cope with EAGAIN return from poll

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index 19c233ff7e3f6d8a21020e1a08b8d0e6e5f91cc4..68976414e1cd182baceac5404e446947ab2770a3 100644 (file)
--- a/pppd/sys-sunos4.c
+++ b/pppd/sys-sunos4.c
@@ -25,7 +25,7 @@
  * OR MODIFICATIONS.
  */
 
  * OR MODIFICATIONS.
  */
 

-#define RCSID  "$Id: sys-sunos4.c,v 1.24 1999/08/13 06:46:19 paulus Exp $"
+#define RCSID  "$Id: sys-sunos4.c,v 1.25 1999/12/23 01:38:19 paulus Exp $"

 
 #include <stdio.h>
 #include <stddef.h>
 
 #include <stdio.h>
 #include <stddef.h>


@@ -614,8 +614,13 @@ wait_input(timo)
     int t;
 
     t = timo == NULL? -1: timo->tv_sec * 1000 + timo->tv_usec / 1000;
     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);
+    }

 }
 
 /*
 }
 
 /*