diff --git a/src/tcp_address.cpp b/src/tcp_address.cpp index 238f2c7a..b8cf83d2 100644 --- a/src/tcp_address.cpp +++ b/src/tcp_address.cpp @@ -182,7 +182,16 @@ int zmq::tcp_address_t::resolve_nic_name (const char *nic_, bool ipv6_, bool is_ { // Get the addresses. ifaddrs *ifa = NULL; - const int rc = getifaddrs (&ifa); + int rc; + const int max_attempts = 10; + const int backoff_msec = 1; + for (int i = 0; i < max_attempts; i++) { + rc = getifaddrs (&ifa); + if (rc == 0 || (rc < 0 && errno != ECONNREFUSED)) + break; + usleep ((backoff_msec << i) * 1000); + } + if (rc != 0 && errno == EINVAL) { // Windows Subsystem for Linux compatibility LIBZMQ_UNUSED (nic_);