Add standalone cases (#3536)

tests/standalone/test-pthread/pthread_cond.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+pthread_mutex_t mutex;
+static pthread_cond_t cond;
+
+typedef struct test {
+    int test1;
+    int test2;
+} Test;
+
+Test t1;
+
+void *
+thread(void *arg)
+{
+    pthread_mutex_lock(&mutex);
+    printf("thread signal\n");
+    pthread_cond_signal(&cond);
+    pthread_mutex_unlock(&mutex);
+
+    return NULL;
+}
+
+int
+main()
+{
+    pthread_t p;
+
+    pthread_mutex_init(&mutex, NULL);
+    pthread_cond_init(&cond, NULL);
+
+    printf("parent begin\n");
+
+    pthread_mutex_lock(&mutex);
+    pthread_create(&p, NULL, thread, NULL);
+
+    pthread_cond_wait(&cond, &mutex);
+    pthread_mutex_unlock(&mutex);
+
+    printf("parend end\n");
+
+    pthread_join(p, NULL);
+
+    pthread_cond_destroy(&cond);
+    pthread_mutex_destroy(&mutex);
+
+    return 0;
+}