[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/nacl/tls.h b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/tls.h
new file mode 100644
index 0000000..c56ff37
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/nacl/tls.h
@@ -0,0 +1,41 @@
+/* Definition for thread-local data handling. NaCl version.
+ Copyright (C) 2015-2016 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _NACL_TLS_H
+#define _NACL_TLS_H 1
+
+#ifndef __ASSEMBLER__
+
+# include <nacl-interfaces.h>
+
+/* Code to initially initialize the thread pointer. This might need
+ special attention since 'errno' is not yet available and if the
+ operation can cause a failure 'errno' must not be touched. */
+# define TLS_INIT_TP(tcbp) \
+ ((*__nacl_irt_tls.tls_init) (tcbp) == 0 ? NULL : "tls_init call failed")
+
+/* Our use of dl_sysinfo is rather different from the Linux syscall
+ entry-point case. We never need a thread-local copy of the value. */
+# undef SETUP_THREAD_SYSINFO
+# undef CHECK_THREAD_SYSINFO
+# define SETUP_THREAD_SYSINFO(pd) ((void) (pd))
+# define CHECK_THREAD_SYSINFO(pd) ((void) (pd))
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* tls.h */