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WindowServer: Improve client write handling a little

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* EPIPE now correctly deletes the client connection
* EAGAIN (which is now returned by the kernel if the write buffer fills)
  terminates the connection also
This commit is contained in:
Robin Burchell 2019-05-19 10:26:06 +02:00 • committed by Andreas Kling
commit 5f597d0cb2
Notes: sideshowbarker 2024-07-19 14:01:12 +09:00
1 changed files with 12 additions and 3 deletions
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15
Servers/WindowServer/WSClientConnection.cpp
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@ -92,12 +92,21 @@ void WSClientConnection::post_message(const WSAPI_ServerMessage& message, const
int nwritten = writev(m_fd, iov, iov_count); int nwritten = writev(m_fd, iov, iov_count);
if (nwritten < 0) { if (nwritten < 0) {
if (errno == EPIPE) { switch (errno) {
case EPIPE:
dbgprintf("WSClientConnection::post_message: Disconnected from peer.\n"); dbgprintf("WSClientConnection::post_message: Disconnected from peer.\n");
delete_later();
return; return;
break;
case EAGAIN:
dbgprintf("WSClientConnection::post_message: Client buffer overflowed.\n");
did_misbehave();
return;
break;
default:
perror("WSClientConnection::post_message writev");
ASSERT_NOT_REACHED();
} }
perror("WSClientConnection::post_message writev");
ASSERT_NOT_REACHED();
} }
ASSERT(nwritten == sizeof(message) + extra_data.size()); ASSERT(nwritten == sizeof(message) + extra_data.size());