X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fsystty.h;h=6494003edbcd95111875d6e1b21d6bbe3d65b5e8;hb=c54ef31ffa4870924c0ea0c86b7e1b952934e51c;hp=7251557c20125d8edd635d3ad1c8f9c239e7cb78;hpb=77dcef404dc78635f6ffa8f71a803d2bc7cc8921;p=chise%2Fxemacs-chise.git.1

diff --git a/src/systty.h b/src/systty.h
index 7251557..6494003 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -20,8 +20,8 @@ Boston, MA 02111-1307, USA.  */
 
 /* Synched up with: FSF 19.30. */
 
-#ifndef _XEMACS_SYSTTY_H_
-#define _XEMACS_SYSTTY_H_
+#ifndef INCLUDED_systty_h_
+#define INCLUDED_systty_h_
 
 #ifdef HAVE_TERMIOS
 # define HAVE_TCATTR
@@ -94,9 +94,9 @@ Boston, MA 02111-1307, USA.  */
 #  include <fcntl.h>
 # endif
 
-#elif defined (DOS_NT)
+#elif defined (WIN32_NATIVE)
 
-/*****             (3) The MSDOS/NT way              *****/
+/*****             (3) The WIN32_NATIVE way              *****/
 
 /* Nothing doing */
 
@@ -124,7 +124,7 @@ Boston, MA 02111-1307, USA.  */
 /* Generally useful to include this file: */
 
 /* But Sun OS has broken include files and doesn't want it included */
-#if !defined (DOS_NT) && !defined (WIN32) && !defined (SUNOS4)
+#if !defined (WIN32_NATIVE) && !defined (SUNOS4)
 # include <sys/ioctl.h>
 #endif
 /* UNIPLUS systems may have FIONREAD.  */
@@ -181,10 +181,6 @@ Boston, MA 02111-1307, USA.  */
 /* ----------------------------------------------------- */
 
 
-#ifdef APOLLO
-#undef TIOCSTART
-#endif
-
 #if defined (XENIX) || defined (BROKEN_TIOCGETC)
 #undef TIOCGETC  /* Avoid confusing some conditionals that test this.  */
 #endif
@@ -250,55 +246,34 @@ Boston, MA 02111-1307, USA.  */
 /*       Manipulate a terminal's current (foreground) process group     */
 /* -------------------------------------------------------------------- */
 
-/* EMACS_HAVE_TTY_PGRP is true if we can get and set the tty's current
-   controlling process group.
-
-   EMACS_GET_TTY_PGRP(int FD, int *PGID) sets *PGID the terminal FD's
-   current process group.  Return -1 if there is an error.
-
-   EMACS_SET_TTY_PGRP(int FD, int *PGID) sets the terminal FD's
-   current process group to *PGID.  Return -1 if there is an error.  */
+/* EMACS_GET_TTY_PGRP(int FD, pid_t *PGID) sets *PGID to the terminal
+   FD's current foreground process group.  Return -1 if there is an error.
 
-/* HPUX tty process group stuff doesn't work, says the anonymous voice
-   from the past.  */
-/* But HPUX people say it does, so I've removed it.  --ben */
-# ifdef TIOCGPGRP
-#  define EMACS_HAVE_TTY_PGRP
-# else
-#  ifdef HAVE_TERMIOS
-#   define EMACS_HAVE_TTY_PGRP
-#  endif
-# endif
+   EMACS_SET_TTY_PGRP(int FD, pid_t *PGID) sets the terminal FD's current
+   foreground process group to *PGID.  Return -1 if there is an error.
 
-#ifdef EMACS_HAVE_TTY_PGRP
+   We prefer using the ioctl (BSD) interface instead of its Posix
+   replacement tgetpgrp/tcsetpgrp since that is documented as being
+   restricted to processes sharing the same controlling tty. */
 
-#if defined (HAVE_TERMIOS) && ! defined (BSD_TERMIOS)
+#if defined (TIOCGPGRP)
 
-/* Resist the urge to insert needless extra parentheses. */
-#define EMACS_GET_TTY_PGRP(fd, pgid) (*(pgid) = tcgetpgrp (fd))
-#define EMACS_SET_TTY_PGRP(fd, pgid) tcsetpgrp (fd, *(pgid))
+#define EMACS_GET_TTY_PROCESS_GROUP(fd, pgid) ioctl (fd, TIOCGPGRP, pgid)
+#define EMACS_SET_TTY_PROCESS_GROUP(fd, pgid) ioctl (fd, TIOCSPGRP, pgid)
 
-#elif defined (TIOCSPGRP)
+#elif defined (HAVE_TCGETPGRP)
 
-#define EMACS_GET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCGPGRP, (pgid)))
-#define EMACS_SET_TTY_PGRP(fd, pgid) (ioctl ((fd), TIOCSPGRP, (pgid)))
+#define EMACS_GET_TTY_PROCESS_GROUP(fd, pgid) (*(pgid) = tcgetpgrp (fd))
+#define EMACS_SET_TTY_PROCESS_GROUP(fd, pgid) tcsetpgrp (fd, *(pgid))
 
-#endif
-
-#endif /* EMACS_HAVE_TTY_PGRP */
-
-#ifndef EMACS_GET_TTY_PGRP
+#else
 
 /* Just ignore this for now and hope for the best */
-#define EMACS_GET_TTY_PGRP(fd, pgid) 0
-#define EMACS_SET_TTY_PGRP(fd, pgif) 0
+#define EMACS_GET_TTY_PROCESS_GROUP(fd, pgid) 0
+#define EMACS_SET_TTY_PROCESS_GROUP(fd, pgif) 0
 
 #endif
 
-/* XEmacs interim backward-compatibility */
-#define EMACS_GET_TTY_PROCESS_GROUP EMACS_GET_TTY_PGRP
-#define EMACS_SET_TTY_PROCESS_GROUP EMACS_SET_TTY_PGRP
-
 /* EMACS_GETPGRP (arg) returns the process group of the terminal.  */
 
 #ifdef GETPGRP_VOID
@@ -337,6 +312,8 @@ Boston, MA 02111-1307, USA.  */
    No big loss -- it just means that ^Z won't work right
    if we're run from sh. */
 #  define EMACS_SET_PROCESS_GROUP(pg)
+#elif defined(MINGW)
+#  define EMACS_SEPARATE_PROCESS_GROUP()
 #else
 /* Under NeXTstep, a process group of 0 is not the same as specifying
    your own process ID, so we go ahead and specify it explicitly. */
@@ -356,11 +333,11 @@ Boston, MA 02111-1307, USA.  */
    emacs_tty should contain an element for each parameter struct
    that Emacs may change.
 
-   EMACS_GET_TTY (int FD, struct emacs_tty *P) stores the parameters
+   emacs_get_tty (int FD, struct emacs_tty *P) stores the parameters
    of the tty on FD in *P.  Return zero if all's well, or -1 if we ran
    into an error we couldn't deal with.
 
-   EMACS_SET_TTY (int FD, struct emacs_tty *P, int flushp)
+   emacs_set_tty (int FD, struct emacs_tty *P, int flushp)
    sets the parameters of the tty on FD according to the contents of
    *P.  If flushp is non-zero, we discard queued input to be
    written before making the change.
@@ -386,11 +363,11 @@ struct emacs_tty {
 #ifdef HAVE_TERMIO
   struct termio main;
 #else /* !HAVE_TERMIO */
-#ifdef DOS_NT
+#ifdef WIN32_NATIVE
   int main;
-#else  /* not DOS_NT */
+#else  /* not WIN32_NATIVE */
   struct sgttyb main;
-#endif /* not DOS_NT */
+#endif /* not WIN32_NATIVE */
 #endif /* !HAVE_TERMIO */
 #endif /* !HAVE_TCATTR */
 
@@ -407,15 +384,9 @@ struct emacs_tty {
 #endif /* HAVE_TCHARS */
 #endif /* HAVE_TERMIOS */
 };
-
-/* Define EMACS_GET_TTY and EMACS_SET_TTY,
-   the macros for reading and setting parts of `struct emacs_tty'.
 
-   These got pretty unmanageable (huge macros are hard to debug), and
-   finally needed some code which couldn't be done as part of an
-   expression, so we moved them out to their own functions in sysdep.c.  */
-#define EMACS_GET_TTY(fd, p)        emacs_get_tty (fd, p)
-#define EMACS_SET_TTY(fd, p, waitp) emacs_set_tty (fd, p, waitp)
+int emacs_get_tty (int fd, struct emacs_tty *settings);
+int emacs_set_tty (int fd, struct emacs_tty *settings, int flushp);
 
 
 /* --------------------------------------------------------- */
@@ -436,13 +407,13 @@ struct emacs_tty {
 #define EMACS_TTY_TABS_OK(p) (((p)->main.c_oflag & TABDLY) != TAB3)
 
 #else /* neither HAVE_TERMIO nor HAVE_TERMIOS */
-#ifdef DOS_NT
+#ifdef WIN32_NATIVE
 #define EMACS_TTY_TABS_OK(p) 0
-#else /* not DOS_NT */
+#else /* not WIN32_NATIVE */
 #define EMACS_TTY_TABS_OK(p) (((p)->main.sg_flags & XTABS) != XTABS)
-#endif /* not DOS_NT */
+#endif /* not WIN32_NATIVE */
 
 #endif /* not def HAVE_TERMIO */
 #endif /* not def HAVE_TERMIOS */
 
-#endif /* _XEMACS_SYSTTY_H_ */
+#endif /* INCLUDED_systty_h_ */