1 | // -*- c++ -*- |
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2 | // |
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3 | // Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana |
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4 | // University Research and Technology |
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5 | // Corporation. All rights reserved. |
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6 | // Copyright (c) 2004-2005 The University of Tennessee and The University |
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7 | // of Tennessee Research Foundation. All rights |
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8 | // reserved. |
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9 | // Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, |
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10 | // University of Stuttgart. All rights reserved. |
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11 | // Copyright (c) 2004-2005 The Regents of the University of California. |
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12 | // All rights reserved. |
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13 | // Copyright (c) 2006-2008 Cisco Systems, Inc. All rights reserved. |
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14 | // $COPYRIGHT$ |
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15 | // |
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16 | // Additional copyrights may follow |
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17 | // |
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18 | // $HEADER$ |
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19 | // |
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20 | |
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21 | // Typedefs for C++ callbacks registered via MPI::Register_datarep |
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22 | typedef void Datarep_extent_function(const Datatype& datatype, |
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23 | Aint& file_extent, void* extra_state); |
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24 | typedef void Datarep_conversion_function(void* userbuf, Datatype& datatype, |
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25 | int count, void* filebuf, |
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26 | Offset position, void* extra_state); |
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27 | |
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28 | // Both callback functions in C++ |
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29 | void Register_datarep(const char* datarep, |
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30 | Datarep_conversion_function* read_conversion_fn, |
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31 | Datarep_conversion_function* write_conversion_fn, |
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32 | Datarep_extent_function* dtype_file_extent_fn, |
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33 | void* extra_state); |
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34 | |
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35 | // Overload for C read callback function (MPI_CONVERSION_FN_NULL) |
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36 | void Register_datarep(const char* datarep, |
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37 | MPI_Datarep_conversion_function* read_conversion_fn, |
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38 | Datarep_conversion_function* write_conversion_fn, |
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39 | Datarep_extent_function* dtype_file_extent_fn, |
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40 | void* extra_state); |
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41 | |
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42 | // Overload for C write callback function (MPI_CONVERSION_FN_NULL) |
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43 | void Register_datarep(const char* datarep, |
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44 | Datarep_conversion_function* read_conversion_fn, |
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45 | MPI_Datarep_conversion_function* write_conversion_fn, |
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46 | Datarep_extent_function* dtype_file_extent_fn, |
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47 | void* extra_state); |
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48 | |
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49 | // Overload for C read and write callback functions (MPI_CONVERSION_FN_NULL) |
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50 | void Register_datarep(const char* datarep, |
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51 | MPI_Datarep_conversion_function* read_conversion_fn, |
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52 | MPI_Datarep_conversion_function* write_conversion_fn, |
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53 | Datarep_extent_function* dtype_file_extent_fn, |
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54 | void* extra_state); |
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55 | |
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56 | class File { |
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57 | #if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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58 | // friend class P; |
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59 | |
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60 | #endif |
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61 | friend class MPI::Comm; //so I can access pmpi_file data member in comm.cc |
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62 | friend class MPI::Request; //and also from request.cc |
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63 | |
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64 | public: |
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65 | #if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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66 | |
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67 | // construction / destruction |
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68 | File() { } |
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69 | virtual ~File() { } |
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70 | |
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71 | |
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72 | // copy / assignment |
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73 | File(const File& data) : pmpi_file(data.pmpi_file) { } |
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74 | |
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75 | File(MPI_File i) : pmpi_file(i) { } |
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76 | |
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77 | File& operator=(const File& data) { |
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78 | pmpi_file = data.pmpi_file; return *this; } |
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79 | |
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80 | // comparison, don't need for file |
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81 | |
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82 | // inter-language operability |
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83 | File& operator= (const MPI_File &i) { |
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84 | pmpi_file = i; return *this; } |
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85 | operator MPI_File () const { return pmpi_file; } |
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86 | // operator MPI_File* () const { return pmpi_file; } |
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87 | operator const PMPI::File&() const { return pmpi_file; } |
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88 | |
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89 | #else |
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90 | |
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91 | File() : mpi_file(MPI_FILE_NULL) { } |
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92 | // copy |
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93 | File(const File& data) : mpi_file(data.mpi_file) { } |
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94 | |
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95 | File(MPI_File i) : mpi_file(i) { } |
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96 | |
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97 | virtual ~File() { } |
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98 | |
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99 | File& operator=(const File& data) { |
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100 | mpi_file = data.mpi_file; return *this; } |
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101 | |
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102 | // comparison, don't need for file |
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103 | |
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104 | // inter-language operability |
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105 | File& operator= (const MPI_File &i) { |
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106 | mpi_file = i; return *this; } |
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107 | operator MPI_File () const { return mpi_file; } |
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108 | // operator MPI_File* () const { return (MPI_File*)&mpi_file; } |
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109 | |
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110 | #endif |
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111 | |
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112 | // from the I/o chapter of MPI - 2 |
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113 | |
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114 | void Close(); |
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115 | |
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116 | static void Delete(const char* filename, const MPI::Info& info); |
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117 | |
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118 | int Get_amode() const; |
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119 | |
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120 | bool Get_atomicity() const; |
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121 | |
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122 | MPI::Offset Get_byte_offset(const MPI::Offset disp) const; |
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123 | |
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124 | MPI::Group Get_group() const; |
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125 | |
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126 | MPI::Info Get_info() const; |
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127 | |
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128 | MPI::Offset Get_position() const; |
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129 | |
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130 | MPI::Offset Get_position_shared() const; |
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131 | |
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132 | MPI::Offset Get_size() const; |
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133 | |
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134 | MPI::Aint Get_type_extent(const MPI::Datatype& datatype) const; |
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135 | |
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136 | void Get_view(MPI::Offset& disp, MPI::Datatype& etype, |
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137 | MPI::Datatype& filetype, char* datarep) const; |
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138 | |
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139 | MPI::Request Iread(void* buf, int count, |
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140 | const MPI::Datatype& datatype); |
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141 | |
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142 | MPI::Request Iread_at(MPI::Offset offset, void* buf, int count, |
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143 | const MPI::Datatype& datatype); |
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144 | |
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145 | MPI::Request Iread_shared(void* buf, int count, |
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146 | const MPI::Datatype& datatype); |
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147 | |
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148 | MPI::Request Iwrite(const void* buf, int count, |
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149 | const MPI::Datatype& datatype); |
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150 | |
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151 | MPI::Request Iwrite_at(MPI::Offset offset, const void* buf, |
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152 | int count, const MPI::Datatype& datatype); |
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153 | |
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154 | MPI::Request Iwrite_shared(const void* buf, int count, |
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155 | const MPI::Datatype& datatype); |
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156 | |
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157 | static MPI::File Open(const MPI::Intracomm& comm, |
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158 | const char* filename, int amode, |
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159 | const MPI::Info& info); |
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160 | |
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161 | void Preallocate(MPI::Offset size); |
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162 | |
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163 | void Read(void* buf, int count, const MPI::Datatype& datatype); |
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164 | |
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165 | void Read(void* buf, int count, const MPI::Datatype& datatype, |
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166 | MPI::Status& status); |
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167 | |
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168 | void Read_all(void* buf, int count, const MPI::Datatype& datatype); |
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169 | |
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170 | void Read_all(void* buf, int count, const MPI::Datatype& datatype, |
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171 | MPI::Status& status); |
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172 | |
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173 | void Read_all_begin(void* buf, int count, |
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174 | const MPI::Datatype& datatype); |
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175 | |
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176 | void Read_all_end(void* buf); |
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177 | |
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178 | void Read_all_end(void* buf, MPI::Status& status); |
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179 | |
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180 | void Read_at(MPI::Offset offset, |
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181 | void* buf, int count, const MPI::Datatype& datatype); |
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182 | |
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183 | void Read_at(MPI::Offset offset, void* buf, int count, |
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184 | const MPI::Datatype& datatype, MPI::Status& status); |
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185 | |
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186 | void Read_at_all(MPI::Offset offset, void* buf, int count, |
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187 | const MPI::Datatype& datatype); |
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188 | |
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189 | void Read_at_all(MPI::Offset offset, void* buf, int count, |
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190 | const MPI::Datatype& datatype, MPI::Status& status); |
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191 | |
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192 | void Read_at_all_begin(MPI::Offset offset, void* buf, int count, |
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193 | const MPI::Datatype& datatype); |
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194 | |
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195 | void Read_at_all_end(void* buf); |
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196 | |
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197 | void Read_at_all_end(void* buf, MPI::Status& status); |
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198 | |
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199 | void Read_ordered(void* buf, int count, |
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200 | const MPI::Datatype& datatype); |
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201 | |
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202 | void Read_ordered(void* buf, int count, |
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203 | const MPI::Datatype& datatype, |
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204 | MPI::Status& status); |
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205 | |
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206 | void Read_ordered_begin(void* buf, int count, |
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207 | const MPI::Datatype& datatype); |
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208 | |
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209 | void Read_ordered_end(void* buf); |
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210 | |
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211 | void Read_ordered_end(void* buf, MPI::Status& status); |
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212 | |
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213 | void Read_shared(void* buf, int count, |
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214 | const MPI::Datatype& datatype); |
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215 | |
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216 | void Read_shared(void* buf, int count, |
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217 | const MPI::Datatype& datatype, MPI::Status& status); |
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218 | |
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219 | void Seek(MPI::Offset offset, int whence); |
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220 | |
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221 | void Seek_shared(MPI::Offset offset, int whence); |
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222 | |
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223 | void Set_atomicity(bool flag); |
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224 | |
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225 | void Set_info(const MPI::Info& info); |
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226 | |
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227 | void Set_size(MPI::Offset size); |
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228 | |
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229 | void Set_view(MPI::Offset disp, const MPI::Datatype& etype, |
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230 | const MPI::Datatype& filetype, const char* datarep, |
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231 | const MPI::Info& info); |
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232 | |
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233 | void Sync(); |
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234 | |
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235 | void Write(const void* buf, int count, |
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236 | const MPI::Datatype& datatype); |
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237 | |
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238 | void Write(const void* buf, int count, |
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239 | const MPI::Datatype& datatype, MPI::Status& status); |
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240 | |
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241 | void Write_all(const void* buf, int count, |
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242 | const MPI::Datatype& datatype); |
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243 | |
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244 | void Write_all(const void* buf, int count, |
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245 | const MPI::Datatype& datatype, MPI::Status& status); |
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246 | |
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247 | void Write_all_begin(const void* buf, int count, |
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248 | const MPI::Datatype& datatype); |
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249 | |
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250 | void Write_all_end(const void* buf); |
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251 | |
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252 | void Write_all_end(const void* buf, MPI::Status& status); |
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253 | |
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254 | void Write_at(MPI::Offset offset, const void* buf, int count, |
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255 | const MPI::Datatype& datatype); |
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256 | |
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257 | void Write_at(MPI::Offset offset, const void* buf, int count, |
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258 | const MPI::Datatype& datatype, MPI::Status& status); |
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259 | |
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260 | void Write_at_all(MPI::Offset offset, const void* buf, int count, |
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261 | const MPI::Datatype& datatype); |
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262 | |
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263 | void Write_at_all(MPI::Offset offset, const void* buf, int count, |
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264 | const MPI::Datatype& datatype, |
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265 | MPI::Status& status); |
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266 | |
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267 | void Write_at_all_begin(MPI::Offset offset, const void* buf, |
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268 | int count, const MPI::Datatype& datatype); |
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269 | |
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270 | void Write_at_all_end(const void* buf); |
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271 | |
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272 | void Write_at_all_end(const void* buf, MPI::Status& status); |
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273 | |
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274 | void Write_ordered(const void* buf, int count, |
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275 | const MPI::Datatype& datatype); |
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276 | |
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277 | void Write_ordered(const void* buf, int count, |
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278 | const MPI::Datatype& datatype, MPI::Status& status); |
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279 | |
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280 | void Write_ordered_begin(const void* buf, int count, |
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281 | const MPI::Datatype& datatype); |
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282 | |
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283 | void Write_ordered_end(const void* buf); |
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284 | |
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285 | void Write_ordered_end(const void* buf, MPI::Status& status); |
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286 | |
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287 | void Write_shared(const void* buf, int count, |
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288 | const MPI::Datatype& datatype); |
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289 | |
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290 | void Write_shared(const void* buf, int count, |
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291 | const MPI::Datatype& datatype, MPI::Status& status); |
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292 | |
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293 | // |
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294 | // Errhandler |
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295 | // |
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296 | typedef void Errhandler_fn(MPI::File &, int *, ... ); |
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297 | |
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298 | static MPI::Errhandler Create_errhandler(Errhandler_fn* function); |
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299 | |
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300 | MPI::Errhandler Get_errhandler() const; |
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301 | |
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302 | void Set_errhandler(const MPI::Errhandler& errhandler) const; |
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303 | |
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304 | void Call_errhandler(int errorcode) const; |
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305 | |
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306 | protected: |
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307 | #if 0 /* OMPI_ENABLE_MPI_PROFILING */ |
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308 | PMPI::File pmpi_file; |
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309 | |
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310 | #else |
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311 | MPI_File mpi_file; |
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312 | |
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313 | #endif |
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314 | }; |
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315 | |
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