diff options
Diffstat (limited to 'sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c')
-rw-r--r-- | sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c b/sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c index 37de21f..bdb8f02 100644 --- a/sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c +++ b/sys/cddl/compat/opensolaris/kern/opensolaris_atomic.c @@ -61,6 +61,15 @@ atomic_add_64(volatile uint64_t *target, int64_t delta) *target += delta; mtx_unlock(&atomic_mtx); } + +void +atomic_dec_64(volatile uint64_t *target) +{ + + mtx_lock(&atomic_mtx); + *target -= 1; + mtx_unlock(&atomic_mtx); +} #endif uint64_t |