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NetBSD/gnu/dist/texinfo/info/signals.h
wiz ccaa2ac97b Import of texinfo-4.7, as prepared by texinfo2netbsd. 
Changes since 4.6:

4.7 (9 April 2004)
* Language:
  . new commands @float, @caption, @shortcaption, @listoffloats for
    initial implementation of floating material (figures, tables, etc).
    Ironically, they do not yet actually float anywhere.
  . new commands @docbook, @ifdocbook, @ifnotdocbook for conditional Docbook.
  . new commands @ordf{} and @ordm{} for Spanish feminine/masculine ordinals.
  . new commands @deftypecv[x] for class variables in typed OO languages.
  . new command @registeredsymbol for the r-in-a-circle symbol.
  . new command @headitem to make a heading row in @multitable.
  . new command @LaTeX{} for the LaTeX logo.
  . new command @comma{} to avoid comma-parsing problems.
  . @url is now a synonym for @uref; new command @indicateurl has the
    old meaning of just displaying a url as text.
  . @quotation now accepts an optional argument for labelling the text
      as a `Note', `Tip', etc.
  . @defun (et al.) heading lines can now be continued with a lone @.
  . @acronym accepts an optional argument for the meaning of the acronym.
* makeinfo:
  . New environment variable TEXINFO_OUTPUT_FORMAT determines the output
    format at runtime, if no options are specified.
  . New option --plaintext, equivalent to --no-headers with Info output.
  . All outputs:
    - sections are numbered by default.
  . Info output:
    - punctuation is inserted after @pxref and @ref, if needed to make
      cross-references valid.
    - line numbers included in index menus, so Info readers can go to
      the exact line of an entry, not just a node.  Also in plaintext output.
    - ^@^H[index^@^H] cookie included in index menus, so Info readers
      can handle the ] etc. commands better.
  . HTML output:
    - new algorithm for cross-references to other manuals, for maximum
      portability and stability.
    - include node name in <title> with split output.
    - @multicolumn fractions become percentages.
    - entities used for bullets, quotes, dashes, and others.
    - index entries are links to the exact locations.
    - <h4> and <h5> used for @sub and @subsubsections again.
    - accented dotless i supported.
  . XML output: many new tags and structure to preserve more source features.
  . Docbook output:
    - upgraded DTD to Docbook XML 4.2, no longer using Docbook SGML.
    - improved translation in general, for instance:
    - line annotations and marked quotations.
* texi2dvi:
  . if available, use etex (pdfetex if --pdf) by default.
  . if the input file includes thumbpdf.sty (for LaTeX), then run thumbpdf.
  . more output if --debug.
* texinfo.tex:
  . @defun names are now printed in typewriter (instead of bold), and
    within the arguments, @var text is printed in slanted typewriter.
  . @tex code is executed inside a TeX group, so that any changes must
    be prefixed with \global (or the equivalent) to be effective.  (This
    change was actually made years ago, but never made it into the NEWS.)
* info:
  . new option --where (aka --location, -w) to report where an Info file
    would be found, instead of reading it.
  . by default, output ANSI terminal escape sequences as-is; new option
    --no-raw-escapes overrides this.
  . use the newly-generated index line numbers.
* Distribution:
  . new script gendocs.sh (not installed), for use by GNU maintainers in
    getting their manuals on the GNU web site.  Documented in
    maintain.texi (http://www.gnu.org/prep/maintain_toc.html).
  . Most code uses ANSI C prototypes, to some extent.
  . New translation: nb.
  . automake 1.8.3, autoconf 2.59, gettext 0.14.1.
2004-07-12 23:26:33 +00:00

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/* $NetBSD: signals.h,v 1.1.1.3 2004/07/12 23:26:53 wiz Exp $ */
/* signals.h -- header to include system dependent signal definitions.
Id: signals.h,v 1.2 2004/03/20 01:44:23 karl Exp
Copyright (C) 1993, 1994, 1995, 1997, 2002, 2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Originally written by Brian Fox (bfox@ai.mit.edu). */
#ifndef INFO_SIGNALS_H
#define INFO_SIGNALS_H
#include <sys/types.h>
#include <signal.h>
/* For sysV68 --phdm@info.ucl.ac.be. */
#if !defined (SIGCHLD) && defined (SIGCLD)
#define SIGCHLD SIGCLD
#endif
#if !defined (HAVE_SIGPROCMASK) && !defined (sigmask)
# define sigmask(x) (1 << ((x)-1))
#endif /* !HAVE_SIGPROCMASK && !sigmask */
/* Without SA_NOCLDSTOP, sigset_t might end up being undefined even
though we have sigprocmask, on older systems, according to Nelson
Beebe. The test is from coreutils/sort.c, via Paul Eggert. */
#if !defined (HAVE_SIGPROCMASK) || !defined (SA_NOCLDSTOP)
# 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 /* !HAVE_SIGPROCMASK */
#if defined (HAVE_SIGPROCMASK) || defined (HAVE_SIGSETMASK)
/* 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)
#else /* !HAVE_SIGPROCMASK && !HAVE_SIGSETMASK */
# define BLOCK_SIGNAL(sig)
# define UNBLOCK_SIGNAL(sig)
#endif /* !HAVE_SIGPROCMASK && !HAVE_SIGSETMASK */
#endif /* not INFO_SIGNALS_H */
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