Actual source code: mpi.c

petsc-3.6.4 2016-04-12
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  1: /*
  2:       This provides a few of the MPI-uni functions that cannot be implemented
  3:     with C macros
  4: */
  5: #include <petscsys.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

 13: #define MPI_SUCCESS 0
 14: #define MPI_FAILURE 1

 16: void *MPIUNI_TMP         = 0;
 17: 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)};
 18: /*
 19:        With MPI Uni there are exactly four distinct communicators:
 20:     MPI_COMM_SELF, MPI_COMM_WORLD, and a MPI_Comm_dup() of each of these (duplicates of duplicates return the same communictor)

 22:     MPI_COMM_SELF and MPI_COMM_WORLD are MPI_Comm_free() in MPI_Finalize() but in general with PETSc,
 23:      the other communicators are freed once the last PETSc object is freed (before MPI_Finalize()).

 25: */
 26: #define MAX_ATTR 128
 27: #define MAX_COMM 128

 29: static int MaxComm = 2;

 31: typedef struct {
 32:   void *attribute_val;
 33:   int  active;
 34: } MPI_Attr;

 36: typedef struct {
 37:   void                *extra_state;
 38:   MPI_Delete_function *del;
 39: } MPI_Attr_keyval;

 41: static MPI_Attr_keyval attr_keyval[MAX_ATTR];
 42: static MPI_Attr        attr[MAX_COMM][MAX_ATTR];
 43: static int             num_attr = 1,mpi_tag_ub = 100000000;
 44: static void*           MPIUNIF_mpi_in_place = 0;

 46: #if defined(__cplusplus)
 47: extern "C" {
 48: #endif

 50: /*
 51:    To avoid problems with prototypes to the system memcpy() it is duplicated here
 52: */
 53: int MPIUNI_Memcpy(void *a,const void *b,int n)
 54: {
 55:   int  i;
 56:   char *aa= (char*)a;
 57:   char *bb= (char*)b;

 59:   if (a == MPI_IN_PLACE || a == MPIUNIF_mpi_in_place) return 0;
 60:   if (b == MPI_IN_PLACE || b == MPIUNIF_mpi_in_place) return 0;
 61:   for (i=0; i<n; i++) aa[i] = bb[i];
 62:   return 0;
 63: }

 65: /*
 66:    Used to set the built-in MPI_TAG_UB attribute
 67: */
 68: static int Keyval_setup(void)
 69: {
 70:   attr[MPI_COMM_WORLD-1][0].active        = 1;
 71:   attr[MPI_COMM_WORLD-1][0].attribute_val = &mpi_tag_ub;
 72:   attr[MPI_COMM_SELF-1][0].active         = 1;
 73:   attr[MPI_COMM_SELF-1][0].attribute_val  = &mpi_tag_ub;
 74:   return 0;
 75: }

 77: int MPI_Keyval_create(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state)
 78: {
 79:   if (num_attr >= MAX_ATTR) MPI_Abort(MPI_COMM_WORLD,1);

 81:   attr_keyval[num_attr].extra_state = extra_state;
 82:   attr_keyval[num_attr].del         = delete_fn;
 83:   *keyval                           = num_attr++;
 84:   return 0;
 85: }

 87: int MPI_Keyval_free(int *keyval)
 88: {
 89:   attr_keyval[*keyval].extra_state = 0;
 90:   attr_keyval[*keyval].del         = 0;

 92:   *keyval = 0;
 93:   return MPI_SUCCESS;
 94: }

 96: int MPI_Attr_put(MPI_Comm comm,int keyval,void *attribute_val)
 97: {
 98:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
 99:   attr[comm-1][keyval].active        = 1;
100:   attr[comm-1][keyval].attribute_val = attribute_val;
101:   return MPI_SUCCESS;
102: }

104: int MPI_Attr_delete(MPI_Comm comm,int keyval)
105: {
106:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
107:   if (attr[comm-1][keyval].active && attr_keyval[keyval].del) {
108:     void *save_attribute_val = attr[comm-1][keyval].attribute_val;
109:     attr[comm-1][keyval].active        = 0;
110:     attr[comm-1][keyval].attribute_val = 0;
111:     (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state);
112:   }
113:   return MPI_SUCCESS;
114: }

116: int MPI_Attr_get(MPI_Comm comm,int keyval,void *attribute_val,int *flag)
117: {
118:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
119:   if (!keyval) Keyval_setup();
120:   *flag                  = attr[comm-1][keyval].active;
121:   *(void**)attribute_val = attr[comm-1][keyval].attribute_val;
122:   return MPI_SUCCESS;
123: }

125: int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm)
126: {
127:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
128:   if (MaxComm > MAX_COMM) return MPI_FAILURE;
129:   *newcomm =  MaxComm++;
130:   return MPI_SUCCESS;
131: }

133: int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out)
134: {
135:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
136:   if (MaxComm > MAX_COMM) return MPI_FAILURE;
137:   *out = MaxComm++;
138:   return 0;
139: }

141: int MPI_Comm_free(MPI_Comm *comm)
142: {
143:   int i;

145:   if (*comm-1 < 0 || *comm-1 > MaxComm) return 1;
146:   for (i=0; i<num_attr; i++) {
147:     if (attr[*comm-1][i].active && attr_keyval[i].del) (*attr_keyval[i].del)(*comm,i,attr[*comm-1][i].attribute_val,attr_keyval[i].extra_state);
148:     attr[*comm-1][i].active        = 0;
149:     attr[*comm-1][i].attribute_val = 0;
150:   }
151:   *comm = 0;
152:   return MPI_SUCCESS;
153: }

155: int MPI_Comm_size(MPI_Comm comm, int *size)
156: {
157:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
158:   *size=1;
159:   return MPI_SUCCESS;
160: }

162: int MPI_Comm_rank(MPI_Comm comm, int *rank)
163: {
164:   if (comm-1 < 0 || comm-1 > MaxComm) return 1;
165:   *rank=0;
166:   return MPI_SUCCESS;
167: }

169: int MPI_Abort(MPI_Comm comm,int errorcode)
170: {
171:   abort();
172:   return MPI_SUCCESS;
173: }

175: /* --------------------------------------------------------------------------*/

177: static int MPI_was_initialized = 0;
178: static int MPI_was_finalized   = 0;

180: int MPI_Init(int *argc, char ***argv)
181: {
182:   if (MPI_was_initialized) return 1;
183:   if (MPI_was_finalized) return 1;
184:   MPI_was_initialized = 1;
185:   return 0;
186: }

188: int MPI_Finalize(void)
189: {
190:   MPI_Comm comm;
191:   if (MPI_was_finalized) return 1;
192:   if (!MPI_was_initialized) return 1;
193:   comm = MPI_COMM_WORLD;
194:   MPI_Comm_free(&comm);
195:   comm = MPI_COMM_SELF;
196:   MPI_Comm_free(&comm);
197:   MPI_was_finalized = 1;
198:   return 0;
199: }

201: int MPI_Initialized(int *flag)
202: {
203:   *flag = MPI_was_initialized;
204:   return 0;
205: }

207: int MPI_Finalized(int *flag)
208: {
209:   *flag = MPI_was_finalized;
210:   return 0;
211: }

213: /* -------------------     Fortran versions of several routines ------------------ */

215: #if defined(PETSC_HAVE_FORTRAN_CAPS)
216: #define mpiunisetcommonblock_ MPIUNISETCOMMONBLOCK
217: #define mpiunisetfortranbasepointers_  MPIUNISETFORTRANBASEPOINTERS
218: #define mpi_init_             MPI_INIT
219: #define mpi_finalize_         MPI_FINALIZE
220: #define mpi_comm_size_        MPI_COMM_SIZE
221: #define mpi_comm_rank_        MPI_COMM_RANK
222: #define mpi_abort_            MPI_ABORT
223: #define mpi_reduce_           MPI_REDUCE
224: #define mpi_allreduce_        MPI_ALLREDUCE
225: #define mpi_barrier_          MPI_BARRIER
226: #define mpi_bcast_            MPI_BCAST
227: #define mpi_gather_           MPI_GATHER
228: #define mpi_allgather_        MPI_ALLGATHER
229: #define mpi_comm_split_       MPI_COMM_SPLIT
230: #define mpi_scan_             MPI_SCAN
231: #define mpi_send_             MPI_SEND
232: #define mpi_recv_             MPI_RECV
233: #define mpi_reduce_scatter_   MPI_REDUCE_SCATTER
234: #define mpi_irecv_            MPI_IRECV
235: #define mpi_isend_            MPI_ISEND
236: #define mpi_sendrecv_         MPI_SENDRECV
237: #define mpi_test_             MPI_TEST
238: #define mpi_waitall_          MPI_WAITALL
239: #define mpi_waitany_          MPI_WAITANY
240: #define mpi_allgatherv_       MPI_ALLGATHERV
241: #define mpi_alltoallv_        MPI_ALLTOALLV
242: #define mpi_comm_create_      MPI_COMM_CREATE
243: #define mpi_address_          MPI_ADDRESS
244: #define mpi_pack_             MPI_PACK
245: #define mpi_unpack_           MPI_UNPACK
246: #define mpi_pack_size_        MPI_PACK_SIZE
247: #define mpi_type_struct_      MPI_TYPE_STRUCT
248: #define mpi_type_commit_      MPI_TYPE_COMMIT
249: #define mpi_wtime_            MPI_WTIME
250: #define mpi_cancel_           MPI_CANCEL
251: #define mpi_comm_dup_         MPI_COMM_DUP
252: #define mpi_comm_free_        MPI_COMM_FREE
253: #define mpi_get_count_        MPI_GET_COUNT
254: #define mpi_get_processor_name_ MPI_GET_PROCESSOR_NAME
255: #define mpi_initialized_      MPI_INITIALIZED
256: #define mpi_iprobe_           MPI_IPROBE
257: #define mpi_probe_            MPI_PROBE
258: #define mpi_request_free_     MPI_REQUEST_FREE
259: #define mpi_ssend_            MPI_SSEND
260: #define mpi_wait_             MPI_WAIT
261: #define mpi_comm_group_       MPI_COMM_GROUP
262: #define mpi_exscan_           MPI_EXSCAN
263: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
264: #define mpiunisetcommonblock_ mpiunisetcommonblock
265: #define mpiunisetfortranbasepointers_  mpiunisetfortranbasepointers
266: #define mpi_init_             mpi_init
267: #define mpi_finalize_         mpi_finalize
268: #define mpi_comm_size_        mpi_comm_size
269: #define mpi_comm_rank_        mpi_comm_rank
270: #define mpi_abort_            mpi_abort
271: #define mpi_reduce_           mpi_reduce
272: #define mpi_allreduce_        mpi_allreduce
273: #define mpi_barrier_          mpi_barrier
274: #define mpi_bcast_            mpi_bcast
275: #define mpi_gather_           mpi_gather
276: #define mpi_allgather_        mpi_allgather
277: #define mpi_comm_split_       mpi_comm_split
278: #define mpi_scan_             mpi_scan
279: #define mpi_send_             mpi_send
280: #define mpi_recv_             mpi_recv
281: #define mpi_reduce_scatter_   mpi_reduce_scatter
282: #define mpi_irecv_            mpi_irecv
283: #define mpi_isend_            mpi_isend
284: #define mpi_sendrecv_         mpi_sendrecv
285: #define mpi_test_             mpi_test
286: #define mpi_waitall_          mpi_waitall
287: #define mpi_waitany_          mpi_waitany
288: #define mpi_allgatherv_       mpi_allgatherv
289: #define mpi_alltoallv_        mpi_alltoallv
290: #define mpi_comm_create_      mpi_comm_create
291: #define mpi_address_          mpi_address
292: #define mpi_pack_             mpi_pack
293: #define mpi_unpack_           mpi_unpack
294: #define mpi_pack_size_        mpi_pack_size
295: #define mpi_type_struct_      mpi_type_struct
296: #define mpi_type_commit_      mpi_type_commit
297: #define mpi_wtime_            mpi_wtime
298: #define mpi_cancel_           mpi_cancel
299: #define mpi_comm_dup_         mpi_comm_dup
300: #define mpi_comm_free_        mpi_comm_free
301: #define mpi_get_count_        mpi_get_count
302: #define mpi_get_processor_name_ mpi_get_processor_name
303: #define mpi_initialized_      mpi_initialized
304: #define mpi_iprobe_           mpi_iprobe
305: #define mpi_probe_            mpi_probe
306: #define mpi_request_free_     mpi_request_free
307: #define mpi_ssend_            mpi_ssend
308: #define mpi_wait_             mpi_wait
309: #define mpi_comm_group_       mpi_comm_group
310: #define mpi_exscan_           mpi_exscan
311: #endif

313: #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
314: #define mpi_init_             mpi_init__
315: #define mpi_finalize_         mpi_finalize__
316: #define mpi_comm_size_        mpi_comm_size__
317: #define mpi_comm_rank_        mpi_comm_rank__
318: #define mpi_abort_            mpi_abort__
319: #define mpi_reduce_           mpi_reduce__
320: #define mpi_allreduce_        mpi_allreduce__
321: #define mpi_barrier_          mpi_barrier__
322: #define mpi_bcast_            mpi_bcast__
323: #define mpi_gather_           mpi_gather__
324: #define mpi_allgather_        mpi_allgather__
325: #define mpi_comm_split_       mpi_comm_split__
326: #define mpi_scan_             mpi_scan__
327: #define mpi_send_             mpi_send__
328: #define mpi_recv_             mpi_recv__
329: #define mpi_reduce_scatter_   mpi_reduce_scatter__
330: #define mpi_irecv_            mpi_irecv__
331: #define mpi_isend_            mpi_isend__
332: #define mpi_sendrecv_         mpi_sendrecv__
333: #define mpi_test_             mpi_test__
334: #define mpi_waitall_          mpi_waitall__
335: #define mpi_waitany_          mpi_waitany__
336: #define mpi_allgatherv_       mpi_allgatherv__
337: #define mpi_alltoallv_        mpi_alltoallv__
338: #define mpi_comm_create_      mpi_comm_create__
339: #define mpi_address_          mpi_address__
340: #define mpi_pack_             mpi_pack__
341: #define mpi_unpack_           mpi_unpack__
342: #define mpi_pack_size_        mpi_pack_size__
343: #define mpi_type_struct_      mpi_type_struct__
344: #define mpi_type_commit_      mpi_type_commit__
345: #define mpi_wtime_            mpi_wtime__
346: #define mpi_cancel_           mpi_cancel__
347: #define mpi_comm_dup_         mpi_comm_dup__
348: #define mpi_comm_free_        mpi_comm_free__
349: #define mpi_get_count_        mpi_get_count__
350: #define mpi_get_processor_name_ mpi_get_processor_name__
351: #define mpi_initialized_      mpi_initialized__
352: #define mpi_iprobe_           mpi_iprobe__
353: #define mpi_probe_            mpi_probe__
354: #define mpi_request_free_     mpi_request_free__
355: #define mpi_ssend_            mpi_ssend__
356: #define mpi_wait_             mpi_wait__
357: #define mpi_comm_group_       mpi_comm_group__
358: #define mpi_exscan_           mpi_exscan__
359: #endif

361: /* Do not build fortran interface if MPI namespace colision is to be avoided */
362: #if defined(MPIUNI_FORTRAN_BINDING)

364: PETSC_EXTERN void PETSC_STDCALL mpiunisetcommonblock_(void);

366: PETSC_EXTERN void PETSC_STDCALL mpiunisetfortranbasepointers_(void *f_mpi_in_place)
367: {
368:   MPIUNIF_mpi_in_place   = f_mpi_in_place;
369: }

371: PETSC_EXTERN void PETSC_STDCALL   mpi_init_(int *ierr)
372: {
373:   mpiunisetcommonblock_();
374:   *MPI_Init((int*)0, (char***)0);
375: }

377: PETSC_EXTERN void PETSC_STDCALL   mpi_finalize_(int *ierr)
378: {
379:   *MPI_Finalize();
380: }

382: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr)
383: {
384:   *size = 1;
385:   *0;
386: }

388: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr)
389: {
390:   *rank = 0;
391:   *MPI_SUCCESS;
392: }

394: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr)
395: {
396:   *newcomm = *comm;
397:   *MPI_SUCCESS;
398: }

400: PETSC_EXTERN void PETSC_STDCALL  mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr)
401: {
402:   abort();
403:   *MPI_SUCCESS;
404: }

406: PETSC_EXTERN void PETSC_STDCALL  mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr)
407: {
408:   *MPI_Reduce(sendbuf,recvbuf,*count,*datatype,*op,*root,*comm);
409: }

411: PETSC_EXTERN void PETSC_STDCALL  mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
412: {
413:   *MPI_Allreduce(sendbuf,recvbuf,*count,*datatype,*op,*comm);
414: }

416: PETSC_EXTERN void PETSC_STDCALL  mpi_barrier_(MPI_Comm *comm,int *ierr)
417: {
418:   *MPI_SUCCESS;
419: }

421: PETSC_EXTERN void PETSC_STDCALL  mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr)
422: {
423:   *MPI_SUCCESS;
424: }

426: PETSC_EXTERN void PETSC_STDCALL  mpi_gather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype, int *root,int *comm,int *ierr)
427: {
428:   *MPI_Gather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*root,*comm);
429: }

431: PETSC_EXTERN void PETSC_STDCALL  mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr)
432: {
433:   *MPI_Allgather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*comm);
434: }

436: PETSC_EXTERN void PETSC_STDCALL  mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
437: {
438:   *MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]);
439: }

441: PETSC_EXTERN void PETSC_STDCALL  mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
442: {
443:   *MPI_Abort(MPI_COMM_WORLD,0);
444: }

446: PETSC_EXTERN void PETSC_STDCALL  mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr)
447: {
448:   *MPI_Abort(MPI_COMM_WORLD,0);
449: }

451: PETSC_EXTERN void PETSC_STDCALL  mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr)
452: {
453:   *MPI_Abort(MPI_COMM_WORLD,0);
454: }

456: PETSC_EXTERN void PETSC_STDCALL  mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr)
457: {
458:   *MPI_Abort(MPI_COMM_WORLD,0);
459: }

461: PETSC_EXTERN void PETSC_STDCALL  mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr)
462: {
463:   *MPI_Abort(MPI_COMM_WORLD,0);
464: }

466: PETSC_EXTERN 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)
467: {
468:   *MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]);
469: }

471: PETSC_EXTERN void PETSC_STDCALL  mpi_test_(int *request,int *flag,int *status,int *ierr)
472: {
473:   *MPI_Abort(MPI_COMM_WORLD,0);
474: }

476: PETSC_EXTERN void PETSC_STDCALL  mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr)
477: {
478:   *MPI_SUCCESS;
479: }

481: PETSC_EXTERN void PETSC_STDCALL  mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr)
482: {
483:   *MPI_SUCCESS;
484: }

486: PETSC_EXTERN void PETSC_STDCALL  mpi_allgatherv_(void *sendbuf,int *sendcount,int *sendtype,void *recvbuf,int *recvcounts,int *displs,int *recvtype,int *comm,int *ierr)
487: {
488:   *MPI_Allgatherv(sendbuf,*sendcount,*sendtype,recvbuf,recvcounts,displs,*recvtype,*comm);
489: }

491: PETSC_EXTERN 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)
492: {
493:   *MPI_Alltoallv(sendbuf,sendcounts,sdispls,*sendtype,recvbuf,recvcounts,rdispls,*recvtype,*comm);
494: }

496: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr)
497: {
498:   *newcomm =  *comm;
499:   *MPI_SUCCESS;
500: }

502: PETSC_EXTERN void PETSC_STDCALL  mpi_address_(void *location,MPIUNI_INTPTR *address,int *ierr)
503: {
504:   *address =  (MPIUNI_INTPTR) location;
505:   *MPI_SUCCESS;
506: }

508: PETSC_EXTERN void PETSC_STDCALL  mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr)
509: {
510:   *MPI_Abort(MPI_COMM_WORLD,0);
511: }

513: PETSC_EXTERN void PETSC_STDCALL  mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr)
514: {
515:   *MPI_Abort(MPI_COMM_WORLD,0);
516: }

518: PETSC_EXTERN void PETSC_STDCALL  mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr)
519: {
520:   *MPI_Abort(MPI_COMM_WORLD,0);
521: }

523: PETSC_EXTERN void PETSC_STDCALL  mpi_type_struct_(int *count,int *array_of_blocklengths,int * array_of_displaments,int *array_of_types,int *newtype,int *ierr)
524: {
525:   *MPI_Abort(MPI_COMM_WORLD,0);
526: }

528: PETSC_EXTERN void PETSC_STDCALL  mpi_type_commit_(int *datatype,int *ierr)
529: {
530:   *MPI_SUCCESS;
531: }

533: double PETSC_STDCALL mpi_wtime_(void)
534: {
535:   return 0.0;
536: }

538: PETSC_EXTERN void PETSC_STDCALL  mpi_cancel_(int *request,int *ierr)
539: {
540:   *MPI_SUCCESS;
541: }

543: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_dup_(int *comm,int *out,int *ierr)
544: {
545:   *out  = *comm;
546:   *MPI_SUCCESS;
547: }

549: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_free_(int *comm,int *ierr)
550: {
551:   *MPI_SUCCESS;
552: }

554: PETSC_EXTERN void PETSC_STDCALL  mpi_get_count_(int *status,int *datatype,int *count,int *ierr)
555: {
556:   *MPI_Abort(MPI_COMM_WORLD,0);
557: }

559: /* duplicate from fortranimpl.h */
560: #if defined(PETSC_HAVE_FORTRAN_MIXED_STR_ARG)
561: #define PETSC_MIXED_LEN(len) ,int len
562: #define PETSC_END_LEN(len)
563: #else
564: #define PETSC_MIXED_LEN(len)
565: #define PETSC_END_LEN(len)   ,int len
566: #endif

568: PETSC_EXTERN void PETSC_STDCALL  mpi_get_processor_name_(char *name PETSC_MIXED_LEN(len),int *result_len,int *ierr PETSC_END_LEN(len))
569: {
570:   MPIUNI_Memcpy(name,"localhost",9*sizeof(char));
571:   *result_len = 9;
572:   *MPI_SUCCESS;
573: }

575: PETSC_EXTERN void PETSC_STDCALL  mpi_initialized_(int *flag,int *ierr)
576: {
577:   *flag = MPI_was_initialized;
578:   *MPI_SUCCESS;
579: }

581: PETSC_EXTERN void PETSC_STDCALL  mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr)
582: {
583:   *MPI_SUCCESS;
584: }

586: PETSC_EXTERN void PETSC_STDCALL  mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr)
587: {
588:   *MPI_SUCCESS;
589: }

591: PETSC_EXTERN void PETSC_STDCALL  mpi_request_free_(int *request,int *ierr)
592: {
593:   *MPI_SUCCESS;
594: }

596: PETSC_EXTERN void PETSC_STDCALL  mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
597: {
598:   *MPI_Abort(MPI_COMM_WORLD,0);
599: }

601: PETSC_EXTERN void PETSC_STDCALL  mpi_wait_(int *request,int *status,int *ierr)
602: {
603:   *MPI_SUCCESS;
604: }

606: PETSC_EXTERN void PETSC_STDCALL  mpi_comm_group_(int *comm,int *group,int *ierr)
607: {
608:   *MPI_SUCCESS;
609: }

611: PETSC_EXTERN void PETSC_STDCALL  mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
612: {
613:   *MPI_SUCCESS;
614: }

616: #endif /* MPIUNI_AVOID_MPI_NAMESPACE */

618: #if defined(__cplusplus)
619: }
620: #endif