X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fmain.c;h=1ad46a6b8ca3aa50c5da1b1af0d4ec8d6bf90f11;hb=3419642e0abdbd98b9d7718a5cdd499683d673cf;hp=2f17a69ed0d6933a3f2bfcbfdb374249cbc2f1b8;hpb=9678d8e116c5f9ae854b9f744ebf3f6aae85d16a;p=ppp.git

diff --git a/pppd/main.c b/pppd/main.c
index 2f17a69..1ad46a6 100644
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: main.c,v 1.41 1997/04/30 05:54:52 paulus Exp $";
+static char rcsid[] = "$Id: main.c,v 1.43 1997/11/27 06:09:20 paulus Exp $";
 #endif
 
 #include <stdio.h>
@@ -161,7 +161,7 @@ main(argc, argv)
     int argc;
     char *argv[];
 {
-    int i, nonblock, fdflags;
+    int i, fdflags;
     struct sigaction sa;
     FILE *pidfile;
     char *p;
@@ -453,7 +453,15 @@ main(argc, argv)
 	if (connector && connector[0]) {
 	    MAINDEBUG((LOG_INFO, "Connecting with <%s>", connector));
 
-	    /* set line speed, flow control, etc.; set CLOCAL for now */
+	    /*
+	     * Set line speed, flow control, etc.
+	     * On most systems we set CLOCAL for now so that we can talk
+	     * to the modem before carrier comes up.  But this has the
+	     * side effect that we might miss it if CD drops before we
+	     * get to clear CLOCAL below.  On systems where we can talk
+	     * successfully to the modem with CLOCAL clear and CD down,
+	     * we can clear CLOCAL at this point.
+	     */
 	    set_up_tty(ttyfd, 1);
 
 	    /* drop dtr to hang up in case modem is off hook */
@@ -469,6 +477,7 @@ main(argc, argv)
 		goto fail;
 	    }
 
+
 	    syslog(LOG_INFO, "Serial connection established.");
 	    sleep(1);		/* give it time to set up its terminal */
 	}
@@ -481,7 +490,7 @@ main(argc, argv)
 	    while ((i = open(devnam, O_RDWR)) < 0) {
 		if (errno != EINTR)
 		    syslog(LOG_ERR, "Failed to reopen %s: %m", devnam);
-		if (!persist || errno != EINTR)
+		if (!persist || errno != EINTR || hungup || kill_link)
 		    goto fail;
 	    }
 	    close(i);
@@ -577,7 +586,7 @@ main(argc, argv)
 	}
 
 	if (!persist)
-	    break;
+	    die(1);
 
 	if (demand)
 	    demand_discard();