From fb251f51a9118a64376405a277ee6777abd7dca4 Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Fri, 27 Jun 2014 00:47:38 +0000 Subject: tsan: add __tsan_java_finalize interface function It is required to prevent false positives between object ctor and finalizer, as otherwise they look completely unsynchronized. llvm-svn: 211829 --- compiler-rt/lib/tsan/rtl/tsan_interface_java.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'compiler-rt/lib/tsan/rtl/tsan_interface_java.h') diff --git a/compiler-rt/lib/tsan/rtl/tsan_interface_java.h b/compiler-rt/lib/tsan/rtl/tsan_interface_java.h index 9ac78e074bb..6a838851e43 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_interface_java.h +++ b/compiler-rt/lib/tsan/rtl/tsan_interface_java.h @@ -52,6 +52,11 @@ void __tsan_java_free(jptr ptr, jptr size) INTERFACE_ATTRIBUTE; // Can be aggregated for several objects (preferably). // The ranges must not overlap. void __tsan_java_move(jptr src, jptr dst, jptr size) INTERFACE_ATTRIBUTE; +// This function must be called on the finalizer thread +// before executing a batch of finalizers. +// It ensures necessary synchronization between +// java object creation and finalization. +void __tsan_java_finalize() INTERFACE_ATTRIBUTE; // Mutex lock. // Addr is any unique address associated with the mutex. -- cgit v1.2.3