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pipe: Get the p_atomic_dec_zero logic right this time.
author
José Fonseca
<jfonseca@vmware.com>
Fri, 17 Apr 2009 17:40:46 +0000
(18:40 +0100)
committer
José Fonseca
<jfonseca@vmware.com>
Fri, 17 Apr 2009 17:40:46 +0000
(18:40 +0100)
src/gallium/include/pipe/p_atomic.h
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diff --git
a/src/gallium/include/pipe/p_atomic.h
b/src/gallium/include/pipe/p_atomic.h
index
ed5f665
..
0c3fbae
100644
(file)
--- a/
src/gallium/include/pipe/p_atomic.h
+++ b/
src/gallium/include/pipe/p_atomic.h
@@
-225,7
+225,7
@@
p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new)
struct pipe_atomic
{
- long count;
+
volatile
long count;
};
#define p_atomic_set(_v, _i) ((_v)->count = (_i))
@@
-234,7
+234,7
@@
struct pipe_atomic
static INLINE boolean
p_atomic_dec_zero(struct pipe_atomic *v)
{
- return InterlockedDecrement(&v->count)
!
= 0;
+ return InterlockedDecrement(&v->count)
=
= 0;
}
static INLINE void
@@
-270,7
+270,6
@@
p_atomic_cmpxchg(struct pipe_atomic *v, int32_t old, int32_t _new)
* Add an assembly port instead. It may abort and
* doesn't destroy used mutexes.
*/
-#warning "using mutex-based fallback for pipe_atomic"
struct pipe_atomic {
pipe_mutex mutex;