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Kernel: Use KResultOr<size_t> for the DoubleBuffer class

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This commit is contained in:
Gunnar Beutner 2021-06-16 15:33:14 +02:00 • committed by Andreas Kling
parent 1c3346e3ce
commit ca3cae81eb
4 changed files with 31 additions and 31 deletions
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16
Kernel/Net/IPv4Socket.cpp
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@ -270,17 +270,17 @@ KResultOr<size_t> IPv4Socket::receive_byte_buffered(FileDescription& description
VERIFY(!m_receive_buffer.is_empty());
int nreceived;
KResultOr<size_t> nreceived_or_error { 0 };
if (flags & MSG_PEEK)
nreceived = m_receive_buffer.peek(buffer, buffer_length);
nreceived_or_error = m_receive_buffer.peek(buffer, buffer_length);
else
nreceived = m_receive_buffer.read(buffer, buffer_length);
nreceived_or_error = m_receive_buffer.read(buffer, buffer_length);
if (nreceived > 0 && !(flags & MSG_PEEK))
Thread::current()->did_ipv4_socket_read((size_t)nreceived);
if (!nreceived_or_error.is_error() && nreceived_or_error.value() > 0 && !(flags & MSG_PEEK))
Thread::current()->did_ipv4_socket_read(nreceived_or_error.value());
set_can_read(!m_receive_buffer.is_empty());
return nreceived;
return nreceived_or_error;
}
KResultOr<size_t> IPv4Socket::receive_packet_buffered(FileDescription& description, UserOrKernelBuffer& buffer, size_t buffer_length, int flags, Userspace<sockaddr*> addr, Userspace<socklen_t*> addr_length, Time& packet_timestamp)
@ -418,8 +418,8 @@ bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port,
auto nreceived_or_error = protocol_receive(ReadonlyBytes { packet.data(), packet.size() }, scratch_buffer, m_scratch_buffer.value().size(), 0);
if (nreceived_or_error.is_error())
return false;
ssize_t nwritten = m_receive_buffer.write(scratch_buffer, nreceived_or_error.value());
if (nwritten < 0)
auto nwritten_or_error = m_receive_buffer.write(scratch_buffer, nreceived_or_error.value());
if (nwritten_or_error.is_error())
return false;
set_can_read(!m_receive_buffer.is_empty());
} else {