new signals

SCCS-vsn: usr.bin/ex/ex_vget.c 6.4

diff --git a/usr/src/usr.bin/ex/ex_vget.c b/usr/src/usr.bin/ex/ex_vget.c
index 5640277..08fc010 100644 (file)
--- a/usr/src/usr.bin/ex/ex_vget.c
+++ b/usr/src/usr.bin/ex/ex_vget.c
@@ -1,5 +1,5 @@
 /* Copyright (c) 1981 Regents of the University of California */
 /* Copyright (c) 1981 Regents of the University of California */

-static char *sccsid = "@(#)ex_vget.c   6.3 %G%";
+static char *sccsid = "@(#)ex_vget.c   6.4 %G%";

 #include "ex.h"
 #include "ex_tty.h"
 #include "ex_vis.h"
 #include "ex.h"
 #include "ex_tty.h"
 #include "ex_vis.h"


@@ -48,6 +48,7 @@ peekbr()
 }
 
 short  precbksl;
 }
 
 short  precbksl;

+jmp_buf        readbuf;

 
 /*
  * Get a keystroke, including a ^@.
 
 /*
  * Get a keystroke, including a ^@.


@@ -102,6 +103,8 @@ getATTN:
        }
        flusho();
 again:
        }
        flusho();
 again:

+       if (setjmp(readbuf))
+               goto getATTN;

        if ((c=read(slevel == 0 ? 0 : ttyindes, &ch, 1)) != 1) {
                if (errno == EINTR)
                        goto getATTN;
        if ((c=read(slevel == 0 ? 0 : ttyindes, &ch, 1)) != 1) {
                if (errno == EINTR)
                        goto getATTN;