C++14 compatible alloc

src/tbb/global_control.cpp

@@ -27,7 +27,10 @@
 #include "misc.h"
 
 #include <atomic>
+#include <stdlib.h>
+#include <new>
 #include <set>
+#include <utility>
 
 namespace tbb {
 namespace detail {
@@ -139,7 +142,7 @@ class alignas(max_nfs_size) lifetime_control : public control_storage {
     }
 };
 
-struct control_storage_instance {
+struct alignas(max_nfs_size) control_storage_instance {
     allowed_parallelism_control     allowed_parallelism_ctl;
     stack_size_control              stack_size_ctl;
     terminate_on_exception_control  terminate_on_exception_ctl;
@@ -149,17 +152,20 @@ static control_storage_instance* control_storage_instance_ptr = nullptr;
 static control_storage *controls[4] = {nullptr, nullptr, nullptr, nullptr};
 
 void global_control_acquire() {
-    control_storage_instance_ptr = new control_storage_instance{};
+    auto ptr = aligned_alloc(max_nfs_size, sizeof(control_storage_instance));
+    control_storage_instance_ptr = new (ptr) control_storage_instance{};
     controls[0] = &control_storage_instance_ptr->allowed_parallelism_ctl;
     controls[1] = &control_storage_instance_ptr->stack_size_ctl;
     controls[2] = &control_storage_instance_ptr->terminate_on_exception_ctl;
     controls[3] = &control_storage_instance_ptr->lifetime_ctl;
 }
 
 void global_control_release() {
-    for (auto& ptr : controls)
+    for (auto& ptr : controls) {
         ptr = nullptr;
-    delete control_storage_instance_ptr;
+    }
+    control_storage_instance_ptr->~control_storage_instance();
+    free(std::exchange(control_storage_instance_ptr, nullptr));
 }
 
 void global_control_lock() {