diff options
Diffstat (limited to 'CAN-binder/low-can-binding/binding')
| -rw-r--r-- | CAN-binder/low-can-binding/binding/low-can-cb.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.cpp b/CAN-binder/low-can-binding/binding/low-can-cb.cpp index 414fa91..2183893 100644 --- a/CAN-binder/low-can-binding/binding/low-can-cb.cpp +++ b/CAN-binder/low-can-binding/binding/low-can-cb.cpp @@ -55,9 +55,16 @@ void on_no_clients(std::string message) int read(sd_event_source *s, int fd, uint32_t revents, void *userdata) { can_signal_t* sig= (can_signal_t*)userdata; - if(sig->read_socket() != can_message_format_t::ERROR) - return 0; - return -1; + sig->read_socket(); + + /* check if error or hangup */ + if ((revents & (EPOLLERR|EPOLLRDHUP|EPOLLHUP)) != 0) + { + sd_event_source_unref(s); + sig->get_socket().close(); + sig->create_rx_filter(); + } + return 0; } ///****************************************************************************** |