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47 lines
1.3 KiB
47 lines
1.3 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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* Copyright (C) 2016 Mopria Alliance, Inc.
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* Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __WPRINT_MSGQ_H__
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#define __WPRINT_MSGQ_H__
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#include "wtypes.h"
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#define WAIT_FOREVER -1
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#define NO_WAIT 0
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#define MSG_Q_FIFO 0
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typedef void *msg_q_id;
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#define MSG_Q_INVALID_ID ((msg_q_id)NULL)
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/*
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* Definitions corresponding to ifc_wprint_t interfaces
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*/
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msg_q_id msgQCreate(int max_msgs, int max_msg_length);
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status_t msgQDelete(msg_q_id msgQ);
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status_t msgQSend(msg_q_id msgQ, const char *buffer, unsigned long nbytes, int timeout,
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int priority);
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status_t msgQReceive(msg_q_id msgQ, char *buffer, unsigned long max_nbytes, int timeout);
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int msgQNumMsgs(msg_q_id msgQ);
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#endif // __WPRINT_MSGQ_H__
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