stun

commit eec0592f5817ff4c6017e75e119f22f3fd6fc030
parent 5a5d8ecd6a4a52eabdc28616e455350e0a15da73
Author: sin <sin@2f30.org>
Date:   Mon, 21 Mar 2016 11:38:35 +0000

make poll processing order more intuitive

Diffstat:
M
stun.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/stun.c b/stun.c
@@ -310,14 +310,14 @@ loop(int netfd, int tunfd)
 		if (pfd[0].revents & (POLLERR | POLLNVAL) ||
 		    pfd[1].revents & (POLLERR | POLLNVAL))
 			errx(1, "bad fd");
-		if (pfd[1].revents & (POLLIN | POLLHUP))
-			if ((n = readtun(tunfd, buf, MTU)) <= 0 ||
-			    (n = writenet(netfd, buf, n)) <= 0)
-				return 1;
 		if (pfd[0].revents & (POLLIN | POLLHUP))
 			if ((n = readnet(netfd, buf, MTU)) <= 0 ||
 			    (n = writetun(tunfd, buf, n)) <= 0)
 				return 1;
+		if (pfd[1].revents & (POLLIN | POLLHUP))
+			if ((n = readtun(tunfd, buf, MTU)) <= 0 ||
+			    (n = writenet(netfd, buf, n)) <= 0)
+				return 1;
 	}
 	return 0;
 }