libthreads: export thread_yield()

We export this for now. The function will need to change for long-term exported
use though.

diff --git a/libthreads.c b/libthreads.c
index 8bdd76ea153f58d585c767581635dbca75a711fc..660e19d5d7b06811b6ec52cce76f63bf4d0b29ea 100644 (file)
--- a/libthreads.c
+++ b/libthreads.c
@@ -54,7 +54,7 @@ static int thread_swap(struct thread *old, struct thread *new)
        return swapcontext(&old->context, &new->context);
 }
 
-static int thread_yield()
+int thread_yield(void)
 {
        struct thread *old, *next;
 

diff --git a/libthreads.h b/libthreads.h
index 0201ea616eb8842f4f3e86a2d7001421a3cb8252..1e2df96292bf365d087d7a7d8fe8cf5405f56b87 100644 (file)
--- a/libthreads.h
+++ b/libthreads.h
@@ -14,6 +14,7 @@ struct thread {
 
 int thread_create(struct thread *t, void (*start_routine), void *arg);
 void thread_join(struct thread *t);
+int thread_yield(void);
 struct thread *thread_current(void);
 
 #endif /* __LIBTHREADS_H__ */