Add bash 5.2 to third_party

third_party/bash/siglist.h

@@ -0,0 +1,44 @@
+/* siglist.h -- encapsulate various definitions for sys_siglist */
+
+/* Copyright (C) 1993, 2001, 2005, 2008-2020 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_SIGLIST_H_)
+#define _SIGLIST_H_
+
+#if !defined (SYS_SIGLIST_DECLARED) && !defined (HAVE_STRSIGNAL)
+
+#if defined (HAVE_UNDER_SYS_SIGLIST) && !defined (HAVE_SYS_SIGLIST) && !defined (sys_siglist)
+#  define sys_siglist _sys_siglist
+#endif /* HAVE_UNDER_SYS_SIGLIST && !HAVE_SYS_SIGLIST && !sys_siglist */
+
+#if !defined (sys_siglist)
+extern char *sys_siglist[];
+#endif /* !sys_siglist */
+
+#endif /* !SYS_SIGLIST_DECLARED && !HAVE_STRSIGNAL */
+
+#if !defined (strsignal) && !defined (HAVE_STRSIGNAL)
+#  define strsignal(sig) (char *)sys_siglist[sig]
+#endif /* !strsignal && !HAVE_STRSIGNAL */
+
+#if !defined (strsignal) && !HAVE_DECL_STRSIGNAL
+extern char *strsignal PARAMS((int));
+#endif
+
+#endif /* _SIGLIST_H */