1/*===---- new - CUDA wrapper for <new> -------------------------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23
24#ifndef __CLANG_CUDA_WRAPPERS_NEW
25#define __CLANG_CUDA_WRAPPERS_NEW
26
27#include_next <new>
28
29#if !defined(__device__)
30// The header has been included too early from the standard C++ library
31// and CUDA-specific macros are not available yet.
32// Undo the include guard and try again later.
33#undef __CLANG_CUDA_WRAPPERS_NEW
34#else
35
36#pragma push_macro("CUDA_NOEXCEPT")
37#if __cplusplus >= 201103L
38#define CUDA_NOEXCEPT noexcept
39#else
40#define CUDA_NOEXCEPT
41#endif
42
43// Device overrides for non-placement new and delete.
44__device__ inline void *operator new(__SIZE_TYPE__ size) {
45  if (size == 0) {
46    size = 1;
47  }
48  return ::malloc(size);
49}
50__device__ inline void *operator new(__SIZE_TYPE__ size,
51                                     const std::nothrow_t &) CUDA_NOEXCEPT {
52  return ::operator new(size);
53}
54
55__device__ inline void *operator new[](__SIZE_TYPE__ size) {
56  return ::operator new(size);
57}
58__device__ inline void *operator new[](__SIZE_TYPE__ size,
59                                       const std::nothrow_t &) {
60  return ::operator new(size);
61}
62
63__device__ inline void operator delete(void* ptr) CUDA_NOEXCEPT {
64  if (ptr) {
65    ::free(ptr);
66  }
67}
68__device__ inline void operator delete(void *ptr,
69                                       const std::nothrow_t &) CUDA_NOEXCEPT {
70  ::operator delete(ptr);
71}
72
73__device__ inline void operator delete[](void* ptr) CUDA_NOEXCEPT {
74  ::operator delete(ptr);
75}
76__device__ inline void operator delete[](void *ptr,
77                                         const std::nothrow_t &) CUDA_NOEXCEPT {
78  ::operator delete(ptr);
79}
80
81// Sized delete, C++14 only.
82#if __cplusplus >= 201402L
83__device__ inline void operator delete(void *ptr,
84                                       __SIZE_TYPE__ size) CUDA_NOEXCEPT {
85  ::operator delete(ptr);
86}
87__device__ inline void operator delete[](void *ptr,
88                                         __SIZE_TYPE__ size) CUDA_NOEXCEPT {
89  ::operator delete(ptr);
90}
91#endif
92
93// Device overrides for placement new and delete.
94__device__ inline void *operator new(__SIZE_TYPE__, void *__ptr) CUDA_NOEXCEPT {
95  return __ptr;
96}
97__device__ inline void *operator new[](__SIZE_TYPE__, void *__ptr) CUDA_NOEXCEPT {
98  return __ptr;
99}
100__device__ inline void operator delete(void *, void *) CUDA_NOEXCEPT {}
101__device__ inline void operator delete[](void *, void *) CUDA_NOEXCEPT {}
102
103#pragma pop_macro("CUDA_NOEXCEPT")
104
105#endif // __device__
106#endif // include guard
107