1/*
2 *  Copyright 2008-2013 NVIDIA Corporation
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 *  you may not use this file except in compliance with the License.
6 *  You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 *  distributed under the License is distributed on an "AS IS" BASIS,
12 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 *  See the License for the specific language governing permissions and
14 *  limitations under the License.
15 */
16
17
18#pragma once
19
20#include <thrust/system/cuda/error.h>
21#include <thrust/system/cuda/detail/guarded_cuda_runtime_api.h>
22
23namespace thrust
24{
25
26namespace system
27{
28
29
30error_code make_error_code(cuda_cub::errc::errc_t e)
31{
32  return error_code(static_cast<int>(e), cuda_category());
33} // end make_error_code()
34
35
36error_condition make_error_condition(cuda_cub::errc::errc_t e)
37{
38  return error_condition(static_cast<int>(e), cuda_category());
39} // end make_error_condition()
40
41
42namespace cuda_cub
43{
44
45namespace detail
46{
47
48
49class cuda_error_category
50  : public error_category
51{
52  public:
53    inline cuda_error_category(void) {}
54
55    inline virtual const char *name(void) const
56    {
57      return "cuda";
58    }
59
60    inline virtual std::string message(int ev) const
61    {
62      char const* const unknown_str  = "unknown error";
63      char const* const unknown_name = "cudaErrorUnknown";
64      char const* c_str  = ::cudaGetErrorString(static_cast<cudaError_t>(ev));
65      char const* c_name = ::cudaGetErrorName(static_cast<cudaError_t>(ev));
66      return std::string(c_name ? c_name : unknown_name)
67           + ": " + (c_str ? c_str : unknown_str);
68    }
69
70    inline virtual error_condition default_error_condition(int ev) const
71    {
72      using namespace cuda_cub::errc;
73
74      if(ev < ::cudaErrorApiFailureBase)
75      {
76        return make_error_condition(static_cast<errc_t>(ev));
77      }
78
79      return system_category().default_error_condition(ev);
80    }
81}; // end cuda_error_category
82
83} // end detail
84
85} // end namespace cuda_cub
86
87
88const error_category &cuda_category(void)
89{
90  static const thrust::system::cuda_cub::detail::cuda_error_category result;
91  return result;
92}
93
94
95} // end namespace system
96
97} // end namespace thrust
98
99