As suggested on the dev list: Use pcapng and threads

when capturing on multiple interfaces even if not specified
on the command line.

svn path=/trunk/; revision=37343

1 files changed, 7 insertions, 2 deletions

diff --git a/dumpcap.c b/dumpcap.c
index 6eb12d717d..56529dc79d 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -4102,8 +4102,13 @@ main(int argc, char *argv[])
             exit_main(1);
         }
     } else {
-        /* We're supposed to capture traffic; was the ring buffer option
-           specified and, if so, does it make sense? */
+        /* We're supposed to capture traffic; */
+        /* Are we capturing on multiple interface? If so, use threads and pcapng. */
+        if (global_capture_opts.ifaces->len > 1) {
+            use_threads = TRUE;
+            global_capture_opts.use_pcapng = TRUE;
+        }
+        /* Was the ring buffer option specified and, if so, does it make sense? */
         if (global_capture_opts.multi_files_on) {
             /* Ring buffer works only under certain conditions:
                a) ring buffer does not work with temporary files;