diff options
| author | Bhasker Hariharan <bhaskerh@google.com> | 2021-03-24 12:08:24 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-03-24 12:11:44 -0700 |
| commit | e7ca2a51a89a8ff2c9f5adfdfa5b51be1b3faeb3 (patch) | |
| tree | 1abf748d2755526978f560abb67f29b6f83496c7 /pkg/sentry/socket/unix/unix.go | |
| parent | 72ff6a1cac6ab35132b4f79b1149590e103e5291 (diff) | |
Add POLLRDNORM/POLLWRNORM support.
On Linux these are meant to be equivalent to POLLIN/POLLOUT. Rather
than hack these on in sys_poll etc it felt cleaner to just cleanup
the call sites to notify for both events. This is what linux does
as well.
Fixes #5544
PiperOrigin-RevId: 364859977
Diffstat (limited to 'pkg/sentry/socket/unix/unix.go')
| -rw-r--r-- | pkg/sentry/socket/unix/unix.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/pkg/sentry/socket/unix/unix.go b/pkg/sentry/socket/unix/unix.go index 63165e1d4..b22f7973a 100644 --- a/pkg/sentry/socket/unix/unix.go +++ b/pkg/sentry/socket/unix/unix.go @@ -207,7 +207,7 @@ func (s *socketOpsCommon) Listen(t *kernel.Task, backlog int) *syserr.Error { func (s *SocketOperations) blockingAccept(t *kernel.Task, peerAddr *tcpip.FullAddress) (transport.Endpoint, *syserr.Error) { // Register for notifications. e, ch := waiter.NewChannelEntry(nil) - s.EventRegister(&e, waiter.EventIn) + s.EventRegister(&e, waiter.ReadableEvents) defer s.EventUnregister(&e) // Try to accept the connection; if it fails, then wait until we get a @@ -502,7 +502,7 @@ func (s *socketOpsCommon) SendMsg(t *kernel.Task, src usermem.IOSequence, to []b // We'll have to block. Register for notification and keep trying to // send all the data. e, ch := waiter.NewChannelEntry(nil) - s.EventRegister(&e, waiter.EventOut) + s.EventRegister(&e, waiter.WritableEvents) defer s.EventUnregister(&e) total := n @@ -677,7 +677,7 @@ func (s *socketOpsCommon) RecvMsg(t *kernel.Task, dst usermem.IOSequence, flags // We'll have to block. Register for notification and keep trying to // send all the data. e, ch := waiter.NewChannelEntry(nil) - s.EventRegister(&e, waiter.EventIn) + s.EventRegister(&e, waiter.ReadableEvents) defer s.EventUnregister(&e) for { |