MXS-2008 Move maxscale/worker.h to maxbase/worker.h

This commit is contained in:
Johan Wikman
2018-08-17 15:37:00 +03:00
parent 932956d5f6
commit e0cb11151f
10 changed files with 49 additions and 54 deletions

View File

@ -0,0 +1,64 @@
#pragma once
/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2022-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include <maxscale/cdefs.h>
#include <maxbase/poll.h>
MXS_BEGIN_DECLS
typedef enum mxb_worker_msg_id_t
{
/**
* Shutdown message.
*
* arg1: 0
* arg2: NULL
*/
MXB_WORKER_MSG_SHUTDOWN,
/**
* Function call message.
*
* arg1: Pointer to function with the prototype: void (*)(MXB_WORKER*, void* arg2);
* arg2: Second argument for the function passed in arg1.
*/
MXB_WORKER_MSG_CALL
} mxb_worker_msg_id_t;
/**
* Return the current worker.
*
* @return A worker, or NULL if there is no current worker.
*/
MXB_WORKER* mxb_worker_get_current();
/**
* Post a message to a worker.
*
* @param worker The worker to whom the message should be sent.
* @param msg_id The message id.
* @param arg1 Message specific first argument.
* @param arg2 Message specific second argument.
*
* @return True if the message could be sent, false otherwise. If the message
* posting fails, errno is set appropriately.
*
* @attention The return value tells *only* whether the message could be sent,
* *not* that it has reached the worker.
*
* @attention This function is signal safe.
*/
bool mxb_worker_post_message(MXB_WORKER* worker, uint32_t msg_id, intptr_t arg1, intptr_t arg2);
MXB_END_DECLS