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Diffstat (limited to 'pkg/sentry/uniqueid/context.go')
| -rw-r--r-- | pkg/sentry/uniqueid/context.go | 10 |
1 files changed, 10 insertions, 0 deletions
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) |