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121 lines
4.1 KiB
121 lines
4.1 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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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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package android.hardware.tests.msgq@1.0;
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interface ITestMsgQ {
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enum EventFlagBits : uint32_t {
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FMQ_NOT_EMPTY = 1 << 0,
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FMQ_NOT_FULL = 1 << 1,
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};
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/**
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* This method requests the service to set up a synchronous read/write
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* wait-free FMQ using the input descriptor with the client as reader.
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*
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* @param mqDesc This structure describes the FMQ that was set up by the
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* client. Server uses this descriptor to set up a FMQ object at its end.
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*
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* @return ret True if the setup is successful.
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*/
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configureFmqSyncReadWrite(fmq_sync<int32_t> mqDesc) generates(bool ret);
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/**
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* This method requests the service to return an MQDescriptor to
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* an unsynchronized FMQ set up by the server. If 'configureFmq' is
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* true, then the server sets up a new unsynchronized FMQ. This
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* method is to be used to test multiple reader processes.
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*
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* @param configureFmq The server sets up a new unsynchronized FMQ if
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* this parameter is true.
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* @param userFd True to initialize the message queue with a user supplied
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* file descriptor for the ring buffer.
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* False to let the message queue use a single FD for everything.
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*
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* @return ret True if successful.
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* @return mqDesc This structure describes the unsynchronized FMQ that was
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* set up by the service. Client can use it to set up the FMQ at its end.
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*/
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getFmqUnsyncWrite(bool configureFmq, bool userFd) generates(bool ret, fmq_unsync<int32_t> mqDesc);
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/**
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* This method request the service to write into the synchronized read/write
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* flavor of the FMQ.
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*
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* @param count Number to messages to write.
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*
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* @return ret True if the write operation was successful.
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*/
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requestWriteFmqSync(int32_t count) generates(bool ret);
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/**
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* This method request the service to read from the synchronized read/write
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* FMQ.
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*
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* @param count Number to messages to read.
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*
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* @return ret True if the read operation was successful.
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*/
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requestReadFmqSync(int32_t count) generates(bool ret);
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/**
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* This method request the service to write into the unsynchronized flavor
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* of FMQ.
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*
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* @param count Number to messages to write.
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*
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* @return ret True if the write operation was successful.
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*/
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requestWriteFmqUnsync(int32_t count) generates(bool ret);
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/**
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* This method request the service to read from the unsynchronized flavor of
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* FMQ.
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*
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* @param count Number to messages to read.
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*
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* @return ret Will be True if the read operation was successful.
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*/
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requestReadFmqUnsync(int32_t count) generates(bool ret);
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/**
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* This method requests the service to trigger a blocking read.
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*
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* @param count Number of messages to read.
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*
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*/
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oneway requestBlockingRead(int32_t count);
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/**
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* This method requests the service to trigger a blocking read using
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* default Event Flag notification bits defined by the MessageQueue class.
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*
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* @param count Number of messages to read.
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*
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*/
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oneway requestBlockingReadDefaultEventFlagBits(int32_t count);
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/**
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* This method requests the service to repeatedly trigger blocking reads.
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*
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* @param count Number of messages to read in a single blocking read.
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* @param numIter Number of blocking reads to trigger.
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*
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*/
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oneway requestBlockingReadRepeat(int32_t count, int32_t numIter);
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};
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