Fix a possible hang in dig if a send is interrupted/canceled

When send_done() is called with a ISC_R_CANCELED status (e.g. because
of a signal from ctrl+c), dig can fail to shutdown because
check_if_done() is not called in the branch. Add a check_if_done()
call.

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index c2e9b5488618c8987bdd09b2aa1342bb6fb92a2b..2c4335c5123e7c844fc98d1f29097f27b7f1dfb9 100644 (file)
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -2697,6 +2697,7 @@ send_done(isc_nmhandle_t *handle, isc_result_t eresult, void *arg) {
                }
                query_detach(&query);
                lookup_detach(&l);
+               check_if_done();
                return;
        } else if (eresult != ISC_R_SUCCESS) {
                debug("send failed: %s", isc_result_totext(eresult));