Handle EINTR return from sendto() in ipset.c

src/ipset.c

@@ -97,6 +97,7 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
   struct nlattr *nested[2];
   uint8_t proto;
   int addrsz = INADDRSZ;
+  ssize_t rc;
 
 #ifdef HAVE_IPV6
   if (af == AF_INET6)
@@ -137,10 +138,9 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
   nested[1]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[1];
   nested[0]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[0];
 	
-  if (sendto(ipset_sock, buffer, nlh->nlmsg_len, 0, (struct sockaddr *)&snl, sizeof(snl)) < 0)
-    return -1;
-  
-  return 0;
+  while ((rc = sendto(ipset_sock, buffer, nlh->nlmsg_len, 0,
+		      (struct sockaddr *)&snl, sizeof(snl))) == -1 && retry_send());
+  return rc;
 }