Adds writer test case for RCU

[folly.git] / folly / PackedSyncPtr.h

diff --git a/folly/PackedSyncPtr.h b/folly/PackedSyncPtr.h
index 692fbf9bac43dd4a9121452e6d9e8e0ebf4c3a93..f6c87adff47c4481299973e2048606897a3f3cca 100644 (file)
--- a/folly/PackedSyncPtr.h
+++ b/folly/PackedSyncPtr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2011-present Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,7 +23,7 @@
 #include <folly/Portability.h>
 #include <folly/SmallLocks.h>
 
-#if !FOLLY_X64 && !FOLLY_PPC64 && !FOLLY_A64
+#if !FOLLY_X64 && !FOLLY_PPC64 && !FOLLY_AARCH64
 #error "PackedSyncPtr is x64, ppc64 or aarch64 specific code."
 #endif
 
@@ -59,14 +59,14 @@
 
 namespace folly {
 
-template<class T>
+template <class T>
 class PackedSyncPtr {
   // This just allows using this class even with T=void.  Attempting
   // to use the operator* or operator[] on a PackedSyncPtr<void> will
   // still properly result in a compile error.
   typedef typename std::add_lvalue_reference<T>::type reference;
 
-public:
+ public:
   /*
    * If you default construct one of these, you must call this init()
    * function before using it.
@@ -74,7 +74,7 @@ public:
    * (We are avoiding a constructor to ensure gcc allows us to put
    * this class in packed structures.)
    */
-  void init(T* initialPtr = 0, uint16_t initialExtra = 0) {
+  void init(T* initialPtr = nullptr, uint16_t initialExtra = 0) {
     auto intPtr = reinterpret_cast<uintptr_t>(initialPtr);
     CHECK(!(intPtr >> 48));
     data_.init(intPtr);
@@ -150,4 +150,4 @@ std::ostream& operator<<(std::ostream& os, const PackedSyncPtr<T>& ptr) {
   os << "PackedSyncPtr(" << ptr.get() << ", " << ptr.extra() << ")";
   return os;
 }
-}
+} // namespace folly