error.hpp

/*
 * Copyright (c) 2020, NVIDIA CORPORATION.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <cuda_runtime_api.h>
 
#include <cassert>
#include <iostream>
#include <stdexcept>
#include <string>
 
namespace rmm {
 
struct logic_error : public std::logic_error {
  using std::logic_error::logic_error;
};
 
struct cuda_error : public std::runtime_error {
  using std::runtime_error::runtime_error;
};
 
class bad_alloc : public std::bad_alloc {
 public:
  bad_alloc(const char* msg) : _what{std::string{std::bad_alloc::what()} + ": " + msg} {}
 
  bad_alloc(std::string const& msg) : bad_alloc{msg.c_str()} {}
 
  [[nodiscard]] const char* what() const noexcept override { return _what.c_str(); }
 
 private:
  std::string _what;
};
 
class out_of_memory : public bad_alloc {
 public:
  out_of_memory(const char* msg) : bad_alloc{std::string{"out_of_memory: "} + msg} {}
 
  out_of_memory(std::string const& msg) : out_of_memory{msg.c_str()} {}
};
 
class out_of_range : public std::out_of_range {
  using std::out_of_range::out_of_range;
};
 
}  // namespace rmm
 
#define STRINGIFY_DETAIL(x) #x
#define RMM_STRINGIFY(x)    STRINGIFY_DETAIL(x)
 
#define RMM_EXPECTS(...)                                           \
  GET_RMM_EXPECTS_MACRO(__VA_ARGS__, RMM_EXPECTS_3, RMM_EXPECTS_2) \
  (__VA_ARGS__)
#define GET_RMM_EXPECTS_MACRO(_1, _2, _3, NAME, ...) NAME
#define RMM_EXPECTS_3(_condition, _reason, _exception_type)                       \
  (!!(_condition)) ? static_cast<void>(0)                                         \
                   : throw _exception_type /*NOLINT(bugprone-macro-parentheses)*/ \
  {                                                                               \
    "RMM failure at: " __FILE__ ":" RMM_STRINGIFY(__LINE__) ": " _reason          \
  }
#define RMM_EXPECTS_2(_condition, _reason) RMM_EXPECTS_3(_condition, _reason, rmm::logic_error)
 
#define RMM_FAIL(...)                                     \
  GET_RMM_FAIL_MACRO(__VA_ARGS__, RMM_FAIL_2, RMM_FAIL_1) \
  (__VA_ARGS__)
#define GET_RMM_FAIL_MACRO(_1, _2, NAME, ...) NAME
#define RMM_FAIL_2(_what, _exception_type)       \
  /*NOLINTNEXTLINE(bugprone-macro-parentheses)*/ \
  throw _exception_type{"RMM failure at:" __FILE__ ":" RMM_STRINGIFY(__LINE__) ": " _what};
#define RMM_FAIL_1(_what) RMM_FAIL_2(_what, rmm::logic_error)
 
#define RMM_CUDA_TRY(...)                                             \
  GET_RMM_CUDA_TRY_MACRO(__VA_ARGS__, RMM_CUDA_TRY_2, RMM_CUDA_TRY_1) \
  (__VA_ARGS__)
#define GET_RMM_CUDA_TRY_MACRO(_1, _2, NAME, ...) NAME
#define RMM_CUDA_TRY_2(_call, _exception_type)                                               \
  do {                                                                                       \
    cudaError_t const error = (_call);                                                       \
    if (cudaSuccess != error) {                                                              \
      cudaGetLastError();                                                                    \
      /*NOLINTNEXTLINE(bugprone-macro-parentheses)*/                                         \
      throw _exception_type{std::string{"CUDA error at: "} + __FILE__ + ":" +                \
                            RMM_STRINGIFY(__LINE__) + ": " + cudaGetErrorName(error) + " " + \
                            cudaGetErrorString(error)};                                      \
    }                                                                                        \
  } while (0)
#define RMM_CUDA_TRY_1(_call) RMM_CUDA_TRY_2(_call, rmm::cuda_error)
 
#define RMM_CUDA_TRY_ALLOC(_call)                                                                  \
  do {                                                                                             \
    cudaError_t const error = (_call);                                                             \
    if (cudaSuccess != error) {                                                                    \
      cudaGetLastError();                                                                          \
      auto const msg = std::string{"CUDA error at: "} + __FILE__ + ":" + RMM_STRINGIFY(__LINE__) + \
                       ": " + cudaGetErrorName(error) + " " + cudaGetErrorString(error);           \
      if (cudaErrorMemoryAllocation == error) { throw rmm::out_of_memory{msg}; }                   \
      throw rmm::bad_alloc{msg};                                                                   \
    }                                                                                              \
  } while (0)
 
#ifdef NDEBUG
#define RMM_ASSERT_CUDA_SUCCESS(_call) \
  do {                                 \
    (_call);                           \
  } while (0);
#else
#define RMM_ASSERT_CUDA_SUCCESS(_call)                                          \
  do {                                                                          \
    cudaError_t const status__ = (_call);                                       \
    if (status__ != cudaSuccess) {                                              \
      std::cerr << "CUDA Error detected. " << cudaGetErrorName(status__) << " " \
                << cudaGetErrorString(status__) << std::endl;                   \
    }                                                                           \
    /* NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-array-to-pointer-decay) */   \
    assert(status__ == cudaSuccess);                                            \
  } while (0)
#endif