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author | ed <ed@FreeBSD.org> | 2013-06-29 20:13:39 +0000 |
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committer | ed <ed@FreeBSD.org> | 2013-06-29 20:13:39 +0000 |
commit | 3764c06cce8e6850a99963792d57f39f931683f0 (patch) | |
tree | d4ba282ffdb6e443e36a2de22e0d468a3194aacc | |
parent | 79db6ff6073aac327fcdea373c900393db93a5e8 (diff) | |
download | FreeBSD-src-3764c06cce8e6850a99963792d57f39f931683f0.zip FreeBSD-src-3764c06cce8e6850a99963792d57f39f931683f0.tar.gz |
Don't let hastd use C11 atomics.
Due to possible concerns about the stability of C11 atomics, use our
existing atomics API instead.
Requested by: pjd
-rw-r--r-- | sbin/hastd/refcnt.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sbin/hastd/refcnt.h b/sbin/hastd/refcnt.h index 5e3fb34..1246043 100644 --- a/sbin/hastd/refcnt.h +++ b/sbin/hastd/refcnt.h @@ -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); } |