1 /* 2 This provides a few of the MPI-uni functions that cannot be implemented 3 with C macros 4 */ 5 #include <mpiuni/mpi.h> 6 #if !defined(__MPIUNI_H) 7 #error "Wrong mpi.h included! require mpi.h from MPIUNI" 8 #endif 9 #if !defined(PETSC_STDCALL) 10 #define PETSC_STDCALL 11 #endif 12 #include <stdio.h> 13 #if defined(PETSC_HAVE_STDLIB_H) 14 #include <stdlib.h> 15 #endif 16 17 #define MPI_SUCCESS 0 18 #define MPI_FAILURE 1 19 void *MPIUNI_TMP = 0; 20 int MPIUNI_DATASIZE[10] = {sizeof(int),sizeof(float),sizeof(double),2*sizeof(double),sizeof(char),2*sizeof(int),4*sizeof(double),4,8,2*sizeof(double)}; 21 /* 22 With MPI Uni there are exactly four distinct communicators: 23 MPI_COMM_SELF, MPI_COMM_WORLD, and a MPI_Comm_dup() of each of these (duplicates of duplicates return the same communictor) 24 25 MPI_COMM_SELF and MPI_COMM_WORLD are MPI_Comm_free() in MPI_Finalize() but in general with PETSc, 26 the other communicators are freed once the last PETSc object is freed (before MPI_Finalize()). 27 28 */ 29 #define MAX_ATTR 128 30 31 typedef struct { 32 void *attribute_val; 33 int active; 34 } MPI_Attr; 35 36 typedef struct { 37 void *extra_state; 38 MPI_Delete_function *del; 39 } MPI_Attr_keyval; 40 41 static MPI_Attr_keyval attr_keyval[MAX_ATTR]; 42 static MPI_Attr attr[4][MAX_ATTR]; 43 static int num_attr = 1,mpi_tag_ub = 100000000; 44 45 #if defined(__cplusplus) 46 extern "C" { 47 #endif 48 49 /* 50 To avoid problems with prototypes to the system memcpy() it is duplicated here 51 */ 52 int MPIUNI_Memcpy(void *a,const void* b,int n) { 53 int i; 54 char *aa= (char*)a; 55 char *bb= (char*)b; 56 57 if (b == MPI_IN_PLACE) return 0; 58 for (i=0; i<n; i++) aa[i] = bb[i]; 59 return 0; 60 } 61 62 /* 63 Used to set the built-in MPI_TAG_UB attribute 64 */ 65 static int Keyval_setup(void) 66 { 67 attr[MPI_COMM_WORLD-1][0].active = 1; 68 attr[MPI_COMM_WORLD-1][0].attribute_val = &mpi_tag_ub; 69 attr[MPI_COMM_SELF-1][0].active = 1; 70 attr[MPI_COMM_SELF-1][0].attribute_val = &mpi_tag_ub; 71 return 0; 72 } 73 74 int MPI_Keyval_create(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state) 75 { 76 if (num_attr >= MAX_ATTR) MPI_Abort(MPI_COMM_WORLD,1); 77 78 attr_keyval[num_attr].extra_state = extra_state; 79 attr_keyval[num_attr].del = delete_fn; 80 *keyval = num_attr++; 81 return 0; 82 } 83 84 int MPI_Keyval_free(int *keyval) 85 { 86 return MPI_SUCCESS; 87 } 88 89 int MPI_Attr_put(MPI_Comm comm,int keyval,void *attribute_val) 90 { 91 if (comm-1 < 0 || comm-1 > 3) return 1; 92 attr[comm-1][keyval].active = 1; 93 attr[comm-1][keyval].attribute_val = attribute_val; 94 return MPI_SUCCESS; 95 } 96 97 int MPI_Attr_delete(MPI_Comm comm,int keyval) 98 { 99 if (comm-1 < 0 || comm-1 > 3) return 1; 100 if (attr[comm-1][keyval].active && attr_keyval[keyval].del) { 101 void* save_attribute_val = attr[comm-1][keyval].attribute_val; 102 attr[comm-1][keyval].active = 0; 103 attr[comm-1][keyval].attribute_val = 0; 104 (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state); 105 } 106 return MPI_SUCCESS; 107 } 108 109 int MPI_Attr_get(MPI_Comm comm,int keyval,void *attribute_val,int *flag) 110 { 111 if (comm-1 < 0 || comm-1 > 3) return 1; 112 if (!keyval) Keyval_setup(); 113 *flag = attr[comm-1][keyval].active; 114 *(void **)attribute_val = attr[comm-1][keyval].attribute_val; 115 return MPI_SUCCESS; 116 } 117 118 static int dups[4] = {1,1,1,1}; 119 int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm) 120 { 121 if (comm-1 < 0 || comm-1 > 3) return 1; 122 dups[comm-1]++; 123 *newcomm = comm; 124 return MPI_SUCCESS; 125 } 126 127 int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out) 128 { 129 if (comm-1 < 0 || comm-1 > 3) return 1; 130 if (comm == MPI_COMM_WORLD || comm == MPI_COMM_SELF) { 131 *out = comm + 2; 132 } else { 133 *out = comm; 134 dups[comm-1]++; 135 } 136 return 0; 137 } 138 139 int MPI_Comm_free(MPI_Comm *comm) 140 { 141 int i; 142 143 if (*comm-1 < 0 || *comm-1 > 3) return 1; 144 if (--dups[*comm-1]) return MPI_SUCCESS; 145 for (i=0; i<num_attr; i++) { 146 if (attr[*comm-1][i].active && attr_keyval[i].del) { 147 (*attr_keyval[i].del)(*comm,i,attr[*comm-1][i].attribute_val,attr_keyval[i].extra_state); 148 } 149 attr[*comm-1][i].active = 0; 150 } 151 *comm = 0; 152 return MPI_SUCCESS; 153 } 154 155 int MPI_Comm_size(MPI_Comm comm, int*size) 156 { 157 *size=1; 158 return MPI_SUCCESS; 159 } 160 161 int MPI_Comm_rank(MPI_Comm comm, int*rank) 162 { 163 *rank=0; 164 return MPI_SUCCESS; 165 } 166 167 int MPI_Abort(MPI_Comm comm,int errorcode) 168 { 169 abort(); 170 return MPI_SUCCESS; 171 } 172 173 /* --------------------------------------------------------------------------*/ 174 175 static int MPI_was_initialized = 0; 176 static int MPI_was_finalized = 0; 177 178 int MPI_Init(int *argc, char ***argv) 179 { 180 if (MPI_was_initialized) return 1; 181 if (MPI_was_finalized) return 1; 182 MPI_was_initialized = 1; 183 return 0; 184 } 185 186 int MPI_Finalize(void) 187 { 188 MPI_Comm comm; 189 if (MPI_was_finalized) return 1; 190 if (!MPI_was_initialized) return 1; 191 comm = MPI_COMM_WORLD; 192 MPI_Comm_free(&comm); 193 comm = MPI_COMM_SELF; 194 MPI_Comm_free(&comm); 195 MPI_was_finalized = 1; 196 return 0; 197 } 198 199 int MPI_Initialized(int *flag) 200 { 201 *flag = MPI_was_initialized; 202 return 0; 203 } 204 205 int MPI_Finalized(int *flag) 206 { 207 *flag = MPI_was_finalized; 208 return 0; 209 } 210 211 /* ------------------- Fortran versions of several routines ------------------ */ 212 213 #if defined(PETSC_HAVE_FORTRAN_CAPS) 214 #define mpi_init_ MPI_INIT 215 #define mpi_finalize_ MPI_FINALIZE 216 #define mpi_comm_size_ MPI_COMM_SIZE 217 #define mpi_comm_rank_ MPI_COMM_RANK 218 #define mpi_abort_ MPI_ABORT 219 #define mpi_reduce_ MPI_REDUCE 220 #define mpi_allreduce_ MPI_ALLREDUCE 221 #define mpi_barrier_ MPI_BARRIER 222 #define mpi_bcast_ MPI_BCAST 223 #define mpi_gather_ MPI_GATHER 224 #define mpi_allgather_ MPI_ALLGATHER 225 #define mpi_comm_split_ MPI_COMM_SPLIT 226 #define mpi_scan_ MPI_SCAN 227 #define mpi_send_ MPI_SEND 228 #define mpi_recv_ MPI_RECV 229 #define mpi_reduce_scatter_ MPI_REDUCE_SCATTER 230 #define mpi_irecv_ MPI_IRECV 231 #define mpi_isend_ MPI_ISEND 232 #define mpi_sendrecv_ MPI_SENDRECV 233 #define mpi_test_ MPI_TEST 234 #define mpi_waitall_ MPI_WAITALL 235 #define mpi_waitany_ MPI_WAITANY 236 #define mpi_allgatherv_ MPI_ALLGATHERV 237 #define mpi_alltoallv_ MPI_ALLTOALLV 238 #define mpi_comm_create_ MPI_COMM_CREATE 239 #define mpi_address_ MPI_ADDRESS 240 #define mpi_pack_ MPI_PACK 241 #define mpi_unpack_ MPI_UNPACK 242 #define mpi_pack_size_ MPI_PACK_SIZE 243 #define mpi_type_struct_ MPI_TYPE_STRUCT 244 #define mpi_type_commit_ MPI_TYPE_COMMIT 245 #define mpi_wtime_ MPI_WTIME 246 #define mpi_cancel_ MPI_CANCEL 247 #define mpi_comm_dup_ MPI_COMM_DUP 248 #define mpi_comm_free_ MPI_COMM_FREE 249 #define mpi_get_count_ MPI_GET_COUNT 250 #define mpi_get_processor_name_ MPI_GET_PROCESSOR_NAME 251 #define mpi_initialized_ MPI_INITIALIZED 252 #define mpi_iprobe_ MPI_IPROBE 253 #define mpi_probe_ MPI_PROBE 254 #define mpi_request_free_ MPI_REQUEST_FREE 255 #define mpi_ssend_ MPI_SSEND 256 #define mpi_wait_ MPI_WAIT 257 #define mpi_comm_group_ MPI_COMM_GROUP 258 #define mpi_exscan_ MPI_EXSCAN 259 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 260 #define mpi_init_ mpi_init 261 #define mpi_finalize_ mpi_finalize 262 #define mpi_comm_size_ mpi_comm_size 263 #define mpi_comm_rank_ mpi_comm_rank 264 #define mpi_abort_ mpi_abort 265 #define mpi_reduce_ mpi_reduce 266 #define mpi_allreduce_ mpi_allreduce 267 #define mpi_barrier_ mpi_barrier 268 #define mpi_bcast_ mpi_bcast 269 #define mpi_gather_ mpi_gather 270 #define mpi_allgather_ mpi_allgather 271 #define mpi_comm_split_ mpi_comm_split 272 #define mpi_scan_ mpi_scan 273 #define mpi_send_ mpi_send 274 #define mpi_recv_ mpi_recv 275 #define mpi_reduce_scatter_ mpi_reduce_scatter 276 #define mpi_irecv_ mpi_irecv 277 #define mpi_isend_ mpi_isend 278 #define mpi_sendrecv_ mpi_sendrecv 279 #define mpi_test_ mpi_test 280 #define mpi_waitall_ mpi_waitall 281 #define mpi_waitany_ mpi_waitany 282 #define mpi_allgatherv_ mpi_allgatherv 283 #define mpi_alltoallv_ mpi_alltoallv 284 #define mpi_comm_create_ mpi_comm_create 285 #define mpi_address_ mpi_address 286 #define mpi_pack_ mpi_pack 287 #define mpi_unpack_ mpi_unpack 288 #define mpi_pack_size_ mpi_pack_size 289 #define mpi_type_struct_ mpi_type_struct 290 #define mpi_type_commit_ mpi_type_commit 291 #define mpi_wtime_ mpi_wtime 292 #define mpi_cancel_ mpi_cancel 293 #define mpi_comm_dup_ mpi_comm_dup 294 #define mpi_comm_free_ mpi_comm_free 295 #define mpi_get_count_ mpi_get_count 296 #define mpi_get_processor_name_ mpi_get_processor_name 297 #define mpi_initialized_ mpi_initialized 298 #define mpi_iprobe_ mpi_iprobe 299 #define mpi_probe_ mpi_probe 300 #define mpi_request_free_ mpi_request_free 301 #define mpi_ssend_ mpi_ssend 302 #define mpi_wait_ mpi_wait 303 #define mpi_comm_group_ mpi_comm_group 304 #define mpi_exscan_ mpi_exscan 305 #endif 306 307 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE) 308 #define mpi_init_ mpi_init__ 309 #define mpi_finalize_ mpi_finalize__ 310 #define mpi_comm_size_ mpi_comm_size__ 311 #define mpi_comm_rank_ mpi_comm_rank__ 312 #define mpi_abort_ mpi_abort__ 313 #define mpi_reduce_ mpi_reduce__ 314 #define mpi_allreduce_ mpi_allreduce__ 315 #define mpi_barrier_ mpi_barrier__ 316 #define mpi_bcast_ mpi_bcast__ 317 #define mpi_gather_ mpi_gather__ 318 #define mpi_allgather_ mpi_allgather__ 319 #define mpi_comm_split_ mpi_comm_split__ 320 #define mpi_scan_ mpi_scan__ 321 #define mpi_send_ mpi_send__ 322 #define mpi_recv_ mpi_recv__ 323 #define mpi_reduce_scatter_ mpi_reduce_scatter__ 324 #define mpi_irecv_ mpi_irecv__ 325 #define mpi_isend_ mpi_isend__ 326 #define mpi_sendrecv_ mpi_sendrecv__ 327 #define mpi_test_ mpi_test__ 328 #define mpi_waitall_ mpi_waitall__ 329 #define mpi_waitany_ mpi_waitany__ 330 #define mpi_allgatherv_ mpi_allgatherv__ 331 #define mpi_alltoallv_ mpi_alltoallv__ 332 #define mpi_comm_create_ mpi_comm_create__ 333 #define mpi_address_ mpi_address__ 334 #define mpi_pack_ mpi_pack__ 335 #define mpi_unpack_ mpi_unpack__ 336 #define mpi_pack_size_ mpi_pack_size__ 337 #define mpi_type_struct_ mpi_type_struct__ 338 #define mpi_type_commit_ mpi_type_commit__ 339 #define mpi_wtime_ mpi_wtime__ 340 #define mpi_cancel_ mpi_cancel__ 341 #define mpi_comm_dup_ mpi_comm_dup__ 342 #define mpi_comm_free_ mpi_comm_free__ 343 #define mpi_get_count_ mpi_get_count__ 344 #define mpi_get_processor_name_ mpi_get_processor_name__ 345 #define mpi_initialized_ mpi_initialized__ 346 #define mpi_iprobe_ mpi_iprobe__ 347 #define mpi_probe_ mpi_probe__ 348 #define mpi_request_free_ mpi_request_free__ 349 #define mpi_ssend_ mpi_ssend__ 350 #define mpi_wait_ mpi_wait__ 351 #define mpi_comm_group_ mpi_comm_group__ 352 #define mpi_exscan_ mpi_exscan__ 353 #endif 354 355 356 /* Do not build fortran interface if MPI namespace colision is to be avoided */ 357 #if !defined(MPIUNI_AVOID_MPI_NAMESPACE) 358 359 void PETSC_STDCALL mpi_init_(int *ierr) 360 { 361 *ierr = MPI_Init((int*)0, (char***)0); 362 } 363 364 void PETSC_STDCALL mpi_finalize_(int *ierr) 365 { 366 *ierr = MPI_Finalize(); 367 } 368 369 void PETSC_STDCALL mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr) 370 { 371 *size = 1; 372 *ierr = 0; 373 } 374 375 void PETSC_STDCALL mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr) 376 { 377 *rank=0; 378 *ierr=MPI_SUCCESS; 379 } 380 381 void PETSC_STDCALL mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr) 382 { 383 *newcomm = *comm; 384 *ierr=MPI_SUCCESS; 385 } 386 387 void PETSC_STDCALL mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr) 388 { 389 abort(); 390 *ierr = MPI_SUCCESS; 391 } 392 393 void PETSC_STDCALL mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr) 394 { 395 MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]); 396 *ierr = MPI_SUCCESS; 397 } 398 399 void PETSC_STDCALL mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 400 { 401 MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]); 402 *ierr = MPI_SUCCESS; 403 } 404 405 void PETSC_STDCALL mpi_barrier_(MPI_Comm *comm,int *ierr) 406 { 407 *ierr = MPI_SUCCESS; 408 } 409 410 void PETSC_STDCALL mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr) 411 { 412 *ierr = MPI_SUCCESS; 413 } 414 415 416 void PETSC_STDCALL mpi_gather_(void *sendbuf,int *scount,int *sdatatype, void* recvbuf, int* rcount, int* rdatatype, int *root,int *comm,int *ierr) 417 { 418 MPIUNI_Memcpy(recvbuf,sendbuf,(*scount)*MPIUNI_DATASIZE[*sdatatype]); 419 *ierr = MPI_SUCCESS; 420 } 421 422 void PETSC_STDCALL mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void* recvbuf, int* rcount, int* rdatatype,int *comm,int *ierr) 423 { 424 MPIUNI_Memcpy(recvbuf,sendbuf,(*scount)*MPIUNI_DATASIZE[*sdatatype]); 425 *ierr = MPI_SUCCESS; 426 } 427 428 void PETSC_STDCALL mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr) 429 { 430 MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]); 431 *ierr = MPI_SUCCESS; 432 } 433 434 void PETSC_STDCALL mpi_send_(void*buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr ) 435 { 436 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 437 } 438 439 void PETSC_STDCALL mpi_recv_(void*buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr ) 440 { 441 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 442 } 443 444 void PETSC_STDCALL mpi_reduce_scatter_(void*sendbuf,void*recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr) 445 { 446 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 447 } 448 449 void PETSC_STDCALL mpi_irecv_(void*buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr) 450 { 451 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 452 } 453 454 void PETSC_STDCALL mpi_isend_(void*buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr) 455 { 456 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 457 } 458 459 void PETSC_STDCALL mpi_sendrecv_(void*sendbuf,int *sendcount,int *sendtype,int *dest,int *sendtag,void*recvbuf,int *recvcount,int *recvtype,int *source,int *recvtag,int *comm,int *status,int *ierr) 460 { 461 MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]); 462 *ierr = MPI_SUCCESS; 463 } 464 465 void PETSC_STDCALL mpi_test_(int *request,int *flag,int *status,int *ierr) 466 { 467 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 468 } 469 470 void PETSC_STDCALL mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr) 471 { 472 *ierr = MPI_SUCCESS; 473 } 474 475 void PETSC_STDCALL mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr) 476 { 477 *ierr = MPI_SUCCESS; 478 } 479 480 void PETSC_STDCALL mpi_allgatherv_(void*sendbuf,int *sendcount,int *sendtype,void*recvbuf,int *recvcounts,int *displs,int *recvtype,int *comm,int *ierr) 481 { 482 MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]); 483 *ierr = MPI_SUCCESS; 484 } 485 486 void PETSC_STDCALL mpi_alltoallv_(void*sendbuf,int *sendcounts,int *sdispls,int *sendtype,void*recvbuf,int *recvcounts,int *rdispls,int *recvtype,int *comm,int *ierr) 487 { 488 MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcounts)*MPIUNI_DATASIZE[*sendtype]); 489 *ierr = MPI_SUCCESS; 490 } 491 492 void PETSC_STDCALL mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr) 493 { 494 *newcomm = *comm; 495 *ierr = MPI_SUCCESS; 496 } 497 498 void PETSC_STDCALL mpi_address_(void*location,MPIUNI_INTPTR *address,int *ierr) 499 { 500 *address = (MPIUNI_INTPTR) location; 501 *ierr = MPI_SUCCESS; 502 } 503 504 void PETSC_STDCALL mpi_pack_(void*inbuf,int *incount,int *datatype,void*outbuf,int *outsize,int *position,int *comm,int *ierr) 505 { 506 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 507 } 508 509 void PETSC_STDCALL mpi_unpack_(void*inbuf,int *insize,int *position,void*outbuf,int *outcount,int *datatype,int *comm,int *ierr) 510 { 511 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 512 } 513 514 void PETSC_STDCALL mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr) 515 { 516 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 517 } 518 519 void PETSC_STDCALL mpi_type_struct_(int *count,int *array_of_blocklengths,int * array_of_displaments,int *array_of_types,int *newtype,int *ierr) 520 { 521 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 522 } 523 524 void PETSC_STDCALL mpi_type_commit_(int *datatype,int *ierr) 525 { 526 *ierr = MPI_SUCCESS; 527 } 528 529 double PETSC_STDCALL mpi_wtime_(void) 530 { 531 return 0.0; 532 } 533 534 void PETSC_STDCALL mpi_cancel_(int *request,int *ierr) 535 { 536 *ierr = MPI_SUCCESS; 537 } 538 539 void PETSC_STDCALL mpi_comm_dup_(int *comm,int *out,int *ierr) 540 { 541 *out = *comm; 542 *ierr = MPI_SUCCESS; 543 } 544 545 void PETSC_STDCALL mpi_comm_free_(int *comm,int *ierr) 546 { 547 *ierr = MPI_SUCCESS; 548 } 549 550 void PETSC_STDCALL mpi_get_count_(int *status,int *datatype,int *count,int *ierr) 551 { 552 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 553 } 554 555 /* duplicate from fortranimpl.h */ 556 #if defined(PETSC_HAVE_FORTRAN_MIXED_STR_ARG) 557 #define PETSC_MIXED_LEN(len) ,int len 558 #define PETSC_END_LEN(len) 559 #else 560 #define PETSC_MIXED_LEN(len) 561 #define PETSC_END_LEN(len) ,int len 562 #endif 563 564 void PETSC_STDCALL mpi_get_processor_name_(char *name PETSC_MIXED_LEN(len),int *result_len,int *ierr PETSC_END_LEN(len)) 565 { 566 MPIUNI_Memcpy(name,"localhost",9*sizeof(char)); 567 *result_len = 9; 568 *ierr = MPI_SUCCESS; 569 } 570 571 void PETSC_STDCALL mpi_initialized_(int *flag,int *ierr) 572 { 573 *flag = MPI_was_initialized; 574 *ierr = MPI_SUCCESS; 575 } 576 577 void PETSC_STDCALL mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr) 578 { 579 *ierr = MPI_SUCCESS; 580 } 581 582 void PETSC_STDCALL mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr) 583 { 584 *ierr = MPI_SUCCESS; 585 } 586 587 void PETSC_STDCALL mpi_request_free_(int *request,int *ierr) 588 { 589 *ierr = MPI_SUCCESS; 590 } 591 592 void PETSC_STDCALL mpi_ssend_(void*buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr) 593 { 594 *ierr = MPI_Abort(MPI_COMM_WORLD,0); 595 } 596 597 void PETSC_STDCALL mpi_wait_(int *request,int *status,int *ierr) 598 { 599 *ierr = MPI_SUCCESS; 600 } 601 602 void PETSC_STDCALL mpi_comm_group_(int*comm,int*group,int *ierr) 603 { 604 *ierr = MPI_SUCCESS; 605 } 606 607 void PETSC_STDCALL mpi_exscan_(void*sendbuf,void*recvbuf,int*count,int*datatype,int*op,int*comm,int*ierr) 608 { 609 *ierr = MPI_SUCCESS; 610 } 611 612 #endif /* MPIUNI_AVOID_MPI_NAMESPACE */ 613 614 #if defined(__cplusplus) 615 } 616 #endif 617