Initial revision

diff --git a/src/s/ptx4.h b/src/s/ptx4.h
new file mode 100644 (file)
index 0000000..e3d660b
--- /dev/null
+++ b/src/s/ptx4.h
@@ -0,0 +1,14 @@
+/* s/ file for Sequent "ptx 4", which is a modified SVR5.4.  */
+
+#include <s/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.  */
+#undef SIGINFO
+
+/* Marcus Daniels <marcus@sysc.pdx.edu> says vfork does exist.  */
+#define HAVE_VFORK
+
+/* Tell usg5-4.h not to include filio.h.  */
+#define NO_FILIO_H