nginx-0.0.11-2004-09-22-20:18:21 import
diff --git a/src/os/win32/ngx_atomic.h b/src/os/win32/ngx_atomic.h
index fcc3ff1..9d75fab 100644
--- a/src/os/win32/ngx_atomic.h
+++ b/src/os/win32/ngx_atomic.h
@@ -6,17 +6,23 @@
#include <ngx_core.h>
+#define NGX_HAVE_ATOMIC_OPS 1
+
+
#define ngx_atomic_inc(p) InterlockedIncrement((long *) p)
-#define ngx_atomic_dec(p) InterlockedDecrement((long *) p)
#if defined( __WATCOMC__ ) || defined( __BORLANDC__ )
+/* the new SDK headers */
+
#define ngx_atomic_cmp_set(lock, old, set) \
(InterlockedCompareExchange((long *) lock, set, old) == old)
#else
+/* the old MS VC6.0SP2 SDK headers */
+
#define ngx_atomic_cmp_set(lock, old, set) \
(InterlockedCompareExchange((void **) lock, (void *) set, (void *) old) \
== (void *) old)
