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-rw-r--r--sysdeps/generic/siglist-compat.h47
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+/* Generic siglist compatibility macro definitions.
+   Copyright (C) 2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SIGLIST_COMPAT_H
+#define _SIGLIST_COMPAT_H
+
+#include <shlib-compat.h>
+#include <limits.h>
+
+/* Define new compat symbols for sys_siglist, _sys_siglist, and sys_sigabbrev
+   for version VERSION with NUMBERSIG times the number of bytes per long int.
+   Both _sys_siglist and sys_siglist alias to __sys_siglist while
+   sys_sigabbrev alias to __sys_sigabbrev.  Both target alias are
+   define in siglist.c.  */
+#define DEFINE_COMPAT_SIGLIST(NUMBERSIG, VERSION) 			     \
+  declare_symbol_alias (__ ## VERSION ## _sys_siglist,			     \
+			__sys_siglist,					     \
+			object,	NUMBERSIG * (ULONG_WIDTH / UCHAR_WIDTH));    \
+  declare_symbol_alias (__ ## VERSION ## sys_siglist,			     \
+			__sys_siglist,					     \
+			object,	NUMBERSIG * (ULONG_WIDTH / UCHAR_WIDTH));    \
+  declare_symbol_alias (__ ## VERSION ## _sys_sigabbrev,		     \
+			__sys_sigabbrev,				     \
+			object, NUMBERSIG * (ULONG_WIDTH / UCHAR_WIDTH));    \
+  compat_symbol (libc, __## VERSION ## _sys_siglist,   _sys_siglist,	     \
+		 VERSION);						     \
+  compat_symbol (libc, __## VERSION ## sys_siglist,    sys_siglist,	     \
+		 VERSION);						     \
+  compat_symbol (libc, __## VERSION ## _sys_sigabbrev, sys_sigabbrev,	     \
+		 VERSION);						     \
+
+#endif