From cf91efd372f25b4724a5582bae7228e24917e73d Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Mon, 29 May 2017 18:36:09 +0200
Subject: kern/semaphore: replace xxx_once macros with atomic accessors

---
 kern/semaphore.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'kern/semaphore.h')

diff --git a/kern/semaphore.h b/kern/semaphore.h
index 01111856..d7219b4f 100644
--- a/kern/semaphore.h
+++ b/kern/semaphore.h
@@ -33,6 +33,7 @@
 #define _KERN_SEMAPHORE_H
 
 #include <kern/assert.h>
+#include <kern/atomic.h>
 #include <kern/error.h>
 #include <kern/macros.h>
 
@@ -117,7 +118,7 @@ semaphore_post(struct semaphore *semaphore)
 static inline unsigned int
 semaphore_getvalue(const struct semaphore *semaphore)
 {
-    return read_once(semaphore->value);
+    return atomic_load(&semaphore->value, ATOMIC_RELAXED);
 }
 
 #endif /* _KERN_SEMAPHORE_H */
-- 
cgit v1.2.3