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author | Per Bothner <per@bothner.com> | 1994-01-16 03:39:57 +0000 |
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committer | Per Bothner <per@bothner.com> | 1994-01-16 03:39:57 +0000 |
commit | 5e98bbab1738932aeeb251684bba6aa550f5885a (patch) | |
tree | e51fd93e8d56b82ea1e55ab8cece5ecb2c0af014 /readline/rldefs.h | |
parent | 8b564df836ca7baffe636c1a16658cdcb6388080 (diff) | |
download | gdb-5e98bbab1738932aeeb251684bba6aa550f5885a.zip gdb-5e98bbab1738932aeeb251684bba6aa550f5885a.tar.gz gdb-5e98bbab1738932aeeb251684bba6aa550f5885a.tar.bz2 |
Merge in changes from bash-1.13. The most obvious one is
that the file readline.c has been split into multiple files.
* bind.c, complete.c, dispay.c, isearch.c, parens.c, rldefs.h,
rltty.c, search.c signals.c, tilde.c, tilde.h, xmalloc.c: New files.
Diffstat (limited to 'readline/rldefs.h')
-rw-r--r-- | readline/rldefs.h | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/readline/rldefs.h b/readline/rldefs.h new file mode 100644 index 0000000..83411bc --- /dev/null +++ b/readline/rldefs.h @@ -0,0 +1,250 @@ +/* rldefs.h -- an attempt to isolate some of the system-specific defines + for readline. This should be included after any files that define + system-specific constants like _POSIX_VERSION or USG. */ + +/* Copyright (C) 1987,1989 Free Software Foundation, Inc. + + This file contains the Readline Library (the Library), a set of + routines for providing Emacs style line input to programs that ask + for it. + + The Library 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 1, or (at your option) + any later version. + + The Library 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. + + The GNU General Public License is often shipped with GNU software, and + is generally kept in a file called COPYING or LICENSE. If you do not + have a copy of the license, write to the Free Software Foundation, + 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if !defined (_RLDEFS_H) +#define _RLDEFS_H + +#if defined (__GNUC__) +# undef alloca +# define alloca __builtin_alloca +#else +# if defined (sparc) || defined (HAVE_ALLOCA_H) +# include <alloca.h> +# endif +#endif + +#define NEW_TTY_DRIVER +#define HAVE_BSD_SIGNALS +/* #define USE_XON_XOFF */ + +#ifdef __MSDOS__ +#undef NEW_TTY_DRIVER +#undef HAVE_BSD_SIGNALS +#endif + +#if defined (__linux__) +# include <termcap.h> +#endif /* __linux__ */ + +/* Some USG machines have BSD signal handling (sigblock, sigsetmask, etc.) */ +#if defined (USG) && !defined (hpux) +# undef HAVE_BSD_SIGNALS +#endif + +/* System V machines use termio. */ +#if !defined (_POSIX_VERSION) +# if defined (USG) || defined (hpux) || defined (Xenix) || defined (sgi) || defined (DGUX) +# undef NEW_TTY_DRIVER +# define TERMIO_TTY_DRIVER +# include <termio.h> +# if !defined (TCOON) +# define TCOON 1 +# endif +# endif /* USG || hpux || Xenix || sgi || DUGX */ +#endif /* !_POSIX_VERSION */ + +/* Posix systems use termios and the Posix signal functions. */ +#if defined (_POSIX_VERSION) +# if !defined (TERMIOS_MISSING) +# undef NEW_TTY_DRIVER +# define TERMIOS_TTY_DRIVER +# include <termios.h> +# endif /* !TERMIOS_MISSING */ +# define HAVE_POSIX_SIGNALS +# if !defined (O_NDELAY) +# define O_NDELAY O_NONBLOCK /* Posix-style non-blocking i/o */ +# endif /* O_NDELAY */ +#endif /* _POSIX_VERSION */ + +/* System V.3 machines have the old 4.1 BSD `reliable' signal interface. */ +#if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS) +# if defined (USGr3) +# if !defined (HAVE_USG_SIGHOLD) +# define HAVE_USG_SIGHOLD +# endif /* !HAVE_USG_SIGHOLD */ +# endif /* USGr3 */ +#endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */ + +/* Other (BSD) machines use sgtty. */ +#if defined (NEW_TTY_DRIVER) +# include <sgtty.h> +#endif + +/* Define _POSIX_VDISABLE if we are not using the `new' tty driver and + it is not already defined. It is used both to determine if a + special character is disabled and to disable certain special + characters. Posix systems should set to 0, USG systems to -1. */ +#if !defined (NEW_TTY_DRIVER) && !defined (_POSIX_VDISABLE) +# if defined (_POSIX_VERSION) +# define _POSIX_VDISABLE 0 +# else /* !_POSIX_VERSION */ +# define _POSIX_VDISABLE -1 +# endif /* !_POSIX_VERSION */ +#endif /* !NEW_TTY_DRIVER && !_POSIX_VDISABLE */ + +#if 1 +# define D_NAMLEN(d) strlen ((d)->d_name) +#else /* !1 */ + +#if !defined (SHELL) && (defined (_POSIX_VERSION) || defined (USGr3)) +# if !defined (HAVE_DIRENT_H) +# define HAVE_DIRENT_H +# endif /* !HAVE_DIRENT_H */ +#endif /* !SHELL && (_POSIX_VERSION || USGr3) */ + +#if defined (HAVE_DIRENT_H) +# include <dirent.h> +# if !defined (direct) +# define direct dirent +# endif /* !direct */ +# define D_NAMLEN(d) strlen ((d)->d_name) +#else /* !HAVE_DIRENT_H */ +# define D_NAMLEN(d) ((d)->d_namlen) +# if defined (USG) +# if defined (Xenix) +# include <sys/ndir.h> +# else /* !Xenix (but USG...) */ +# include "ndir.h" +# endif /* !Xenix */ +# else /* !USG */ +# include <sys/dir.h> +# endif /* !USG */ +#endif /* !HAVE_DIRENT_H */ +#endif /* !1 */ + +#if defined (USG) && defined (TIOCGWINSZ) && !defined (Linux) +# include <sys/stream.h> +# if defined (HAVE_SYS_PTEM_H) +# include <sys/ptem.h> +# endif /* HAVE_SYS_PTEM_H */ +# if defined (HAVE_SYS_PTE_H) +# include <sys/pte.h> +# endif /* HAVE_SYS_PTE_H */ +#endif /* USG && TIOCGWINSZ && !Linux */ + +/* Posix macro to check file in statbuf for directory-ness. + This requires that <sys/stat.h> be included before this test. */ +#if defined (S_IFDIR) && !defined (S_ISDIR) +#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) +#endif + +/* Decide which flavor of the header file describing the C library + string functions to include and include it. */ + +#if defined (USG) || defined (NeXT) +# if !defined (HAVE_STRING_H) +# define HAVE_STRING_H +# endif /* !HAVE_STRING_H */ +#endif /* USG || NeXT */ + +#if defined (HAVE_STRING_H) +# include <string.h> +#else /* !HAVE_STRING_H */ +# include <strings.h> +#endif /* !HAVE_STRING_H */ + +#if !defined (strchr) && !defined (__STDC__) +extern char *strchr (), *strrchr (); +#endif /* !strchr && !__STDC__ */ + +#if defined (HAVE_VARARGS_H) +# include <varargs.h> +#endif /* HAVE_VARARGS_H */ + +/* This definition is needed by readline.c, rltty.c, and signals.c. */ +/* If on, then readline handles signals in a way that doesn't screw. */ +#define HANDLE_SIGNALS + +#if !defined (emacs_mode) +# define no_mode -1 +# define vi_mode 0 +# define emacs_mode 1 +#endif + +/* Define some macros for dealing with assorted signalling disciplines. + + These macros provide a way to use signal blocking and disabling + without smothering your code in a pile of #ifdef's. + + SIGNALS_UNBLOCK; Stop blocking all signals. + + { + SIGNALS_DECLARE_SAVED (name); Declare a variable to save the + signal blocking state. + ... + SIGNALS_BLOCK (SIGSTOP, name); Block a signal, and save the previous + state for restoration later. + ... + SIGNALS_RESTORE (name); Restore previous signals. + } + +*/ + +#ifdef HAVE_POSIX_SIGNALS + /* POSIX signals */ + +#define SIGNALS_UNBLOCK \ + do { sigset_t set; \ + sigemptyset (&set); \ + sigprocmask (SIG_SETMASK, &set, (sigset_t *)NULL); \ + } while (0) + +#define SIGNALS_DECLARE_SAVED(name) sigset_t name + +#define SIGNALS_BLOCK(SIG, saved) \ + do { sigset_t set; \ + sigemptyset (&set); \ + sigaddset (&set, SIG); \ + sigprocmask (SIG_BLOCK, &set, &saved); \ + } while (0) + +#define SIGNALS_RESTORE(saved) \ + sigprocmask (SIG_SETMASK, &saved, (sigset_t *)NULL) + + +#else /* HAVE_POSIX_SIGNALS */ +#ifdef HAVE_BSD_SIGNALS + /* BSD signals */ + +#define SIGNALS_UNBLOCK sigsetmask (0) +#define SIGNALS_DECLARE_SAVED(name) int name +#define SIGNALS_BLOCK(SIG, saved) saved = sigblock (sigmask (SIG)) +#define SIGNALS_RESTORE(saved) sigsetmask (saved) + + +#else /* HAVE_BSD_SIGNALS */ + /* None of the Above */ + +#define SIGNALS_UNBLOCK /* nothing */ +#define SIGNALS_DECLARE_SAVED(name) /* nothing */ +#define SIGNALS_BLOCK(SIG, saved) /* nothing */ +#define SIGNALS_RESTORE(saved) /* nothing */ + + +#endif /* HAVE_BSD_SIGNALS */ +#endif /* HAVE_POSIX_SIGNALS */ + +/* End of signal handling definitions. */ +#endif /* !_RLDEFS_H */ |