From 33658413847fac2b85f5d6e4fb7bafecfd1472ce Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Thu, 29 Nov 2018 01:05:32 +0900 Subject: [PATCH] netlink: add typesafe netlink functions --- src/libsystemd/sd-netlink/netlink-util.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/libsystemd/sd-netlink/netlink-util.h b/src/libsystemd/sd-netlink/netlink-util.h index b326ceecafa..d2723285a68 100644 --- a/src/libsystemd/sd-netlink/netlink-util.h +++ b/src/libsystemd/sd-netlink/netlink-util.h @@ -38,3 +38,23 @@ int rtnl_set_link_properties(sd_netlink **rtnl, int ifindex, const char *alias, int rtnl_log_parse_error(int r); int rtnl_log_create_error(int r); + +#define netlink_call_async(nl, ret_slot, message, callback, destroy_callback, userdata) \ + ({ \ + int (*_callback_)(sd_netlink *, sd_netlink_message *, typeof(userdata)) = callback; \ + void (*_destroy_)(typeof(userdata)) = destroy_callback; \ + sd_netlink_call_async(nl, ret_slot, message, \ + (sd_netlink_message_handler_t) _callback_, \ + (sd_netlink_destroy_t) _destroy_, \ + userdata, 0, __func__); \ + }) + +#define netlink_add_match(nl, ret_slot, metch, callback, destroy_callback, userdata) \ + ({ \ + int (*_callback_)(sd_netlink *, sd_netlink_message *, typeof(userdata)) = callback; \ + void (*_destroy_)(typeof(userdata)) = destroy_callback; \ + sd_netlink_add_match(nl, ret_slot, match, \ + (sd_netlink_message_handler_t) _callback_, \ + (sd_netlink_destroy_t) _destroy_, \ + userdata, __func__); \ + })