| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /*------------------------------------------------------------------------- |
| * |
| * workermgr.h |
| * |
| *------------------------------------------------------------------------- |
| */ |
| |
| #ifndef WORKERMGR_H |
| #define WORKERMGR_H |
| |
| #include "nodes/pg_list.h" |
| |
| struct WorkerMgrState; |
| |
| typedef void *Task; |
| typedef void (*WorkerMgrTaskCallback) (Task task, struct WorkerMgrState *state); |
| |
| extern struct WorkerMgrState *workermgr_create_workermgr_state(int threads_num); |
| extern void workermgr_free_workermgr_state(struct WorkerMgrState *state); |
| extern bool workermgr_submit_job(struct WorkerMgrState *state, |
| List *tasks, |
| WorkerMgrTaskCallback func); |
| extern void workermgr_wait_job(struct WorkerMgrState *state); |
| extern void workermgr_cancel_job(struct WorkerMgrState *state); |
| extern void workermgr_terminate_job(struct WorkerMgrState *state); |
| extern bool workermgr_should_query_stop(struct WorkerMgrState *state); |
| extern bool workermgr_should_query_terminate(struct WorkerMgrState *state); |
| extern void workermgr_set_state_cancel(struct WorkerMgrState *state); |
| |
| #endif /* WORKERMGR_H */ |