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8176442: [aix] assert(_thr_current == 0L) failed: Thread::current already initialized
authorstuefe
Mon, 13 Mar 2017 21:46:37 -0400
changeset 44319 8c42183dbd04
parent 44318 84a7e7acf41f
child 44320 27047c8fa964
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: dholmes
hotspot/src/share/vm/utilities/globalDefinitions_xlc.hpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/utilities/globalDefinitions_xlc.hpp	Mon Mar 13 15:56:09 2017 -0700
+++ b/hotspot/src/share/vm/utilities/globalDefinitions_xlc.hpp	Mon Mar 13 21:46:37 2017 -0400
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2016 SAP SE. All rights reserved.
+ * Copyright (c) 2012, 2017 SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -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
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