C and C++

common/utils/thread_pool/task.h

 #ifndef TASK_WORK_STEALING_THREAD_POOL_H
 #define TASK_WORK_STEALING_THREAD_POOL_H 
 
+#ifndef __cplusplus
+#include <stdalign.h>
+#else
+#define _Alignas(X) alignas(X) 
+#endif
+
 #if defined (__i386__) || defined(__x86_64__)
   #define LEVEL1_DCACHE_LINESIZE 64
 #elif __aarch64__
@@ -12,6 +18,7 @@
     static_assert(0!=0, "Unknown CPU architecture");
 #endif
 
+
 typedef struct{
   // Avoid false sharing. Doing it in the first member
  _Alignas(LEVEL1_DCACHE_LINESIZE) void* args;

common/utils/thread_pool/task_manager.h

@@ -14,10 +14,18 @@
 
 #include "task.h"
 #include <pthread.h>
-#include <stdatomic.h>
 #include <stdbool.h>
 #include <stdint.h>
 
+#ifndef __cplusplus
+#include <stdalign.h>
+#include <stdatomic.h>
+#else
+#include <atomic>
+#define _Atomic(X) std::atomic< X >
+#define _Alignas(X) alignas(X) 
+#endif
+
 #if defined (__i386__) || defined(__x86_64__)
   #define pause_or_yield  __builtin_ia32_pause
 #elif __aarch64__
@@ -42,11 +50,11 @@ typedef struct{
   pthread_t* t_arr;
   size_t len_thr;
   
-  atomic_uint_fast64_t index;
+  _Atomic(uint64_t) index;
 
   void* q_arr;
 
-  atomic_uint_fast64_t num_task;
+  _Atomic(uint64_t) num_task;
 
 //  pthread_cond_t  wait_cv; 
 //  pthread_mutex_t wait_mtx;