.c;h=a2d36b373c4b7d875aeb45e477366a2ae3371972;hb=8af0812be4b3fcb82d82b70ea1b571225a76ca19;hp=18cf2e93a598ea7c3f742bcb3e445a5985686d55;hpb=8cca0397ef6f6017b13ce9ab4999bf3d92a2dee5;p=ccan

diff --git a/ccan/tdb2/tdb.c b/ccan/tdb2/tdb.c
index 18cf2e93..a2d36b37 100644
--- a/ccan/tdb2/tdb.c
+++ b/ccan/tdb2/tdb.c
@@ -1,3 +1,20 @@
+ /*
+   Trivial Database 2: fetch, store and misc routines.
+   Copyright (C) Rusty Russell 2010
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
 #include "private.h"
 #include <ccan/asprintf/asprintf.h>
 #include <stdarg.h>
@@ -41,7 +58,8 @@ static enum TDB_ERROR replace_data(struct tdb_context *tdb,
 		tdb->stats.frees++;
 		ecode = add_free_record(tdb, old_off,
 					sizeof(struct tdb_used_record)
-					+ key.dsize + old_room);
+					+ key.dsize + old_room,
+					TDB_LOCK_WAIT, true);
 		if (ecode == TDB_SUCCESS)
 			ecode = replace_in_hash(tdb, h, new_off);
 	} else {
@@ -290,7 +308,8 @@ enum TDB_ERROR tdb_delete(struct tdb_context *tdb, struct tdb_data key)
 				sizeof(struct tdb_used_record)
 				+ rec_key_length(&rec)
 				+ rec_data_length(&rec)
-				+ rec_extra_padding(&rec));
+				+ rec_extra_padding(&rec),
+				TDB_LOCK_WAIT, true);
 
 	if (tdb->flags & TDB_SEQNUM)
 		tdb_inc_seqnum(tdb);
@@ -327,6 +346,9 @@ void tdb_add_flag(struct tdb_context *tdb, unsigned flag)
 	case TDB_SEQNUM:
 		tdb->flags |= TDB_SEQNUM;
 		break;
+	case TDB_ALLOW_NESTING:
+		tdb->flags |= TDB_ALLOW_NESTING;
+		break;
 	default:
 		tdb->last_error = tdb_logerr(tdb, TDB_ERR_EINVAL,
 					     TDB_LOG_USE_ERROR,
@@ -357,6 +379,9 @@ void tdb_remove_flag(struct tdb_context *tdb, unsigned flag)
 	case TDB_SEQNUM:
 		tdb->flags &= ~TDB_SEQNUM;
 		break;
+	case TDB_ALLOW_NESTING:
+		tdb->flags &= ~TDB_ALLOW_NESTING;
+		break;
 	default:
 		tdb->last_error = tdb_logerr(tdb, TDB_ERR_EINVAL,
 					     TDB_LOG_USE_ERROR,