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