Hi!
The included patch to pcap-linux.c of the libpcap library fixes this
issue. It's a patch for the pf_ring supplied version of libpcap/pcap-
linux.c of course.
If it doesn't work for you, make sure you rebuild tcpdump if
the libs are statically linked.
Cheers,
-Michael
--- pcap-linux.c.ring 2007-01-30 11:53:58.000000000 +0100
+++ pcap-linux.c 2007-01-30 12:01:39.000000000 +0100
@@ -483,6 +483,15 @@
#ifdef HAVE_PF_RING
if(handle->ring) {
retry:
+ if (handle->break_loop) {
+ /*
+ * Yes - clear the flag that indicates that it
+ * has, and return -2 as an indication that we
+ * were told to break out of the loop.
+ */
+ handle->break_loop = 0;
+ return -2;
+ }
packet_len = pfring_recv(handle->ring, (char*)handle->buffer,
handle->bufsize,
(struct pfring_pkthdr*)&pcap_header,
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