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/fsimpl/signalfd | |
| 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/fsimpl/signalfd')
| -rw-r--r-- | pkg/sentry/fsimpl/signalfd/signalfd.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/signalfd/signalfd.go b/pkg/sentry/fsimpl/signalfd/signalfd.go index 246bd87bc..a7f5928b7 100644 --- a/pkg/sentry/fsimpl/signalfd/signalfd.go +++ b/pkg/sentry/fsimpl/signalfd/signalfd.go @@ -117,8 +117,8 @@ func (sfd *SignalFileDescription) Read(ctx context.Context, dst usermem.IOSequen func (sfd *SignalFileDescription) Readiness(mask waiter.EventMask) waiter.EventMask { sfd.mu.Lock() defer sfd.mu.Unlock() - if mask&waiter.EventIn != 0 && sfd.target.PendingSignals()&sfd.mask != 0 { - return waiter.EventIn // Pending signals. + if mask&waiter.ReadableEvents != 0 && sfd.target.PendingSignals()&sfd.mask != 0 { + return waiter.ReadableEvents // Pending signals. } return 0 } |