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-rw-r--r--sysdeps/generic/tls.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/generic/tls.h b/sysdeps/generic/tls.h
index 5126a50198..01cbbeb7ba 100644
--- a/sysdeps/generic/tls.h
+++ b/sysdeps/generic/tls.h
@@ -1,5 +1,5 @@
/* Definition for thread-local data handling. Generic version.
- Copyright (C) 2002-2016 Free Software Foundation, Inc.
+ Copyright (C) 2002-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -71,4 +71,10 @@
This macro returns the address of the DTV of the current thread.
This normally is done using the thread register which points
to the dtv or the TCB (from which the DTV can found).
+
+
+ THREAD_GSCOPE_IN_TCB
+
+ This should be set to 1 if the global scope flag is stored within the TCB.
+ When set to 0, GL(_dl_thread_gscope_count) will be defined to store it.
*/