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Kernel: Add so_error to keep track of the socket's error state

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This sets the m_so_error variable every time the socket returns an
error.
This commit is contained in:
brapru 2021-08-01 11:27:23 -04:00 • committed by Andreas Kling
parent f424485193
commit 0095c7cb7d
6 changed files with 88 additions and 78 deletions
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10
Kernel/Net/Socket.cpp
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@ -71,9 +71,9 @@ KResult Socket::queue_connection_from(NonnullRefPtr<Socket> peer)
dbgln_if(SOCKET_DEBUG, "Socket({}) queueing connection", this);
MutexLocker locker(m_lock);
if (m_pending.size() >= m_backlog)
return ECONNREFUSED;
return set_so_error(ECONNREFUSED);
if (!m_pending.try_append(peer))
return ENOMEM;
return set_so_error(ENOMEM);
evaluate_block_conditions();
return KSuccess;
}
@ -235,7 +235,7 @@ KResultOr<size_t> Socket::read(FileDescription& description, u64, UserOrKernelBu
KResultOr<size_t> Socket::write(FileDescription& description, u64, const UserOrKernelBuffer& data, size_t size)
{
if (is_shut_down_for_writing())
return EPIPE;
return set_so_error(EPIPE);
return sendto(description, data, size, 0, {}, 0);
}
@ -243,9 +243,9 @@ KResult Socket::shutdown(int how)
{
MutexLocker locker(lock());
if (type() == SOCK_STREAM && !is_connected())
return ENOTCONN;
return set_so_error(ENOTCONN);
if (m_role == Role::Listener)
return ENOTCONN;
return set_so_error(ENOTCONN);
if (!m_shut_down_for_writing && (how & SHUT_WR))
shut_down_for_writing();
if (!m_shut_down_for_reading && (how & SHUT_RD))