X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fsys-sunos4.c;h=00f2ec521f5001006c091d7fa96970e84f361b07;hb=b18e8ba1f8883d9558a7dcbef89e632a02a4071e;hp=60493fed26df855811ce6777c566d2196b79434e;hpb=e8be982dbc5c6c50dfc9f66737867570c8ed4973;p=ppp.git

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index 60493fe..00f2ec5 100644
--- a/pppd/sys-sunos4.c
+++ b/pppd/sys-sunos4.c
@@ -25,9 +25,7 @@
  * OR MODIFICATIONS.
  */
 
-#ifndef lint
-static char rcsid[] = "$Id: sys-sunos4.c,v 1.20 1999/04/12 06:24:51 paulus Exp $";
-#endif
+#define RCSID	"$Id: sys-sunos4.c,v 1.26 2001/03/12 22:59:00 paulus Exp $"
 
 #include <stdio.h>
 #include <stddef.h>
@@ -67,6 +65,8 @@ extern void *alloca();
 #endif
 #endif /*sparc*/
 
+static const char rcsid[] = RCSID;
+
 static int	pppfd;
 static int	fdmuxid = -1;
 static int	iffd;
@@ -239,10 +239,10 @@ ppp_available()
 }
 
 /*
- * establish_ppp - Turn the serial port into a ppp interface.
+ * tty_establish_ppp - Turn the serial port into a ppp interface.
  */
 int
-establish_ppp(fd)
+tty_establish_ppp(fd)
     int fd;
 {
     int i;
@@ -267,22 +267,13 @@ establish_ppp(fd)
     return pppfd;
 }
 
-/*
- * restore_loop - reattach the ppp unit to the loopback.
- * This doesn't need to do anything because disestablish_ppp does it.
- */
-void
-restore_loop()
-{
-}
-
 /*
  * disestablish_ppp - Restore the serial port to normal operation.
  * It attempts to reconstruct the stream with the previously popped
  * modules.  This shouldn't call die() because it's called from die().
  */
 void
-disestablish_ppp(fd)
+tty_disestablish_ppp(fd)
     int fd;
 {
     int i;
@@ -614,8 +605,13 @@ wait_input(timo)
     int t;
 
     t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
-    if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR)
-	fatal("poll: %m");
+    if (poll(pollfds, n_pollfds, t) < 0 && errno != EINTR) {
+	if (errno != EAGAIN)
+	    fatal("poll: %m");
+	/* we can get EAGAIN on a heavily loaded system,
+	 * just wait a short time and try again. */
+	usleep(50000);
+    }
 }
 
 /*
@@ -703,7 +699,7 @@ read_packet(buf)
 	flags = 0;
 	len = getmsg(pppfd, &ctrl, &data, &flags);
 	if (len < 0) {
-	    if (errno = EAGAIN || errno == EINTR)
+	    if (errno == EAGAIN || errno == EINTR)
 		return -1;
 	    fatal("Error reading packet: %m");
 	}
@@ -1377,6 +1373,7 @@ get_host_seed()
     return gethostid();
 }
 
+#if 0
 /*
  * Code for locking/unlocking the serial device.
  * This code is derived from chat.c.
@@ -1480,6 +1477,7 @@ unlock()
 	lock_file = NULL;
     }
 }
+#endif /* lock stuff removed */
 
 /*
  * get_pty - get a pty master/slave pair and chown the slave side