1 files changed, 114 insertions, 0 deletions
diff --git a/lib/tdb/test/run-no-lock-during-traverse.c b/lib/tdb/test/run-no-lock-during-traverse.c
new file mode 100644
index 0000000..737a32f
--- /dev/null
+++ b/lib/tdb/test/run-no-lock-during-traverse.c
@@ -0,0 +1,114 @@
+#include "../common/tdb_private.h"
+#include "lock-tracking.h"
+
+#define fcntl fcntl_with_lockcheck
+
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+#include "logging.h"
+
+#undef fcntl
+
+#define NUM_ENTRIES 10
+
+static bool prepare_entries(struct tdb_context *tdb)
+{
+	unsigned int i;
+	TDB_DATA key, data;
+
+	for (i = 0; i < NUM_ENTRIES; i++) {
+		key.dsize = sizeof(i);
+		key.dptr = (void *)&i;
+		data.dsize = strlen("world");
+		data.dptr = discard_const_p(uint8_t, "world");
+
+		if (tdb_store(tdb, key, data, 0) != 0)
+			return false;
+	}
+	return true;
+}
+
+static void delete_entries(struct tdb_context *tdb)
+{
+	unsigned int i;
+	TDB_DATA key;
+
+	for (i = 0; i < NUM_ENTRIES; i++) {
+		key.dsize = sizeof(i);
+		key.dptr = (void *)&i;
+
+		ok1(tdb_delete(tdb, key) == 0);
+	}
+}
+
+/* We don't know how many times this will run. */
+static int delete_other(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+			void *private_data)
+{
+	unsigned int i;
+	memcpy(&i, key.dptr, 4);
+	i = (i + 1) % NUM_ENTRIES;
+	key.dptr = (void *)&i;
+	if (tdb_delete(tdb, key) != 0)
+		(*(int *)private_data)++;
+	return 0;
+}
+
+static int delete_self(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
+			void *private_data)
+{
+	ok1(tdb_delete(tdb, key) == 0);
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	struct tdb_context *tdb;
+	int errors = 0;
+
+	plan_tests(41);
+	tdb = tdb_open_ex("run-no-lock-during-traverse.tdb",
+			  1024, TDB_CLEAR_IF_FIRST, O_CREAT|O_TRUNC|O_RDWR,
+			  0600, &taplogctx, NULL);
+
+	ok1(tdb);
+	ok1(prepare_entries(tdb));
+	ok1(locking_errors == 0);
+	ok1(tdb_lockall(tdb) == 0);
+	ok1(locking_errors == 0);
+	tdb_traverse(tdb, delete_other, &errors);
+	ok1(errors == 0);
+	ok1(locking_errors == 0);
+	ok1(tdb_unlockall(tdb) == 0);
+
+	ok1(prepare_entries(tdb));
+	ok1(locking_errors == 0);
+	ok1(tdb_lockall(tdb) == 0);
+	ok1(locking_errors == 0);
+	tdb_traverse(tdb, delete_self, NULL);
+	ok1(locking_errors == 0);
+	ok1(tdb_unlockall(tdb) == 0);
+
+	ok1(prepare_entries(tdb));
+	ok1(locking_errors == 0);
+	ok1(tdb_lockall(tdb) == 0);
+	ok1(locking_errors == 0);
+	delete_entries(tdb);
+	ok1(locking_errors == 0);
+	ok1(tdb_unlockall(tdb) == 0);
+
+	ok1(tdb_close(tdb) == 0);
+
+	return exit_status();
+}