flint: add second io connect test

tests/test_io_connect_2.c

@@ -0,0 +1,53 @@
+
+/*
+ * machinarium.
+ *
+ * Cooperative multitasking engine.
+*/
+
+#include <machinarium.h>
+#include <assert.h>
+
+static void
+test_connect(void *arg)
+{
+	mm_t env = arg;
+	assert(mm_is_cancel(env));
+	printf("child started\n");
+	mmio_t client = mm_io_new(env);
+	int rc;
+	rc = mm_connect(client, "8.8.8.16", 1324, 0);
+	printf("child resumed\n");
+	assert(rc < 0);
+	mm_close(client);
+	if (mm_is_cancel(env))
+		printf("child marked as cancel\n");
+	printf("child end\n");
+}
+
+static void
+test_waiter(void *arg)
+{
+	mm_t env = arg;
+
+	printf("waiter started\n");
+
+	int id = mm_create(env, test_connect, env);
+	mm_cancel(env, id); /* run cancelled */
+	mm_sleep(env, 0);
+	mm_wait(env, id);
+
+	printf("waiter 1 ended \n");
+	mm_stop(env);
+}
+
+int
+main(int argc, char *argv[])
+{
+	mm_t env = mm_new();
+	mm_create(env, test_waiter, env);
+	mm_start(env);
+	printf("shutting down\n");
+	mm_free(env);
+	return 0;
+}