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/* 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 <marcus@sysc.pdx.edu> says that SIGINFO is defined
on ptx4 but it is not a signal. Prevent process.c from doing the
wrong thing. */
#define BROKEN_SIGINFO
/* pae@dim.com (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 <jay@gnu.org> 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) */
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