bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
void ctdb_set_scheduler(struct ctdb_context *ctdb);
void ctdb_restore_scheduler(struct ctdb_context *ctdb);
+pid_t ctdb_fork(struct ctdb_context *ctdb);
int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
struct ctdb_req_control *c,
TDB_DATA indata,