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-rw-r--r--sbin/hastd/refcnt.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/sbin/hastd/refcnt.h b/sbin/hastd/refcnt.h
index a989df0..5e3fb34 100644
--- a/sbin/hastd/refcnt.h
+++ b/sbin/hastd/refcnt.h
@@ -32,24 +32,33 @@
#ifndef __REFCNT_H__
#define __REFCNT_H__
-#include <machine/atomic.h>
+#include <stdatomic.h>
#include "pjdlog.h"
+typedef atomic_uint refcnt_t;
+
+static __inline void
+refcnt_init(refcnt_t *count, unsigned int v)
+{
+
+ atomic_init(count, v);
+}
+
static __inline void
-refcnt_acquire(volatile unsigned int *count)
+refcnt_acquire(refcnt_t *count)
{
- atomic_add_acq_int(count, 1);
+ atomic_fetch_add_explicit(count, 1, memory_order_acquire);
}
static __inline unsigned int
-refcnt_release(volatile unsigned int *count)
+refcnt_release(refcnt_t *count)
{
unsigned int old;
/* XXX: Should this have a rel membar? */
- old = atomic_fetchadd_int(count, -1);
+ old = atomic_fetch_sub(count, 1);
PJDLOG_ASSERT(old > 0);
return (old - 1);
}
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