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-rw-r--r--include/kmi/tcb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/kmi/tcb.h b/include/kmi/tcb.h
index 4214cb0..a3f119b 100644
--- a/include/kmi/tcb.h
+++ b/include/kmi/tcb.h
@@ -36,7 +36,7 @@ struct tcb;
* @param t Thread to check.
* @return \c true if thread is in RPC, \c false otherwise.
*/
-#define is_rpc(t) (t->rid != t->pid)
+#define is_rpc(t) (!rpc_stack_empty(t->rpc_stack))
/**
* Get the effective process thread of current thread.