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Author SHA1 Message Date
Kuba Brecka 74f7f399ac [tsan] Add support for OS X OSAtomic* functions 
OS X provides atomic functions in libkern/OSAtomic.h. These provide atomic guarantees and they have alternatives which have barrier semantics. This patch adds proper TSan support for the functions from libkern/OSAtomic.h.

Differential Revision: http://reviews.llvm.org/D18500

llvm-svn: 265665
 2016-04-07 12:05:09 +00:00
Kuba Brecka e316bb61b3 [tsan] Add XPC support (OS X) 
XPC APIs have async callbacks, and we need some more happen-before edges to avoid false positives. This patch add them, plus a test case (sorry for the long boilerplate code, but XPC just needs all that).

Differential Revision: http://reviews.llvm.org/D18493

llvm-svn: 265661
 2016-04-07 11:47:11 +00:00
Kuba Brecka 0423e5cd57 [tsan] Add interceptors for Darwin-specific locking APIs 
On OS X, there are other-than-pthread locking APIs that are used quite extensively - OSSpinLock and os_lock_lock. Let's add interceptors for those.

Differential Revision: http://reviews.llvm.org/D14987

llvm-svn: 254611
 2015-12-03 15:10:52 +00:00