1 | |
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2 | #include "mpiP.h" |
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3 | |
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4 | |
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5 | |
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6 | /* |
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7 | * Communicators |
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8 | * |
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9 | */ |
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10 | |
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11 | |
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12 | |
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13 | MPI_Comm mpi_comm_new(void) |
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14 | { |
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15 | MPI_Comm chandle; |
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16 | Comm *cptr; |
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17 | static int num=0; |
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18 | |
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19 | mpi_alloc_handle(&chandle,(void **) &cptr); |
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20 | |
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21 | cptr->sendlist=AP_list_new(); |
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22 | cptr->recvlist=AP_list_new(); |
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23 | |
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24 | cptr->num=num++; |
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25 | |
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26 | return(chandle); |
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27 | } |
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28 | |
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29 | |
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30 | /*********/ |
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31 | |
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32 | |
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33 | FC_FUNC( mpi_comm_free , MPI_COMM_FREE )(int *comm, int *ierror) |
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34 | { |
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35 | *ierror=MPI_Comm_free(comm); |
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36 | } |
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37 | |
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38 | |
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39 | /* |
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40 | * MPI_Comm_free() |
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41 | * |
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42 | * Note: will NOT free any pending MPI_Request handles |
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43 | * that are allocated... correct user code should have |
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44 | * already done a Wait or Test to free them. |
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45 | * |
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46 | */ |
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47 | |
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48 | |
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49 | int MPI_Comm_free(MPI_Comm *comm) |
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50 | { |
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51 | pList sendlist, recvlist; |
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52 | int size; |
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53 | Comm *mycomm; |
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54 | |
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55 | mycomm=mpi_handle_to_ptr(*comm); /* (Comm *)(*comm) */ |
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56 | |
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57 | sendlist=mycomm->sendlist; |
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58 | recvlist=mycomm->recvlist; |
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59 | |
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60 | size=AP_list_size(sendlist); |
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61 | if (size!=0) |
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62 | fprintf(stderr,"MPI_Comm_free: warning: %d pending send reqs\n", |
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63 | size); |
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64 | AP_list_free(sendlist); |
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65 | |
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66 | |
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67 | size=AP_list_size(recvlist); |
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68 | if (size!=0) |
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69 | fprintf(stderr,"MPI_Comm_free: warning: %d pending receive reqs\n", |
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70 | size); |
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71 | AP_list_free(recvlist); |
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72 | |
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73 | mpi_free_handle(*comm); /* free(mycomm); */ |
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74 | *comm=MPI_COMM_NULL; |
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75 | |
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76 | return(MPI_SUCCESS); |
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77 | } |
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78 | |
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79 | |
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80 | /*********/ |
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81 | |
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82 | |
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83 | |
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84 | FC_FUNC( mpi_comm_size , MPI_COMM_SIZE )(int *comm, int *size, int *ierror) |
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85 | { |
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86 | *ierror=MPI_Comm_size(*comm, size); |
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87 | } |
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88 | |
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89 | |
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90 | |
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91 | int MPI_Comm_size(MPI_Comm comm, int *size) |
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92 | { |
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93 | *size=1; |
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94 | |
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95 | return(MPI_SUCCESS); |
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96 | } |
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97 | |
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98 | |
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99 | /*********/ |
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100 | |
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101 | |
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102 | FC_FUNC( mpi_comm_rank , MPI_COMM_RANK )(int *comm, int *rank, int *ierror) |
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103 | { |
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104 | *ierror=MPI_Comm_rank( *comm, rank); |
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105 | } |
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106 | |
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107 | |
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108 | int MPI_Comm_rank(MPI_Comm comm, int *rank) |
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109 | { |
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110 | *rank=0; |
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111 | |
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112 | return(MPI_SUCCESS); |
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113 | } |
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114 | |
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115 | |
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116 | |
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117 | /*********/ |
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118 | |
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119 | |
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120 | FC_FUNC( mpi_comm_dup , MPI_COMM_DUP )(int *comm, int *newcomm, int *ierror) |
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121 | { |
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122 | |
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123 | *ierror=MPI_Comm_dup( *comm, newcomm); |
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124 | |
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125 | } |
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126 | |
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127 | |
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128 | int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm) |
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129 | { |
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130 | *newcomm= mpi_comm_new(); |
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131 | |
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132 | #ifdef INFO |
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133 | fflush(stdout); |
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134 | fprintf(stderr,"MPI_Comm_dup: new comm handle=%d\n",*newcomm); |
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135 | #endif |
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136 | |
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137 | return(MPI_SUCCESS); |
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138 | } |
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139 | |
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140 | |
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141 | /*********/ |
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142 | |
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143 | |
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144 | int FC_FUNC( mpi_comm_create, MPI_COMM_CREATE) |
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145 | (int *comm, int *group, int *newcomm, int *ierror) |
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146 | { |
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147 | *ierror=MPI_Comm_create(*comm,*group,newcomm); |
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148 | } |
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149 | |
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150 | |
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151 | |
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152 | int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm *newcomm) |
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153 | { |
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154 | if (group==MPI_GROUP_NULL || group==MPI_GROUP_EMPTY) |
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155 | *newcomm= MPI_COMM_NULL; |
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156 | else |
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157 | *newcomm=mpi_comm_new(); |
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158 | |
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159 | return(MPI_SUCCESS); |
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160 | } |
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161 | |
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162 | |
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163 | |
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164 | /*********/ |
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165 | |
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166 | |
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167 | FC_FUNC( mpi_comm_split, MPI_COMM_SPLIT ) |
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168 | (int *comm, int *color, int *key, int *newcomm, int *ierror) |
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169 | { |
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170 | *ierror=MPI_Comm_split(*comm,*color,*key,newcomm); |
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171 | |
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172 | } |
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173 | |
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174 | |
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175 | |
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176 | int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm *newcomm) |
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177 | { |
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178 | if (color==MPI_UNDEFINED) |
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179 | *newcomm=MPI_COMM_NULL; |
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180 | else |
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181 | *newcomm= mpi_comm_new(); |
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182 | |
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183 | return(MPI_SUCCESS); |
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184 | } |
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185 | |
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186 | |
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187 | /*********/ |
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188 | |
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189 | |
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190 | FC_FUNC( mpi_comm_group, MPI_COMM_GROUP ) |
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191 | (int *comm, int *group, int *ierror) |
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192 | { |
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193 | *ierror= MPI_Comm_group(*comm, group); |
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194 | } |
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195 | |
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196 | |
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197 | |
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198 | int MPI_Comm_group(MPI_Comm comm, MPI_Group *group) |
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199 | { |
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200 | if (comm==MPI_COMM_NULL) |
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201 | *group= MPI_GROUP_NULL; |
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202 | else |
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203 | *group= MPI_GROUP_ONE; |
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204 | |
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205 | return(MPI_SUCCESS); |
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206 | } |
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207 | |
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208 | /* Intercomm_create |
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209 | * |
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210 | */ |
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211 | |
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212 | FC_FUNC(mpi_intercomm_create, MPI_INTERCOMM_CREATE)( |
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213 | int * local_comm, int * local_leader, |
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214 | int * peer_comm, int * remote_leader, |
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215 | int * tag, int * newintercomm, int* ierr) |
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216 | { |
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217 | *ierr = MPI_Intercomm_create(*local_comm, *local_leader, *peer_comm, |
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218 | *remote_leader, *tag, newintercomm); |
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219 | } |
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220 | |
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221 | int MPI_Intercomm_create(MPI_Comm local_comm, int local_leader, |
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222 | MPI_Comm peer_comm, int remote_leader, |
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223 | int tag, MPI_Comm *newintercomm) |
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224 | { |
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225 | if (local_comm==MPI_COMM_NULL && peer_comm==MPI_COMM_NULL) |
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226 | *newintercomm = MPI_COMM_NULL; |
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227 | else |
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228 | MPI_Comm_dup(MPI_COMM_WORLD, newintercomm); |
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229 | |
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230 | return MPI_SUCCESS; |
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231 | } |
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232 | |
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233 | |
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234 | /*********/ |
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235 | |
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236 | |
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237 | MPI_Comm MPI_Comm_f2c(MPI_Fint comm) |
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238 | { |
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239 | /* Comm is an integer handle used both by C and Fortran */ |
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240 | return(comm); |
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241 | } |
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242 | |
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243 | |
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244 | MPI_Fint MPI_Comm_c2f(MPI_Comm comm) |
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245 | { |
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246 | return(comm); |
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247 | } |
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