Prep v229: Add missing fixes from upstream [1/6] src/basic

[elogind.git] / src / basic / fd-util.h

diff --git a/src/basic/fd-util.h b/src/basic/fd-util.h
index 2575bcc3532d314f9adb9426ba62c821441b982b..e2f5bbdaf80a8c217833efeba3549d5430be6673 100644 (file)
--- a/src/basic/fd-util.h
+++ b/src/basic/fd-util.h
@@ -19,9 +19,9 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdio.h>
 #include <dirent.h>
 #include <stdbool.h>
+#include <stdio.h>
 #include <sys/socket.h>
 
 #include "macro.h"
@@ -75,3 +75,7 @@ void cmsg_close_all(struct msghdr *mh);
 
 bool fdname_is_valid(const char *s);
 #endif // 0
+
+/* Hint: ENETUNREACH happens if we try to connect to "non-existing" special IP addresses, such as ::5 */
+#define ERRNO_IS_DISCONNECT(r) \
+        IN_SET(r, ENOTCONN, ECONNRESET, ECONNREFUSED, ECONNABORTED, EPIPE, ENETUNREACH)