diff options
Diffstat (limited to 'pkg/sentry/fsimpl/eventfd')
| -rw-r--r-- | pkg/sentry/fsimpl/eventfd/eventfd.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/pkg/sentry/fsimpl/eventfd/eventfd.go b/pkg/sentry/fsimpl/eventfd/eventfd.go index 812171fa3..1c27ad700 100644 --- a/pkg/sentry/fsimpl/eventfd/eventfd.go +++ b/pkg/sentry/fsimpl/eventfd/eventfd.go @@ -30,9 +30,11 @@ import ( "gvisor.dev/gvisor/pkg/waiter" ) -// EventFileDescription implements FileDescriptionImpl for file-based event +// EventFileDescription implements vfs.FileDescriptionImpl for file-based event // notification (eventfd). Eventfds are usually internal to the Sentry but in // certain situations they may be converted into a host-backed eventfd. +// +// +stateify savable type EventFileDescription struct { vfsfd vfs.FileDescription vfs.FileDescriptionDefaultImpl @@ -106,7 +108,7 @@ func (efd *EventFileDescription) HostFD() (int, error) { return efd.hostfd, nil } -// Release implements FileDescriptionImpl.Release() +// Release implements vfs.FileDescriptionImpl.Release. func (efd *EventFileDescription) Release(context.Context) { efd.mu.Lock() defer efd.mu.Unlock() @@ -119,7 +121,7 @@ func (efd *EventFileDescription) Release(context.Context) { } } -// Read implements FileDescriptionImpl.Read. +// Read implements vfs.FileDescriptionImpl.Read. func (efd *EventFileDescription) Read(ctx context.Context, dst usermem.IOSequence, _ vfs.ReadOptions) (int64, error) { if dst.NumBytes() < 8 { return 0, syscall.EINVAL @@ -130,7 +132,7 @@ func (efd *EventFileDescription) Read(ctx context.Context, dst usermem.IOSequenc return 8, nil } -// Write implements FileDescriptionImpl.Write. +// Write implements vfs.FileDescriptionImpl.Write. func (efd *EventFileDescription) Write(ctx context.Context, src usermem.IOSequence, _ vfs.WriteOptions) (int64, error) { if src.NumBytes() < 8 { return 0, syscall.EINVAL |