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[PATCH] mutex subsystem, add typecheck_fn(type, function)

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add typecheck_fn(type, function) to do type-checking of function
pointers.

Modified-by: Ingo Molnar <mingo@elte.hu>

(made it typeof() based, instead of typedef based.)

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Chuck Ebbert 2006-01-09 15:59:17 -08:00 committed by Ingo Molnar
parent ffbf670f5c
commit 711a660dc2
1 changed files with 9 additions and 0 deletions
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9
include/linux/kernel.h
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@ -286,6 +286,15 @@ extern void dump_stack(void);
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 /* __KERNEL__ */
#define SI_LOAD_SHIFT 16