Add standalone cases (#3536)

tests/standalone/test-pthread/threads-opcode-wasm-apps/atomic_store.c

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include "peterson.h"
+
+void
+peterson_lock_acquire(peterson_lock_t *lock, int thread_id)
+{
+    // this threads wants to enter the cs
+    __atomic_store(&lock->flag[thread_id], &(bool){ true }, __ATOMIC_SEQ_CST);
+
+    // assume the other thread has priority
+    int other_thread = 1 - thread_id;
+
+    __atomic_store(&lock->turn, &other_thread, __ATOMIC_SEQ_CST);
+
+    while (lock->turn == other_thread && lock->flag[other_thread]) {
+        // Busy wait
+    }
+}
+
+int
+main()
+{
+    pthread_t thread1, thread2;
+
+    printf("============ test peterson lock using atomic store ============\n");
+    run_test(&thread1, &thread2, test_peterson_lock_atomicity);
+
+    return 0;
+}