Add forward declaration of struct thread.

This structure is used in some of the functions in this header, but we
don't depend on any header that pulls it i.

1 files changed, 1 insertions, 0 deletions

diff --git a/sys/sys/cpuset.h b/sys/sys/cpuset.h
index ee0fb04..4fa55a9 100644
--- a/sys/sys/cpuset.h
+++ b/sys/sys/cpuset.h
@@ -116,6 +116,7 @@ struct cpuset {
 extern cpuset_t *cpuset_root;
 struct prison;
 struct proc;
+struct thread;
 
 struct cpuset *cpuset_thread0(void);
 struct cpuset *cpuset_ref(struct cpuset *);