diff options
| author | Ian Gudger <igudger@google.com> | 2018-12-14 16:12:51 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-12-14 16:15:06 -0800 |
| commit | e1dcf92ec5cf7d9bf58fb322f46f6ae2d98699d2 (patch) | |
| tree | 61ed22a594dd96bb994d748e83358c5a51212ee5 /pkg/sentry/socket/hostinet | |
| parent | ed930354ef46df9b6feece36e59ee644a7cdfa7f (diff) | |
Implement SO_SNDTIMEO
PiperOrigin-RevId: 225620490
Change-Id: Ia726107b3f58093a5f881634f90b071b32d2c269
Diffstat (limited to 'pkg/sentry/socket/hostinet')
| -rw-r--r-- | pkg/sentry/socket/hostinet/socket.go | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/pkg/sentry/socket/hostinet/socket.go b/pkg/sentry/socket/hostinet/socket.go index e4e950fbb..34281cac0 100644 --- a/pkg/sentry/socket/hostinet/socket.go +++ b/pkg/sentry/socket/hostinet/socket.go @@ -46,12 +46,12 @@ const ( // socketOperations implements fs.FileOperations and socket.Socket for a socket // implemented using a host socket. type socketOperations struct { - socket.ReceiveTimeout fsutil.PipeSeek `state:"nosave"` fsutil.NotDirReaddir `state:"nosave"` fsutil.NoFsync `state:"nosave"` fsutil.NoopFlush `state:"nosave"` fsutil.NoMMap `state:"nosave"` + socket.SendReceiveTimeout fd int // must be O_NONBLOCK queue waiter.Queue @@ -418,7 +418,7 @@ func (s *socketOperations) RecvMsg(t *kernel.Task, dst usermem.IOSequence, flags } // SendMsg implements socket.Socket.SendMsg. -func (s *socketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to []byte, flags int, controlMessages socket.ControlMessages) (int, *syserr.Error) { +func (s *socketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to []byte, flags int, haveDeadline bool, deadline ktime.Time, controlMessages socket.ControlMessages) (int, *syserr.Error) { // Whitelist flags. if flags&^(syscall.MSG_DONTWAIT|syscall.MSG_EOR|syscall.MSG_FASTOPEN|syscall.MSG_MORE|syscall.MSG_NOSIGNAL) != 0 { return 0, syserr.ErrInvalidArgument @@ -468,7 +468,10 @@ func (s *socketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to [] panic(fmt.Sprintf("CopyInTo: got (%d, %v), wanted (0, %v)", n, err, err)) } if ch != nil { - if err = t.Block(ch); err != nil { + if err = t.BlockWithDeadline(ch, haveDeadline, deadline); err != nil { + if err == syserror.ETIMEDOUT { + err = syserror.ErrWouldBlock + } break } } else { |