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-rw-r--r--gnu/usr.bin/texinfo/info/signals.h85
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diff --git a/gnu/usr.bin/texinfo/info/signals.h b/gnu/usr.bin/texinfo/info/signals.h
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--- a/gnu/usr.bin/texinfo/info/signals.h
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-/* signals.h -- Header to include system dependent signal definitions. */
-
-/* This file is part of GNU Info, a program for reading online documentation
- stored in Info format.
-
- Copyright (C) 1993 Free Software Foundation, Inc.
-
- This program 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 2, or (at your option)
- any later version.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Written by Brian Fox (bfox@ai.mit.edu). */
-
-#ifndef _SIGNALS_H_
-#define _SIGNALS_H_
-
-#include <signal.h>
-
-#define HAVE_SIGSETMASK
-
-#if !defined (_POSIX_VERSION) && !defined (sigmask)
-# define sigmask(x) (1 << ((x)-1))
-#endif /* !POSIX && !sigmask */
-
-#if !defined (_POSIX_VERSION)
-# if !defined (SIG_BLOCK)
-# define SIG_UNBLOCK 1
-# define SIG_BLOCK 2
-# define SIG_SETMASK 3
-# endif /* SIG_BLOCK */
-
-/* Type of a signal set. */
-# define sigset_t int
-
-/* Make SET have no signals in it. */
-# define sigemptyset(set) (*(set) = (sigset_t)0x0)
-
-/* Make SET have the full range of signal specifications possible. */
-# define sigfillset(set) (*(set) = (sigset_t)0xffffffffff)
-
-/* Add SIG to the contents of SET. */
-# define sigaddset(set, sig) *(set) |= sigmask (sig)
-
-/* Delete SIG from the contents of SET. */
-# define sigdelset(set, sig) *(set) &= ~(sigmask (sig))
-
-/* Tell if SET contains SIG. */
-# define sigismember(set, sig) (*(set) & (sigmask (sig)))
-
-/* Suspend the process until the reception of one of the signals
- not present in SET. */
-# define sigsuspend(set) sigpause (*(set))
-#endif /* !_POSIX_VERSION */
-
-/* These definitions are used both in POSIX and non-POSIX implementations. */
-
-#define BLOCK_SIGNAL(sig) \
- do { \
- sigset_t nvar, ovar; \
- sigemptyset (&nvar); \
- sigemptyset (&ovar); \
- sigaddset (&nvar, sig); \
- sigprocmask (SIG_BLOCK, &nvar, &ovar); \
- } while (0)
-
-#define UNBLOCK_SIGNAL(sig) \
- do { \
- sigset_t nvar, ovar; \
- sigemptyset (&ovar); \
- sigemptyset (&nvar); \
- sigaddset (&nvar, sig); \
- sigprocmask (SIG_UNBLOCK, &nvar, &ovar); \
- } while (0)
-
-#endif /* !_SIGNALS_H_ */
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