Module Name: src
Committed By: riastradh
Date: Wed Jul 24 01:55:58 UTC 2013
Modified Files:
src/sys/external/bsd/drm2/include/linux [riastradh-drm2]: atomic.h
Log Message:
Add some atomic operations to <linux/atomic.h>.
To generate a diff of this commit:
cvs rdiff -u -r1.1.2.2 -r1.1.2.3 \
src/sys/external/bsd/drm2/include/linux/atomic.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/atomic.h
diff -u src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.2 src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.3
--- src/sys/external/bsd/drm2/include/linux/atomic.h:1.1.2.2 Wed Jul 24 00:48:34 2013
+++ src/sys/external/bsd/drm2/include/linux/atomic.h Wed Jul 24 01:55:58 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic.h,v 1.1.2.2 2013/07/24 00:48:34 riastradh Exp $ */
+/* $NetBSD: atomic.h,v 1.1.2.3 2013/07/24 01:55:58 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -32,6 +32,8 @@
#ifndef _LINUX_ATOMIC_H_
#define _LINUX_ATOMIC_H_
+#include <sys/atomic.h>
+
typedef struct {
int atomic_value;
} atomic_t;
@@ -42,4 +44,22 @@ atomic_read(atomic_t *atomic)
return *(volatile int *)&atomic->atomic_value;
}
+static inline void
+atomic_set(atomic_t *atomic, int value)
+{
+ atomic->atomic_value = value;
+}
+
+static inline void
+atomic_inc(atomic_t *atomic)
+{
+ atomic_inc_uint((unsigned int *)&atomic->atomic_value);
+}
+
+static inline int
+atomic_dec_and_test(atomic_t *atomic)
+{
+ return (-1 == (int)atomic_dec_uint_nv(&atomic->atomic_value));
+}
+
#endif /* _LINUX_ATOMIC_H_ */
