hst: expose scheduling priority

This is useful when limits are configured to allow it.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/outcome/outcome.go

@@ -100,7 +100,8 @@ func newOutcomeState(k syscallDispatcher, msg message.Msg, id *hst.ID, config *h
 			PrivPID: k.getpid(),
 			Verbose: msg.IsVerbose(),
 
-			SchedPolicy: config.SchedPolicy,
+			SchedPolicy:   config.SchedPolicy,
+			SchedPriority: config.SchedPriority,
 		},
 
 		ID:       id,

internal/outcome/shim.go

@@ -75,6 +75,8 @@ type shimParams struct {
 
 	// Copied from [hst.Config].
 	SchedPolicy std.SchedPolicy
+	// Copied from [hst.Config].
+	SchedPriority std.Int
 
 	// Outcome setup ops, contains setup state. Populated by outcome.finalise.
 	Ops []outcomeOp
@@ -276,6 +278,7 @@ func shimEntrypoint(k syscallDispatcher) {
 	z := container.New(ctx, msg)
 	z.SetScheduler = state.Shim.SchedPolicy > 0
 	z.SchedPolicy = state.Shim.SchedPolicy
+	z.SchedPriority = state.Shim.SchedPriority
 	z.Params = *stateParams.params
 	z.Stdin, z.Stdout, z.Stderr = os.Stdin, os.Stdout, os.Stderr