diff options
| author | guy <guy> | 2003-11-04 07:05:32 +0000 |
|---|---|---|
| committer | guy <guy> | 2003-11-04 07:05:32 +0000 |
| commit | 991d444f7116bef16893826b46f3950f62281507 (patch) | |
| tree | a6e3cc271bc1560beb89dcc0d0c3893297bbba0b /pcap-snoop.c | |
| parent | 4246a40e00fd598e3af4ab8e4251749968b086c1 (diff) | |
Add a "pcap_breakloop()" API to break out of the loop in
"pcap_dispatch()" and "pcap_loop()".
Diffstat (limited to 'pcap-snoop.c')
| -rw-r--r-- | pcap-snoop.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/pcap-snoop.c b/pcap-snoop.c index 69c6569..a1b530e 100644 --- a/pcap-snoop.c +++ b/pcap-snoop.c @@ -20,7 +20,7 @@ */ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/libpcap/pcap-snoop.c,v 1.44 2003-07-25 05:32:05 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/libpcap/pcap-snoop.c,v 1.45 2003-11-04 07:05:37 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -68,13 +68,25 @@ pcap_read_snoop(pcap_t *p, int cnt, pcap_handler callback, u_char *user) register u_char *cp; again: + /* + * Has "pcap_breakloop()" been called? + */ + if (p->break_loop) { + /* + * Yes - clear the flag that indicates that it + * has, and return -2 to indicate that we were + * told to break out of the loop. + */ + p->break_loop = 0; + return (-2); + } cc = read(p->fd, (char *)p->buffer, p->bufsize); if (cc < 0) { /* Don't choke when we get ptraced */ switch (errno) { case EINTR: - goto again; + goto again; case EWOULDBLOCK: return (0); /* XXX */ |