56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
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/*
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* File : poll.h
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* This file is part of Device File System in RT-Thread RTOS
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* COPYRIGHT (C) 2006-2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2016-09-19 Heyuanjie The first version.
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* 2016-12-26 Bernard Update poll interface
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*/
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#ifndef IPC_POLL_H__
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#define IPC_POLL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rt_pollreq;
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typedef void (*poll_queue_proc)(rt_wqueue_t *, struct rt_pollreq *);
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typedef struct rt_pollreq
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{
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poll_queue_proc _proc;
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short _key;
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} rt_pollreq_t;
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rt_inline void rt_poll_add(rt_wqueue_t *wq, rt_pollreq_t *req)
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{
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if (req && req->_proc && wq)
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{
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req->_proc(wq, req);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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