Merge branch 'cb/daemon-retry-interrupted-accept'

When "git daemon" sees a signal while attempting to accept() a new
client, instead of retrying, it skipped it by mistake, which has
been corrected.

* cb/daemon-retry-interrupted-accept:
  daemon: correctly handle soft accept() errors in service_loop

Author: gitster

daemon.c

@@ -1148,11 +1148,19 @@ static int service_loop(struct socketlist *socklist)
 #endif
 				} ss;
 				socklen_t sslen = sizeof(ss);
-				int incoming = accept(pfd[i].fd, &ss.sa, &sslen);
+				int incoming;
+				int retry = 3;
+
+			redo:
+				incoming = accept(pfd[i].fd, &ss.sa, &sslen);
 				if (incoming < 0) {
 					switch (errno) {
-					case EAGAIN:
 					case EINTR:
+						if (--retry)
+							goto redo;
+
+						/* fallthrough */
+					case EAGAIN:
 					case ECONNABORTED:
 						continue;
 					default: