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Don't let hastd use C11 atomics.

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Due to possible concerns about the stability of C11 atomics, use our
existing atomics API instead.

Requested by:	pjd
This commit is contained in:
Ed Schouten 2013-06-29 20:13:39 +00:00
parent 2524554832
commit f758648022
1 changed files with 5 additions and 5 deletions
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10
sbin/hastd/refcnt.h
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@ -32,24 +32,24 @@
#ifndef __REFCNT_H__
#define __REFCNT_H__
#include <stdatomic.h>
#include <machine/atomic.h>
#include "pjdlog.h"
typedef atomic_uint refcnt_t;
typedef unsigned int refcnt_t;
static __inline void
refcnt_init(refcnt_t *count, unsigned int v)
{
atomic_init(count, v);
*count = v;
}
static __inline void
refcnt_acquire(refcnt_t *count)
{
atomic_fetch_add_explicit(count, 1, memory_order_acquire);
atomic_add_acq_int(count, 1);
}
static __inline unsigned int
@ -58,7 +58,7 @@ refcnt_release(refcnt_t *count)
unsigned int old;
/* XXX: Should this have a rel membar? */
old = atomic_fetch_sub(count, 1);
old = atomic_fetchadd_int(count, -1);
PJDLOG_ASSERT(old > 0);
return (old - 1);
}