rc-1.5b2 and SIGQUIT

[Jason Tyler <jason@itntl.bhp.com.au>]

On many platforms (at least Solaris, Linux, and OSF3.2), rc-1.5b2 dies
if it receives a SIGQUIT whilst inside rc_read(). Adding the following
code (which was removed sometime between 1.4 and 1.5b2) back into
fdgchar() fixes this:

*** input.c.old Tue Sep 30 14:27:28 1997
--- input.c     Tue Sep 30 15:07:15 1997
***************
*** 140,145 ****
--- 140,147 ----
                                long /*ssize_t*/ r = rc_read(istack->fd, inbuf + 2, BUFSIZE);
                                sigchk();
                                if (r < 0) {
+                                       if (errno == EINTR)
+                                               continue;
                                        uerror("read");
                                        rc_exit(1);
                                }

However, this may be bad; was the EINTR check taken out for a good
reason? If so, how else can I fix the problem?

j