Adding upstream version 5.2.15.upstream/5.2.15upstream

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

1 files changed, 129 insertions, 0 deletions

diff --git a/trap.h b/trap.h
new file mode 100644
index 0000000..89402a1
--- /dev/null
+++ b/trap.h
@@ -0,0 +1,129 @@
+/* trap.h -- data structures used in the trap mechanism. */
+
+/* Copyright (C) 1993-2021 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/>.
+*/
+
+#if !defined (_TRAP_H_)
+#define _TRAP_H_
+
+#include "stdc.h"
+
+#if !defined (SIG_DFL)
+#include "bashtypes.h"
+#include <signal.h>
+#endif /* SIG_DFL */
+
+#if !defined (NSIG)
+#define NSIG 64
+#endif /* !NSIG */
+
+#define NO_SIG -1
+#define DEFAULT_SIG	SIG_DFL
+#define IGNORE_SIG	SIG_IGN
+
+/* Special shell trap names. */
+#define DEBUG_TRAP	NSIG
+#define ERROR_TRAP	NSIG+1
+#define RETURN_TRAP	NSIG+2
+#define EXIT_TRAP 	0
+
+/* system signals plus special bash traps */
+#define BASH_NSIG	NSIG+3
+
+/* Flags values for decode_signal() */
+#define DSIG_SIGPREFIX	0x01		/* don't allow `SIG' PREFIX */
+#define DSIG_NOCASE	0x02		/* case-insensitive comparison */
+
+/* A value which can never be the target of a trap handler. */
+#define IMPOSSIBLE_TRAP_HANDLER (SigHandler *)initialize_traps
+
+#define signal_object_p(x,f) (decode_signal (x,f) != NO_SIG)
+
+#define TRAP_STRING(s) \
+  (signal_is_trapped (s) && signal_is_ignored (s) == 0) ? trap_list[s] \
+							: (char *)NULL
+
+extern char *trap_list[];
+
+extern int trapped_signal_received;
+extern int wait_signal_received;
+extern int running_trap;
+extern int trap_saved_exit_value;
+extern int suppress_debug_trap_verbose;
+
+/* Externally-visible functions declared in trap.c. */
+extern void initialize_traps PARAMS((void));
+
+extern void run_pending_traps PARAMS((void));
+
+extern void queue_sigchld_trap PARAMS((int));
+extern void maybe_set_sigchld_trap PARAMS((char *));
+extern void set_impossible_sigchld_trap PARAMS((void));
+extern void set_sigchld_trap PARAMS((char *));
+
+extern void set_debug_trap PARAMS((char *));
+extern void set_error_trap PARAMS((char *));
+extern void set_return_trap PARAMS((char *));
+
+extern void maybe_set_debug_trap PARAMS((char *));
+extern void maybe_set_error_trap PARAMS((char *));
+extern void maybe_set_return_trap PARAMS((char *));
+
+extern void set_sigint_trap PARAMS((char *));
+extern void set_signal PARAMS((int, char *));
+
+extern void restore_default_signal PARAMS((int));
+extern void ignore_signal PARAMS((int));
+extern int run_exit_trap PARAMS((void));
+extern void run_trap_cleanup PARAMS((int));
+extern int run_debug_trap PARAMS((void));
+extern void run_error_trap PARAMS((void));
+extern void run_return_trap PARAMS((void));
+
+extern void free_trap_strings PARAMS((void));
+extern void reset_signal_handlers PARAMS((void));
+extern void restore_original_signals PARAMS((void));
+extern void restore_traps PARAMS((void));
+
+extern void get_original_signal PARAMS((int));
+extern void get_all_original_signals PARAMS((void));
+
+extern char *signal_name PARAMS((int));
+
+extern int decode_signal PARAMS((char *, int));
+extern void run_interrupt_trap PARAMS((int));
+extern int maybe_call_trap_handler PARAMS((int));
+extern int signal_is_special PARAMS((int));
+extern int signal_is_trapped PARAMS((int));
+extern int signal_is_pending PARAMS((int));
+extern int signal_is_ignored PARAMS((int));
+extern int signal_is_hard_ignored PARAMS((int));
+extern void set_signal_hard_ignored PARAMS((int));
+extern void set_signal_ignored PARAMS((int));
+extern int signal_in_progress PARAMS((int));
+
+extern void set_trap_state PARAMS((int));
+
+extern int next_pending_trap PARAMS((int));
+extern int first_pending_trap PARAMS((void));
+extern void clear_pending_traps PARAMS((void));
+extern int any_signals_trapped PARAMS((void));
+extern void check_signals PARAMS((void));
+extern void check_signals_and_traps PARAMS((void));
+
+#endif /* _TRAP_H_ */