Exit when server gets POLLHUP

This should maybe gracefully inform clients of what happened, but for
now this is much better than the infinite poll loop that happened
previously.

1 files changed, 4 insertions, 1 deletions

diff --git a/bounce.c b/bounce.c
index 2b1413d..8dc2850 100644
--- a/bounce.c
+++ b/bounce.c
@@ -413,7 +413,10 @@ int main(int argc, char *argv[]) {
 			if (!revents) continue;
 
 			if (event.fds[i].fd == server) {
-				serverRecv();
+				if (revents & POLLIN) serverRecv();
+				if (revents & (POLLHUP | POLLERR)) {
+					errx(EX_UNAVAILABLE, "server closed connection");
+				}
 				continue;
 			}