new and cleaner version

[unix-history] / usr / src / sys / kern / tty_tty.c

diff --git a/usr/src/sys/kern/tty_tty.c b/usr/src/sys/kern/tty_tty.c
index 06a2503..6219079 100644 (file)
--- a/usr/src/sys/kern/tty_tty.c
+++ b/usr/src/sys/kern/tty_tty.c
@@ -1,7 +1,9 @@
-/*     tty_tty.c       4.3     81/03/09        */
+/*     tty_tty.c       4.4     81/10/11        */

 
 /*
  * Indirect driver for controlling tty.
 
 /*
  * Indirect driver for controlling tty.

+ *
+ * THIS IS GARBAGE: MUST SOON BE DONE WITH struct inode * IN PROC TABLE.

  */
 #include "../h/param.h"
 #include "../h/systm.h"
  */
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -55,3 +57,13 @@ caddr_t addr;
        }
        (*cdevsw[major(u.u_ttyd)].d_ioctl)(u.u_ttyd, cmd, addr, flag);
 }
        }
        (*cdevsw[major(u.u_ttyd)].d_ioctl)(u.u_ttyd, cmd, addr, flag);
 }

+
+syselect(dev, flag)
+{
+
+       if (u.u_procp->p_flag&SDETACH) {
+               u.u_error = ENXIO;
+               return;
+       }
+       (*cdevsw[major(u.u_ttyd)].d_select)(dev, flag);
+}