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Enable lock annotations on HEAD when using Clang.

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MFC after:	never
This commit is contained in:
Ed Schouten 2014-09-01 18:28:11 +00:00
parent b2d6fddee7
commit e562d2dad7
1 changed files with 4 additions and 3 deletions
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7
sys/sys/cdefs.h
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@ -749,12 +749,13 @@
* Furthermore, it is also possible to annotate variables and structure
* members to enforce that they are only accessed when certain locks are
* held.
*
* Note: These annotations have no effect on this version of FreeBSD.
* They are merely provided for forward compatibilty.
*/
#ifdef __clang__
#define __lock_annotate(x) __attribute__((x))
#else
#define __lock_annotate(x)
#endif
/* Structure implements a lock. */
#define __lockable __lock_annotate(lockable)