mirror of https://github.com/n-hys/bash.git
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* trap.h -- data structures used in the trap mechanism. */
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/* Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with Bash; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (_TRAP_H_)
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#define _TRAP_H_
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#include "stdc.h"
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#if !defined (SIG_DFL)
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#include "bashtypes.h"
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#include <signal.h>
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#endif /* SIG_DFL */
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#if !defined (NSIG)
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#define NSIG 64
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#endif /* !NSIG */
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#define NO_SIG -1
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#define DEFAULT_SIG SIG_DFL
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#define IGNORE_SIG SIG_IGN
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/* Special shell trap names. */
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#define DEBUG_TRAP NSIG
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#define EXIT_TRAP 0
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#define signal_object_p(x) (decode_signal (x) != NO_SIG)
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extern char *trap_list[];
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/* Externally-visible functions declared in trap.c. */
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extern void initialize_traps __P((void));
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extern void run_pending_traps __P((void));
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extern void maybe_set_sigchld_trap __P((char *));
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extern void set_sigchld_trap __P((char *));
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extern void set_debug_trap __P((char *));
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extern void set_sigint_trap __P((char *));
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extern void set_signal __P((int, char *));
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extern void restore_default_signal __P((int));
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extern void ignore_signal __P((int));
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extern int run_exit_trap __P((void));
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extern void run_trap_cleanup __P((int));
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extern void run_debug_trap __P((void));
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extern void free_trap_strings __P((void));
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extern void reset_signal_handlers __P((void));
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extern void restore_original_signals __P((void));
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extern char *signal_name __P((int));
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extern int decode_signal __P((char *));
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extern void run_interrupt_trap __P((void));
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extern int maybe_call_trap_handler __P((int));
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extern int signal_is_trapped __P((int));
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extern int signal_is_ignored __P((int));
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extern int signal_is_special __P((int));
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extern void set_signal_ignored __P((int));
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#endif /* _TRAP_H_ */
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