# HG changeset patch
# User stuefe
# Date 1489221037 -3600
# Node ID 91bb9c083d0edbb8e6c6657a8e24ccba7f2be623
# Parent  6868eb69ce706d4e85d30a23edc20bd090bc71ba
8176442: [aix] assert(_thr_current == 0L) failed: Thread::current already initialized
Summary: Revert Thread::current() back to pthread library based TLS on AIX.
Reviewed-by:

diff --git a/src/share/vm/utilities/globalDefinitions_xlc.hpp b/src/share/vm/utilities/globalDefinitions_xlc.hpp
--- a/src/share/vm/utilities/globalDefinitions_xlc.hpp
+++ b/src/share/vm/utilities/globalDefinitions_xlc.hpp
@@ -153,6 +153,9 @@
 // offset_of as it is defined for gcc.
 #define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
 
+// AIX 5.3 has buggy __thread support. (see JDK-8176442).
+#define USE_LIBRARY_BASED_TLS_ONLY 1
+
 #ifndef USE_LIBRARY_BASED_TLS_ONLY
 #define THREAD_LOCAL_DECL __thread
 #endif