diff options
Diffstat (limited to 'pkg/sentry/uniqueid')
| -rw-r--r-- | pkg/sentry/uniqueid/BUILD | 5 | ||||
| -rw-r--r-- | pkg/sentry/uniqueid/context.go | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/pkg/sentry/uniqueid/BUILD b/pkg/sentry/uniqueid/BUILD index 8eba3609e..ff50b9925 100644 --- a/pkg/sentry/uniqueid/BUILD +++ b/pkg/sentry/uniqueid/BUILD @@ -7,5 +7,8 @@ go_library( srcs = ["context.go"], importpath = "gvisor.googlesource.com/gvisor/pkg/sentry/uniqueid", visibility = ["//pkg/sentry:internal"], - deps = ["//pkg/sentry/context"], + deps = [ + "//pkg/sentry/context", + "//pkg/tcpip/transport/unix", + ], ) diff --git a/pkg/sentry/uniqueid/context.go b/pkg/sentry/uniqueid/context.go index eeb8c4286..541e0611d 100644 --- a/pkg/sentry/uniqueid/context.go +++ b/pkg/sentry/uniqueid/context.go @@ -18,6 +18,7 @@ package uniqueid import ( "gvisor.googlesource.com/gvisor/pkg/sentry/context" + "gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix" ) // contextID is the kernel package's type for context.Context.Value keys. @@ -28,6 +29,10 @@ const ( // unique identifier. CtxGlobalUniqueID contextID = iota + // CtxGlobalUniqueIDProvider is a Context.Value key for a + // system-wide unique identifier generator. + CtxGlobalUniqueIDProvider + // CtxInotifyCookie is a Context.Value key for a unique inotify // event cookie. CtxInotifyCookie @@ -38,6 +43,11 @@ func GlobalFromContext(ctx context.Context) uint64 { return ctx.Value(CtxGlobalUniqueID).(uint64) } +// GlobalProviderFromContext returns a system-wide unique identifier from ctx. +func GlobalProviderFromContext(ctx context.Context) unix.UniqueIDProvider { + return ctx.Value(CtxGlobalUniqueIDProvider).(unix.UniqueIDProvider) +} + // InotifyCookie generates a unique inotify event cookie from ctx. func InotifyCookie(ctx context.Context) uint32 { return ctx.Value(CtxInotifyCookie).(uint32) |