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authorgVisor bot <gvisor-bot@google.com>2020-08-21 16:18:31 -0700
committergVisor bot <gvisor-bot@google.com>2020-08-21 16:20:20 -0700
commit23070b2e5fab3c777dfd6389b80472ba9d58572e (patch)
treea10d4332bd2958268e0bb9026629d6cfe3b65469 /pkg/sentry/limits
parent0ea03f501b6a367d5797bdb430abe8fac121e03c (diff)
Internal change.
PiperOrigin-RevId: 327892274
Diffstat (limited to 'pkg/sentry/limits')
-rw-r--r--pkg/sentry/limits/context.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/limits/context.go b/pkg/sentry/limits/context.go
index 77e1fe217..0bade6e57 100644
--- a/pkg/sentry/limits/context.go
+++ b/pkg/sentry/limits/context.go
@@ -33,3 +33,12 @@ func FromContext(ctx context.Context) *LimitSet {
}
return nil
}
+
+// FromContextOrDie returns FromContext(ctx) if the latter is not nil.
+// Otherwise, panic is triggered.
+func FromContextOrDie(ctx context.Context) *LimitSet {
+ if v := ctx.Value(CtxLimits); v != nil {
+ return v.(*LimitSet)
+ }
+ panic("failed to create limit set from context")
+}