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+/* execute_cmd.h - functions from execute_cmd.c. */
+
+/* Copyright (C) 1993-2017 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 (_EXECUTE_CMD_H_)
+#define _EXECUTE_CMD_H_
+
+#include "stdc.h"
+
+#if defined (ARRAY_VARS)
+struct func_array_state
+ {
+ ARRAY *funcname_a;
+ SHELL_VAR *funcname_v;
+ ARRAY *source_a;
+ SHELL_VAR *source_v;
+ ARRAY *lineno_a;
+ SHELL_VAR *lineno_v;
+ };
+#endif
+
+/* Placeholder for later expansion to include more execution state */
+/* XXX - watch out for pid_t */
+struct execstate
+ {
+ pid_t pid;
+ int subshell_env;
+ };
+
+
+/* Variables declared in execute_cmd.c, used by many other files */
+extern int return_catch_flag;
+extern int return_catch_value;
+extern volatile int last_command_exit_value;
+extern int last_command_exit_signal;
+extern int builtin_ignoring_errexit;
+extern int executing_builtin;
+extern int executing_list;
+extern int comsub_ignore_return;
+extern int subshell_level;
+extern int match_ignore_case;
+extern int executing_command_builtin;
+extern int funcnest, funcnest_max;
+extern int evalnest, evalnest_max;
+extern int sourcenest, sourcenest_max;
+extern int stdin_redir;
+extern int line_number_for_err_trap;
+
+extern char *the_printed_command_except_trap;
+
+extern char *this_command_name;
+extern SHELL_VAR *this_shell_function;
+
+/* Functions declared in execute_cmd.c, used by many other files */
+
+extern struct fd_bitmap *new_fd_bitmap PARAMS((int));
+extern void dispose_fd_bitmap PARAMS((struct fd_bitmap *));
+extern void close_fd_bitmap PARAMS((struct fd_bitmap *));
+extern int executing_line_number PARAMS((void));
+extern int execute_command PARAMS((COMMAND *));
+extern int execute_command_internal PARAMS((COMMAND *, int, int, int, struct fd_bitmap *));
+extern int shell_execve PARAMS((char *, char **, char **));
+extern void setup_async_signals PARAMS((void));
+extern void async_redirect_stdin PARAMS((void));
+
+extern void undo_partial_redirects PARAMS((void));
+extern void dispose_partial_redirects PARAMS((void));
+extern void dispose_exec_redirects PARAMS((void));
+
+extern int execute_shell_function PARAMS((SHELL_VAR *, WORD_LIST *));
+
+extern struct coproc *getcoprocbypid PARAMS((pid_t));
+extern struct coproc *getcoprocbyname PARAMS((const char *));
+
+extern void coproc_init PARAMS((struct coproc *));
+extern struct coproc *coproc_alloc PARAMS((char *, pid_t));
+extern void coproc_dispose PARAMS((struct coproc *));
+extern void coproc_flush PARAMS((void));
+extern void coproc_close PARAMS((struct coproc *));
+extern void coproc_closeall PARAMS((void));
+extern void coproc_reap PARAMS((void));
+extern pid_t coproc_active PARAMS((void));
+
+extern void coproc_rclose PARAMS((struct coproc *, int));
+extern void coproc_wclose PARAMS((struct coproc *, int));
+extern void coproc_fdclose PARAMS((struct coproc *, int));
+
+extern void coproc_checkfd PARAMS((struct coproc *, int));
+extern void coproc_fdchk PARAMS((int));
+
+extern void coproc_pidchk PARAMS((pid_t, int));
+
+extern void coproc_fdsave PARAMS((struct coproc *));
+extern void coproc_fdrestore PARAMS((struct coproc *));
+
+extern void coproc_setvars PARAMS((struct coproc *));
+extern void coproc_unsetvars PARAMS((struct coproc *));
+
+#if defined (PROCESS_SUBSTITUTION)
+extern void close_all_files PARAMS((void));
+#endif
+
+#if defined (ARRAY_VARS)
+extern void restore_funcarray_state PARAMS((struct func_array_state *));
+#endif
+
+#endif /* _EXECUTE_CMD_H_ */