Add standalone cases (#3536)

tests/standalone/test-pthread/wasi.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2023 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+struct member {
+    int a;
+    char *b;
+} temp = { 8, "zieckey" };
+
+void *
+create(void *arg)
+{
+    printf("new thread ... \n");
+    sleep(5);
+
+    pthread_exit(&temp);
+}
+
+int
+main(int argc, char *argv[])
+{
+    int error;
+    pthread_t tid;
+    struct member *c;
+
+    error = pthread_create(&tid, NULL, create, NULL);
+
+    if (error) {
+        printf("new thread is not created ... \n");
+        return -1;
+    }
+    printf("main ... \n");
+
+    error = pthread_join(tid, (void *)&c);
+
+    if (error) {
+        printf("new thread is not exit ... \n");
+        return -2;
+    }
+
+    printf("c->a = %d \n", c->a);
+    printf("c->b = %s \n", c->b);
+    sleep(1);
+
+    return 0;
+}