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WindowServer: Use blocking sockets for client connections.

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This commit is contained in:
Andreas Kling
2019-05-20 04:07:51 +02:00
parent 5023464d95
commit 091448b8f3
1 changed files with 3 additions and 14 deletions
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17
Servers/WindowServer/WSEventLoop.cpp
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@@ -26,7 +26,7 @@ WSEventLoop::WSEventLoop()
unlink("/tmp/wsportal");
m_server_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
m_server_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
ASSERT(m_server_fd >= 0);
sockaddr_un address;
address.sun_family = AF_LOCAL;
@@ -300,7 +300,7 @@ void WSEventLoop::drain_client(WSClientConnection& client)
for (;;) {
WSAPI_ClientMessage message;
// FIXME: Don't go one message at a time, that's so much context switching, oof.
ssize_t nread = read(client.fd(), &message, sizeof(WSAPI_ClientMessage));
ssize_t nread = recv(client.fd(), &message, sizeof(WSAPI_ClientMessage), MSG_DONTWAIT);
if (nread == 0 || (nread == -1 && errno == EAGAIN)) {
if (!messages_received)
post_event(client, make<WSClientDisconnectedNotification>(client.client_id()));
@@ -316,19 +316,8 @@ void WSEventLoop::drain_client(WSClientConnection& client)
dbgprintf("message.extra_size is way too large\n");
return client.did_misbehave();
}
extra_data = ByteBuffer::create_uninitialized(message.extra_size);
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(client.fd(), &rfds);
struct timeval timeout { 1, 0 };
int rc = select(client.fd() + 1, &rfds, nullptr, nullptr, &timeout);
if (rc != 1) {
dbgprintf("extra_data didn't show up in time\n");
return client.did_misbehave();
}
// FIXME: We should allow this to time out. Maybe use a socket timeout?
int extra_nread = read(client.fd(), extra_data.data(), extra_data.size());
if (extra_nread != message.extra_size) {
dbgprintf("extra_nread(%d) != extra_size(%d)\n", extra_nread, extra_data.size());