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authorFabricio Voznika <fvoznika@google.com>2020-06-09 18:44:57 -0700
committergVisor bot <gvisor-bot@google.com>2020-06-09 18:46:42 -0700
commit67565078bbcdd8f797206d996605df8f6658d00a (patch)
tree4df1f03703f1ee1c0ed6901acf0117f5d815fea6 /pkg/sentry/fsimpl/eventfd
parent52c922f7c00c3cdb5ddf001ae453cc65881cde2c (diff)
Implement flock(2) in VFS2
LockFD is the generic implementation that can be embedded in FileDescriptionImpl implementations. Unique lock ID is maintained in vfs.FileDescription and is created on demand. Updates #1480 PiperOrigin-RevId: 315604825
Diffstat (limited to 'pkg/sentry/fsimpl/eventfd')
-rw-r--r--pkg/sentry/fsimpl/eventfd/eventfd.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/eventfd/eventfd.go b/pkg/sentry/fsimpl/eventfd/eventfd.go
index c573d7935..d12d78b84 100644
--- a/pkg/sentry/fsimpl/eventfd/eventfd.go
+++ b/pkg/sentry/fsimpl/eventfd/eventfd.go
@@ -37,6 +37,7 @@ type EventFileDescription struct {
vfsfd vfs.FileDescription
vfs.FileDescriptionDefaultImpl
vfs.DentryMetadataFileDescriptionImpl
+ vfs.NoLockFD
// queue is used to notify interested parties when the event object
// becomes readable or writable.