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Fix libdrm's atomic_dec_and_test on Solaris. 

_nv means new value, not old value!

Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@ubuntu.com>
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Thomas Klausner 2014-07-20 10:24:26 +02:00 committed by Maarten Lankhorst
parent 0c5aaeef51
commit 96cf455425
1 changed files with 1 additions and 1 deletions
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2
xf86atomic.h
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@ -85,7 +85,7 @@ typedef struct { uint_t atomic; } atomic_t;
# define atomic_read(x) (int) ((x)->atomic) # define atomic_read(x) (int) ((x)->atomic)
# define atomic_set(x, val) ((x)->atomic = (uint_t)(val)) # define atomic_set(x, val) ((x)->atomic = (uint_t)(val))
# define atomic_inc(x) (atomic_inc_uint (&(x)->atomic)) # define atomic_inc(x) (atomic_inc_uint (&(x)->atomic))
# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 1) # define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 0)
# define atomic_add(x, v) (atomic_add_int(&(x)->atomic, (v))) # define atomic_add(x, v) (atomic_add_int(&(x)->atomic, (v)))
# define atomic_dec(x, v) (atomic_add_int(&(x)->atomic, -(v))) # define atomic_dec(x, v) (atomic_add_int(&(x)->atomic, -(v)))
# define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv) # define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv)