fix: correct flush when zero blocking

runtime/include/http_session.h

@@ -457,7 +457,7 @@ http_session_send_response(struct http_session *session, void_star_cb on_eagain)
 	if (unlikely(rc == -EAGAIN)) {
 		goto DONE;
 	} else if (unlikely(rc < 0)) {
-		goto ERR;
+		goto CLOSE;
 	}
 
 	rc = http_session_send_response_body(session, on_eagain);
@@ -465,14 +465,14 @@ http_session_send_response(struct http_session *session, void_star_cb on_eagain)
 	if (unlikely(rc == -EAGAIN)) {
 		goto DONE;
 	} else if (unlikely(rc < 0)) {
-		goto ERR;
+		goto CLOSE;
 	}
 
 	session->response_sent_timestamp = __getcycles();
 
-DONE:
+CLOSE:
-	return;
-ERR:
 	http_session_close(session);
 	http_session_free(session);
+DONE:
+	return;
 }

tests/traps/Makefile

@@ -31,6 +31,7 @@ debug: sledgert trap_divzero
 	LD_LIBRARY_PATH=${SLEDGE_BINARY_DIR} gdb ${SLEDGE_BINARY_DIR}/sledgert \
 		--eval-command="handle SIGUSR1 noprint nostop" \
 		--eval-command="handle SIGPIPE noprint nostop" \
+		--eval-command="handle SIGFPE noprint nostop" \
 		--eval-command="set pagination off" \
 		--eval-command="run spec.json"
 
@@ -38,7 +39,7 @@ client-ok:
 	echo "1" | http :10000/divide
 
 client-trap:
-	echo "0" | http :10000/divide
+	echo "0" | http --timeout 3600 :10000/divide
 
 client-trap2:
 	echo "-1" | http :10000/divide