summaryrefslogtreecommitdiffhomepage
path: root/src/os/win32/ngx_atomic.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/os/win32/ngx_atomic.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/os/win32/ngx_atomic.h b/src/os/win32/ngx_atomic.h
index fcc3ff1ee..9d75fabd5 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)