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authorAyush Ranjan <ayushranjan@google.com>2020-12-17 08:45:38 -0800
committergVisor bot <gvisor-bot@google.com>2020-12-17 08:47:24 -0800
commit74788b1b6194ef62f8355f7e4721c00f615d16ad (patch)
tree87a4089f292401c74ee2abf560b55219dbaa63a4 /pkg/sentry/syscalls/linux/sys_socket.go
parent4640fc4f359440609664b3f3349bd782694f0f4a (diff)
[netstack] Implement MSG_ERRQUEUE flag for recvmsg(2).
Introduces the per-socket error queue and the necessary cmsg mechanisms. PiperOrigin-RevId: 348028508
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_socket.go')
-rw-r--r--pkg/sentry/syscalls/linux/sys_socket.go5
1 files changed, 0 insertions, 5 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_socket.go b/pkg/sentry/syscalls/linux/sys_socket.go
index 9cd052c3d..4adfa6637 100644
--- a/pkg/sentry/syscalls/linux/sys_socket.go
+++ b/pkg/sentry/syscalls/linux/sys_socket.go
@@ -749,11 +749,6 @@ func recvSingleMsg(t *kernel.Task, s socket.Socket, msgPtr usermem.Addr, flags i
return 0, err
}
- // FIXME(b/63594852): Pretend we have an empty error queue.
- if flags&linux.MSG_ERRQUEUE != 0 {
- return 0, syserror.EAGAIN
- }
-
// Fast path when no control message nor name buffers are provided.
if msg.ControlLen == 0 && msg.NameLen == 0 {
n, mflags, _, _, cms, err := s.RecvMsg(t, dst, int(flags), haveDeadline, deadline, false, 0)