Adding upstream version 5.2.37.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

bashjmp.h

@@ -0,0 +1,47 @@
+/* bashjmp.h -- wrapper for setjmp.h with necessary bash definitions. */
+
+/* Copyright (C) 1987-2021 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/>.
+*/
+
+#ifndef _BASHJMP_H_
+#define _BASHJMP_H_
+
+#include "posixjmp.h"
+
+extern procenv_t	top_level;
+extern procenv_t	subshell_top_level;
+extern procenv_t	return_catch;	/* used by `return' builtin */
+extern procenv_t	wait_intr_buf;
+
+extern int no_longjmp_on_fatal_error;
+
+#define SHFUNC_RETURN()	sh_longjmp (return_catch, 1)
+
+#define COPY_PROCENV(old, save) \
+	xbcopy ((char *)old, (char *)save, sizeof (procenv_t));
+
+/* Values for the second argument to longjmp/siglongjmp. */
+#define NOT_JUMPED	0	/* Not returning from a longjmp. */
+#define FORCE_EOF	1	/* We want to stop parsing. */
+#define DISCARD		2	/* Discard current command. */
+#define EXITPROG	3	/* Unconditionally exit the program now. */
+#define ERREXIT		4	/* Exit due to error condition */	
+#define SIGEXIT		5	/* Exit due to fatal terminating signal */
+#define EXITBLTIN	6	/* Exit due to the exit builtin. */
+
+#endif /* _BASHJMP_H_ */