X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fsys-svr4.c;h=08a2a01fd46599a338e7c527e6c91c31f92dcd87;hp=20545a7fb79a575b5cba05d2ebdd7275ad3a0d0a;hb=cbaae8cca6a6377163a2b3ecbbfde1a0a2620bf7;hpb=5da8d0e22703b3512673e057fffe670ca9f958df

diff --git a/pppd/sys-svr4.c b/pppd/sys-svr4.c
index 20545a7..08a2a01 100644
--- a/pppd/sys-svr4.c
+++ b/pppd/sys-svr4.c
@@ -26,7 +26,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-svr4.c,v 1.3 1995/06/23 01:54:11 paulus Exp $";
+static char rcsid[] = "$Id: sys-svr4.c,v 1.4 1995/08/10 06:53:39 paulus Exp $";
 #endif
 
 #include <stdio.h>
@@ -37,6 +37,7 @@ static char rcsid[] = "$Id: sys-svr4.c,v 1.3 1995/06/23 01:54:11 paulus Exp $";
 #include <fcntl.h>
 #include <unistd.h>
 #include <termios.h>
+#include <signal.h>
 #include <sys/types.h>
 #include <sys/ioccom.h>
 #include <sys/stream.h>
@@ -63,6 +64,7 @@ static int	ipmuxid = -1;
 
 static int	restore_term;
 static struct termios inittermios;
+static pid_t	tty_sid;	/* original session ID for terminal */
 
 static int	link_mtu, link_mru;
 
@@ -145,6 +147,9 @@ establish_ppp()
 {
     int i, ifd;
 
+    if (default_device)
+	tty_sid = getsid((pid_t)0);
+
     pppfd = open("/dev/ppp", O_RDWR | O_NONBLOCK, 0);
     if (pppfd < 0) {
 	syslog(LOG_ERR, "Can't open /dev/ppp: %m");
@@ -227,6 +232,16 @@ disestablish_ppp()
 		    syslog(LOG_ERR, "Couldn't restore tty module %s: %m",
 			   tty_modules[i]);
 	}
+	if (hungup && default_device && tty_sid > 0) {
+	    /*
+	     * If we have received a hangup, we need to send a SIGHUP
+	     * to the terminal's controlling process.  The reason is
+	     * that the original stream head for the terminal hasn't
+	     * seen the M_HANGUP message (it went up through the ppp
+	     * driver to the stream head for our fd to /dev/ppp).
+	     */
+	    kill(tty_sid, SIGHUP);
+	}
     }
 }
 
@@ -1162,7 +1177,7 @@ gethostid()
 	syslog(LOG_ERR, "sysinfo: %m");
 	return 0;
     }
-    return strtol(buf, NULL, 16);
+    return (int) strtoul(buf, NULL, 16);
 }
 
 int