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authorAndrew Morton <akpm@linux-foundation.org>2008-07-25 01:45:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:26 -0700
commite0deaff470900a4c3222ca7139f6c9639e26a2f5 (patch)
treeaf18056ba150a3f4fd61f397c83699b2d6231cdc /include
parent5df439ef06d4173357711a04740aa8bfcf50d621 (diff)
split the typecheck macros out of include/linux/kernel.h
Needed to fix up a recursive include snafu in locking-add-typecheck-on-irqsave-and-friends-for-correct-flags.patch Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kernel.h21
-rw-r--r--include/linux/typecheck.h24
2 files changed, 25 insertions, 20 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f9cd7a513f9..5c4b1251e11 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -14,6 +14,7 @@
#include <linux/compiler.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/typecheck.h>
#include <asm/byteorder.h>
#include <asm/bug.h>
@@ -441,26 +442,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
-/*
- * Check at compile time that something is of a particular type.
- * Always evaluates to 1 so you may use it easily in comparisons.
- */
-#define typecheck(type,x) \
-({ type __dummy; \
- typeof(x) __dummy2; \
- (void)(&__dummy == &__dummy2); \
- 1; \
-})
-
-/*
- * Check at compile time that 'function' is a certain type, or is a pointer
- * to that type (needs to use typedef for the function type.)
- */
-#define typecheck_fn(type,function) \
-({ typeof(type) __tmp = function; \
- (void)__tmp; \
-})
-
struct sysinfo;
extern int do_sysinfo(struct sysinfo *info);
diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h
new file mode 100644
index 00000000000..eb5b74a575b
--- /dev/null
+++ b/include/linux/typecheck.h
@@ -0,0 +1,24 @@
+#ifndef TYPECHECK_H_INCLUDED
+#define TYPECHECK_H_INCLUDED
+
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in comparisons.
+ */
+#define typecheck(type,x) \
+({ type __dummy; \
+ typeof(x) __dummy2; \
+ (void)(&__dummy == &__dummy2); \
+ 1; \
+})
+
+/*
+ * Check at compile time that 'function' is a certain type, or is a pointer
+ * to that type (needs to use typedef for the function type.)
+ */
+#define typecheck_fn(type,function) \
+({ typeof(type) __tmp = function; \
+ (void)__tmp; \
+})
+
+#endif /* TYPECHECK_H_INCLUDED */