diff options
Diffstat (limited to 'xf86atomic.h')
| -rw-r--r-- | xf86atomic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xf86atomic.h b/xf86atomic.h index 17fb088d..194554ce 100644 --- a/xf86atomic.h +++ b/xf86atomic.h @@ -50,7 +50,7 @@ typedef struct { # define atomic_set(x, val) ((x)->atomic = (val)) # define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1)) # define atomic_inc_return(x) (__sync_add_and_fetch (&(x)->atomic, 1)) -# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1) +# define atomic_dec_and_test(x) (__sync_add_and_fetch (&(x)->atomic, -1) == 0) # define atomic_add(x, v) ((void) __sync_add_and_fetch(&(x)->atomic, (v))) # define atomic_dec(x, v) ((void) __sync_sub_and_fetch(&(x)->atomic, (v))) # define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv) |