From 2c9d9714379b21a8c2107bed6ab2bf25d9ddf4e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Mon, 9 Sep 2019 16:08:21 +0000
Subject: [PATCH] Block on sendmsg() for now
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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
---
 mud.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mud.c b/mud.c
index e57025c..6481d07 100644
--- a/mud.c
+++ b/mud.c
@@ -436,7 +436,11 @@ mud_send_path(struct mud *mud, struct mud_path *path, uint64_t now,
         memcpy(CMSG_DATA(cmsg), &tc, sizeof(int));
     }
 
-    ssize_t ret = sendmsg(mud->fd, &msg, flags);
+    ssize_t ret = 0;
+
+    do {
+        ret = sendmsg(mud->fd, &msg, flags);
+    } while (ret == (ssize_t)-1 && errno == EAGAIN);
 
     path->send.total++;
     path->send.bytes += size;