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Important bugfix for Linux MQ #394

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gaisser merged 2 commits from KSat/fsfw:linux/hotfix-mq into development 2021-04-08 16:31:05 +02:00
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1 changed files with 3 additions and 2 deletions
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5
osal/linux/MessageQueue.cpp
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@ -190,13 +190,14 @@ ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessageIF* message) {
return HasReturnvaluesIF::RETURN_FAILED;
}
return HasReturnvaluesIF::RETURN_OK;
}else if(status==0){
}
else if(status==0) {
//Success but no message received
return MessageQueueIF::EMPTY;
} else {
//No message was received. Keep lastPartner anyway, I might send
//something later. But still, delete packet content.
memset(message->getData(), 0, message->getMaximumMessageSize());
memset(message->getBuffer(), 0, message->getMaximumMessageSize());
switch(errno){
case EAGAIN:
//O_NONBLOCK or MQ_NONBLOCK was set and there are no messages