[Emacs-diffs] Changes to emacs/src/s/ptx4.h [lexbind]

[Miles Bader]

Index: emacs/src/s/ptx4.h
diff -c /dev/null emacs/src/s/ptx4.h:1.6.18.1
*** /dev/null   Tue Oct 14 19:23:17 2003
--- emacs/src/s/ptx4.h  Tue Oct 14 19:22:53 2003
***************
*** 0 ****
--- 1,40 ----
+ /* s/ file for Sequent "ptx 4", which is a modified SVR5.4.  */
+ 
+ /* Tell usg5-4.h not to include filio.h.  */
+ #define NO_FILIO_H
+ 
+ #include "usg5-4.h"
+ 
+ /* Marcus Daniels <address@hidden> says that SIGINFO is defined
+    on ptx4 but it is not a signal.  Prevent process.c from doing the
+    wrong thing.  */
+ #define BROKEN_SIGINFO
+ 
+ /* address@hidden (Phil Ernhardt) says this correction to
+    the definition in usg5-4.h is needed to prevent
+    all asynchronous subprocesses from exiting right away.  */
+ 
+ /* James Youngman <address@hidden> found that on "DYNIX/ptx ARNIE 4.0
+  * V4.4.2 i386", the push of the ttcompat module would fail.  It seems
+  * that PTX 4.4.2 doesn't have that module, so if the push fails we
+  * don't kill ourselves.  While this version lacks ttcompat, it also
+  * has ptem, but the manual page for ptem indicates that it should
+  * be pushed onto the slave side before the line discipline module.
+  * See also the streampty manual page, if you're curious (and have
+  * a ptx system).
+  */
+ 
+ /* rms: I hope that older versions which do have ttcompat
+    will not get confused by the code to use ptem.  */
+ 
+ #undef SETUP_SLAVE_PTY
+ #define SETUP_SLAVE_PTY \
+   if (ioctl (xforkin, I_PUSH, "ptem") == -1 && errno != EINVAL) \
+     fatal ("ioctl I_PUSH ptem", errno);     \
+   if (ioctl (xforkin, I_PUSH, "ldterm") == -1)        \
+     fatal ("ioctl I_PUSH ldterm", errno);     \
+   if (ioctl (xforkin, I_PUSH, "ttcompat") == -1 && errno != EINVAL) \
+     fatal ("ioctl I_PUSH ttcompat", errno);
+ 
+ /* arch-tag: 14621824-8dca-432b-a97a-049fc4ce0e9f
+    (do not change this comment) */