Add standalone cases (#3536)

tests/standalone/test-pthread/pthread_key.c

@@ -0,0 +1,91 @@
+/*
+ * 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_key_t key;
+pthread_mutex_t lock;
+
+struct test_struct {
+    int i;
+    int k;
+};
+
+typedef struct point {
+    int x;
+    int y;
+} Point;
+
+void *
+child1(void *arg)
+{
+    struct test_struct struct_data;
+    struct_data.i = 10;
+    struct_data.k = 5;
+    pthread_mutex_lock(&lock);
+    pthread_setspecific(key, &struct_data);
+    printf("thread1--address of struct_data is --> %p\n", &(struct_data));
+    printf("thread1--from pthread_getspecific(key) get the pointer and it "
+           "points to --> %p\n",
+           (struct test_struct *)pthread_getspecific(key));
+    printf("thread1--from pthread_getspecific(key) get the pointer and print "
+           "it's content:\nstruct_data.i:%d\nstruct_data.k: %d\n",
+           ((struct test_struct *)pthread_getspecific(key))->i,
+           ((struct test_struct *)pthread_getspecific(key))->k);
+    printf("------------------------------------------------------\n");
+    pthread_mutex_unlock(&lock);
+}
+
+void *
+child2(void *arg)
+{
+    int temp = 20;
+
+    pthread_mutex_lock(&lock);
+    printf("thread2--temp's address is %p\n", &temp);
+    pthread_setspecific(key, &temp);
+    printf("thread2--from pthread_getspecific(key) get the pointer and it "
+           "points to --> %p\n",
+           (int *)pthread_getspecific(key));
+    printf("thread2--from pthread_getspecific(key) get the pointer and print "
+           "it's content --> temp:%d\n",
+           *((int *)pthread_getspecific(key)));
+    printf("------------------------------------------------------\n");
+    pthread_mutex_unlock(&lock);
+}
+
+int
+main(void)
+{
+    Point p;
+    p.x = 10;
+    p.y = 20;
+    pthread_t tid1, tid2;
+
+    pthread_mutex_init(&lock, NULL);
+
+    pthread_key_create(&key, NULL);
+    pthread_create(&tid1, NULL, child1, NULL);
+    pthread_create(&tid2, NULL, child2, NULL);
+
+    pthread_mutex_lock(&lock);
+    printf("main--temp's address is %p\n", &p);
+    pthread_setspecific(key, &p);
+    printf("main--from pthread_getspecific(key) get the pointer and it points "
+           "to --> %p\n",
+           (int *)pthread_getspecific(key));
+    printf("main--from pthread_getspecific(key) get the pointer and print "
+           "it's content --> x:%d, y:%d\n",
+           ((Point *)pthread_getspecific(key))->x,
+           ((Point *)pthread_getspecific(key))->y);
+    pthread_mutex_unlock(&lock);
+
+    pthread_join(tid1, NULL);
+    pthread_join(tid2, NULL);
+    pthread_key_delete(key);
+    return 0;
+}