X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fsys-sunos4.c;h=68976414e1cd182baceac5404e446947ab2770a3;hb=3f2fe49d822135c209e9896f666b748cf2234f2e;hp=3e8d1ce7f303971ad80309560c0942e87109f6ab;hpb=0429f850053952414c2a280dad902363965a7a3a;p=ppp.git

diff --git a/pppd/sys-sunos4.c b/pppd/sys-sunos4.c
index 3e8d1ce..6897641 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 1.21 1999/05/12 06:15:58 paulus Exp $";
-#endif
+#define RCSID	"$Id: sys-sunos4.c,v 1.25 1999/12/23 01:38:19 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;
@@ -614,8 +614,13 @@ 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 +708,7 @@ 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");
 	}