tdb: cleanup: tdb_release_extra_locks() helper

[ccan] / ccan / tdb / lock.c

diff --git a/ccan/tdb/lock.c b/ccan/tdb/lock.c
index 4f8970fd34bc4e7766e2748e2bbf077ad76a5f97..3013b06af6ec855477b0991422a2948bf7b69359 100644 (file)
--- a/ccan/tdb/lock.c
+++ b/ccan/tdb/lock.c
@@ -702,3 +702,23 @@ bool tdb_have_extra_locks(struct tdb_context *tdb)
        }
        return false;
 }
+
+/* The transaction code uses this to remove all locks. */
+void tdb_release_extra_locks(struct tdb_context *tdb)
+{
+       unsigned int i;
+
+       if (tdb->allrecord_lock.count != 0) {
+               tdb_brunlock(tdb, tdb->allrecord_lock.ltype,
+                            FREELIST_TOP, 4*tdb->header.hash_size);
+               tdb->allrecord_lock.count = 0;
+       }
+
+       for (i=0;i<tdb->num_lockrecs;i++) {
+               tdb_brunlock(tdb, tdb->lockrecs[i].ltype,
+                            tdb->lockrecs[i].off, 1);
+       }
+       tdb->num_locks = 0;
+       tdb->num_lockrecs = 0;
+       SAFE_FREE(tdb->lockrecs);
+}