Attached is a patch for libpcap 0.4a6, written by Brian Costello, that
fixes the timeout problem with pcap-linux.c. I wasn't able to find it on
my machine at home, but Brian was kind enough to send me another copy.
It's also available at http://ethereal.zing.org/devteam/gerald/ .
--
Gerald Combs gerald@xxxxxxxxxx (913) 327-5309
Mouse cleaning czar Rocky Mountain Internet
*** libpcap-0.4a6/pcap-linux.c Thu Oct 2 22:39:53 1997
--- pcap-linux.c Sun May 17 14:44:16 1998
***************
*** 29,30 ****
--- 29,31 ----
#include <sys/time.h>
+ #include <fcntl.h>
***************
*** 48,49 ****
--- 49,52 ----
static struct ifreq saved_ifr;
+ static int pcap_timeout_ms=0;
+ static int pcap_timeout_s=0;
***************
*** 86,87 ****
--- 89,102 ----
do {
+ fd_set set1;
+ struct timeval timeout;
+
+ FD_ZERO(&set1);
+ FD_SET(p->fd, &set1);
+
+ timeout.tv_usec = pcap_timeout_ms;
+ timeout.tv_sec = pcap_timeout_s;
+
+ if (select(p->fd+1, &set1, NULL, NULL, &timeout) == 0)
+ return(0);
+
fromlen = sizeof(from);
***************
*** 267,268 ****
--- 282,284 ----
/* Leave room for link header (which is never large under linux...) */
+
p->bufsize = ifr.ifr_mtu + 64;
***************
*** 275,276 ****
--- 291,294 ----
+ pcap_timeout_ms = (to_ms * 1000) % 1000000;
+ pcap_timeout_s = to_ms / 1000;
/* XXX */
