PMDK C++ bindings  1.9.1
This is the C++ bindings documentation for PMDK's libpmemobj.
make_persistent_array_atomic.hpp
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32 
40 #ifndef LIBPMEMOBJ_CPP_MAKE_PERSISTENT_ARRAY_ATOMIC_HPP
41 #define LIBPMEMOBJ_CPP_MAKE_PERSISTENT_ARRAY_ATOMIC_HPP
42 
50 #include <libpmemobj/atomic_base.h>
51 
52 namespace pmem
53 {
54 
55 namespace obj
56 {
57 
73 template <typename T>
74 void
76  pool_base &pool, typename detail::pp_if_array<T>::type &ptr,
77  std::size_t N,
79 {
80  typedef typename detail::pp_array_type<T>::type I;
81 
82  auto ret = pmemobj_xalloc(pool.handle(), ptr.raw_ptr(), sizeof(I) * N,
83  detail::type_num<I>(), flag.value,
84  &detail::array_constructor<I>,
85  static_cast<void *>(&N));
86 
87  if (ret != 0)
88  throw std::bad_alloc();
89 }
90 
105 template <typename T>
106 void
108  pool_base &pool, typename detail::pp_if_size_array<T>::type &ptr,
110 {
111  typedef typename detail::pp_array_type<T>::type I;
112  std::size_t N = detail::pp_array_elems<T>::elems;
113 
114  auto ret = pmemobj_xalloc(pool.handle(), ptr.raw_ptr(), sizeof(I) * N,
115  detail::type_num<I>(), flag.value,
116  &detail::array_constructor<I>,
117  static_cast<void *>(&N));
118 
119  if (ret != 0)
120  throw std::bad_alloc();
121 }
122 
133 template <typename T>
134 void
135 delete_persistent_atomic(typename detail::pp_if_array<T>::type &ptr,
136  std::size_t)
137 {
138  if (ptr == nullptr)
139  return;
140 
141  /* we CAN'T call destructor */
142  pmemobj_free(ptr.raw_ptr());
143 }
144 
154 template <typename T>
155 void
156 delete_persistent_atomic(typename detail::pp_if_size_array<T>::type &ptr)
157 {
158  if (ptr == nullptr)
159  return;
160 
161  /* we CAN'T call destructor */
162  pmemobj_free(ptr.raw_ptr());
163 }
164 
165 } /* namespace obj */
166 
167 } /* namespace pmem */
168 
169 #endif /* LIBPMEMOBJ_CPP_MAKE_PERSISTENT_ARRAY_ATOMIC_HPP */
pmem
Persistent memory namespace.
Definition: allocation_flag.hpp:44
common.hpp
Commonly used functionality.
pexceptions.hpp
Custom exceptions.
check_persistent_ptr_array.hpp
Compile time type check for make_persistent.
make_atomic_impl.hpp
Implementation details of atomic allocation and construction.
pmem::obj::delete_persistent_atomic
void delete_persistent_atomic(typename detail::pp_if_array< T >::type &ptr, std::size_t)
Atomically deallocate an array of objects.
Definition: make_persistent_array_atomic.hpp:135
pmem::obj::allocation_flag_atomic
Type of flag which can be passed to make_persistent_atomic.
Definition: allocation_flag.hpp:123
pmem::obj::pool
PMEMobj pool class.
Definition: pool.hpp:491
pmem::obj::allocation_flag_atomic::none
static allocation_flag_atomic none()
Do not change allocator behaviour.
Definition: allocation_flag.hpp:144
array_traits.hpp
Common array traits.
variadic.hpp
Helper functionality for handling variadic templates.
allocation_flag.hpp
allocation_flag - defines flags which can be passed to make_persistent
pmem::obj::pool_base
The non-template pool base class.
Definition: pool.hpp:75
pmem::obj::make_persistent_atomic
void make_persistent_atomic(pool_base &pool, typename detail::pp_if_array< T >::type &ptr, std::size_t N, allocation_flag_atomic flag=allocation_flag_atomic::none())
Atomically allocate an array of objects.
Definition: make_persistent_array_atomic.hpp:75