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IPv4: Non-blocking IPv4 sockets should return -EAGAIN in recvfrom()
...if there are no packets in the receive queue.
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1 changed files with 3 additions and 0 deletions
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@ -222,6 +222,9 @@ ssize_t IPv4Socket::recvfrom(FileDescription& description, void* buffer, size_t
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ReceivedPacket packet;
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ReceivedPacket packet;
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{
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{
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LOCKER(lock());
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LOCKER(lock());
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if (m_receive_queue.is_empty() && !description.is_blocking())
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return -EAGAIN;
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if (!m_receive_queue.is_empty()) {
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if (!m_receive_queue.is_empty()) {
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packet = m_receive_queue.take_first();
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packet = m_receive_queue.take_first();
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m_can_read = !m_receive_queue.is_empty();
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m_can_read = !m_receive_queue.is_empty();
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