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-rw-r--r--sig.h~139
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diff --git a/sig.h~ b/sig.h~
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-/* sig.h -- header file for signal handler definitions. */
-
-/* Copyright (C) 1994-2013 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/>.
-*/
-
-/* Make sure that this is included *after* config.h! */
-
-#if !defined (_SIG_H_)
-# define _SIG_H_
-
-#include "stdc.h"
-
-#if !defined (SIG_DFL)
-# include <signal.h>
-#endif
-
-#if !defined (SIGABRT) && defined (SIGIOT)
-# define SIGABRT SIGIOT
-#endif
-
-#define sighandler RETSIGTYPE
-typedef RETSIGTYPE SigHandler __P((int));
-
-#if defined (VOID_SIGHANDLER)
-# define SIGRETURN(n) return
-#else
-# define SIGRETURN(n) return(n)
-#endif /* !VOID_SIGHANDLER */
-
-/* Here is a definition for set_signal_handler () which simply expands to
- a call to signal () for non-Posix systems. The code for set_signal_handler
- in the Posix case resides in general.c. */
-#if !defined (HAVE_POSIX_SIGNALS)
-# define set_signal_handler(sig, handler) (SigHandler *)signal (sig, handler)
-#else
-extern SigHandler *set_signal_handler __P((int, SigHandler *)); /* in sig.c */
-#endif /* _POSIX_VERSION */
-
-#if !defined (SIGCHLD) && defined (SIGCLD)
-# define SIGCHLD SIGCLD
-#endif
-
-#if !defined (HAVE_POSIX_SIGNALS) && !defined (sigmask)
-# define sigmask(x) (1 << ((x)-1))
-#endif /* !HAVE_POSIX_SIGNALS && !sigmask */
-
-#if !defined (HAVE_POSIX_SIGNALS)
-# if !defined (SIG_BLOCK)
-# define SIG_BLOCK 2
-# define SIG_SETMASK 3
-# endif /* SIG_BLOCK */
-
-/* sigset_t defined in config.h */
-
-/* Make sure there is nothing inside the signal set. */
-# define sigemptyset(set) (*(set) = 0)
-
-/* Initialize the signal set to hold all signals. */
-# define sigfillset(set) (*set) = sigmask (NSIG) - 1
-
-/* Add SIG to the contents of SET. */
-# define sigaddset(set, sig) *(set) |= sigmask (sig)
-
-/* Delete SIG from signal set SET. */
-# define sigdelset(set, sig) *(set) &= ~sigmask (sig)
-
-/* Is SIG a member of the signal set SET? */
-# define sigismember(set, sig) ((*(set) & sigmask (sig)) != 0)
-
-/* Suspend the process until the reception of one of the signals
- not present in SET. */
-# define sigsuspend(set) sigpause (*(set))
-#endif /* !HAVE_POSIX_SIGNALS */
-
-/* These definitions are used both in POSIX and non-POSIX implementations. */
-
-#define BLOCK_SIGNAL(sig, nvar, ovar) \
-do { \
- sigemptyset (&nvar); \
- sigaddset (&nvar, sig); \
- sigemptyset (&ovar); \
- sigprocmask (SIG_BLOCK, &nvar, &ovar); \
-} while (0)
-
-#define UNBLOCK_SIGNAL(ovar) sigprocmask (SIG_SETMASK, &ovar, (sigset_t *) NULL)
-
-#if defined (HAVE_POSIX_SIGNALS)
-# define BLOCK_CHILD(nvar, ovar) BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
-# define UNBLOCK_CHILD(ovar) UNBLOCK_SIGNAL(ovar)
-#else /* !HAVE_POSIX_SIGNALS */
-# define BLOCK_CHILD(nvar, ovar) ovar = sigblock (sigmask (SIGCHLD))
-# define UNBLOCK_CHILD(ovar) sigsetmask (ovar)
-#endif /* !HAVE_POSIX_SIGNALS */
-
-/* Extern variables */
-extern sig_atomic_t sigwinch_received;
-extern sig_atomic_t sigterm_received;
-
-extern int interrupt_immediately;
-extern int terminate_immediately;
-
-/* Functions from sig.c. */
-extern sighandler termsig_sighandler __P((int));
-extern void termsig_handler __P((int));
-extern sighandler sigint_sighandler __P((int));
-extern void initialize_signals __P((int));
-extern void initialize_terminating_signals __P((void));
-extern void reset_terminating_signals __P((void));
-extern void top_level_cleanup __P((void));
-extern void throw_to_top_level __P((void));
-extern void jump_to_top_level __P((int)) __attribute__((__noreturn__));
-
-extern sighandler sigwinch_sighandler __P((int));
-extern void set_sigwinch_handler __P((void));
-extern void unset_sigwinch_handler __P((void));
-
-extern sighandler sigterm_sighandler __P((int));
-
-/* Functions defined in trap.c. */
-extern SigHandler *set_sigint_handler __P((void));
-extern SigHandler *trap_to_sighandler __P((int));
-extern sighandler trap_handler __P((int));
-
-#endif /* _SIG_H_ */