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-rw-r--r--libc/include/sys/tls.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/libc/include/sys/tls.h b/libc/include/sys/tls.h
index d59f1c3..da34344 100644
--- a/libc/include/sys/tls.h
+++ b/libc/include/sys/tls.h
@@ -32,6 +32,17 @@
__BEGIN_DECLS
+/** WARNING WARNING WARNING
+ **
+ ** This header file is *NOT* part of the public Bionic ABI/API
+ ** and should not be used/included by user-serviceable parts of
+ ** the system (e.g. applications).
+ **
+ ** It is only provided here for the benefit of the system dynamic
+ ** linker and the OpenGL sub-system (which needs to access the
+ ** pre-allocated slot directly for performance reason).
+ **/
+
/* maximum number of elements in the TLS array */
#define BIONIC_TLS_SLOTS 64