Actual source code: mpi.c
petsc-3.5.2 2014-09-08
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
28: typedef struct {
29: void *attribute_val;
30: int active;
31: } MPI_Attr;
33: typedef struct {
34: void *extra_state;
35: MPI_Delete_function *del;
36: } MPI_Attr_keyval;
38: static MPI_Attr_keyval attr_keyval[MAX_ATTR];
39: static MPI_Attr attr[4][MAX_ATTR];
40: static int num_attr = 1,mpi_tag_ub = 100000000;
42: #if defined(__cplusplus)
43: extern "C" {
44: #endif
46: /*
47: To avoid problems with prototypes to the system memcpy() it is duplicated here
48: */
49: int MPIUNI_Memcpy(void *a,const void *b,int n)
50: {
51: int i;
52: char *aa= (char*)a;
53: char *bb= (char*)b;
55: if (b == MPI_IN_PLACE) return 0;
56: for (i=0; i<n; i++) aa[i] = bb[i];
57: return 0;
58: }
60: /*
61: Used to set the built-in MPI_TAG_UB attribute
62: */
63: static int Keyval_setup(void)
64: {
65: attr[MPI_COMM_WORLD-1][0].active = 1;
66: attr[MPI_COMM_WORLD-1][0].attribute_val = &mpi_tag_ub;
67: attr[MPI_COMM_SELF-1][0].active = 1;
68: attr[MPI_COMM_SELF-1][0].attribute_val = &mpi_tag_ub;
69: return 0;
70: }
72: int MPI_Keyval_create(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state)
73: {
74: if (num_attr >= MAX_ATTR) MPI_Abort(MPI_COMM_WORLD,1);
76: attr_keyval[num_attr].extra_state = extra_state;
77: attr_keyval[num_attr].del = delete_fn;
78: *keyval = num_attr++;
79: return 0;
80: }
82: int MPI_Keyval_free(int *keyval)
83: {
84: attr_keyval[*keyval].extra_state = 0;
85: attr_keyval[*keyval].del = 0;
87: *keyval = 0;
88: return MPI_SUCCESS;
89: }
91: int MPI_Attr_put(MPI_Comm comm,int keyval,void *attribute_val)
92: {
93: if (comm-1 < 0 || comm-1 > 3) return 1;
94: attr[comm-1][keyval].active = 1;
95: attr[comm-1][keyval].attribute_val = attribute_val;
96: return MPI_SUCCESS;
97: }
99: int MPI_Attr_delete(MPI_Comm comm,int keyval)
100: {
101: if (comm-1 < 0 || comm-1 > 3) return 1;
102: if (attr[comm-1][keyval].active && attr_keyval[keyval].del) {
103: void *save_attribute_val = attr[comm-1][keyval].attribute_val;
104: attr[comm-1][keyval].active = 0;
105: attr[comm-1][keyval].attribute_val = 0;
106: (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state);
107: }
108: return MPI_SUCCESS;
109: }
111: int MPI_Attr_get(MPI_Comm comm,int keyval,void *attribute_val,int *flag)
112: {
113: if (comm-1 < 0 || comm-1 > 3) return 1;
114: if (!keyval) Keyval_setup();
115: *flag = attr[comm-1][keyval].active;
116: *(void**)attribute_val = attr[comm-1][keyval].attribute_val;
117: return MPI_SUCCESS;
118: }
120: static int dups[4] = {1,1,1,1};
121: int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm)
122: {
123: if (comm-1 < 0 || comm-1 > 3) return 1;
124: dups[comm-1]++;
125: *newcomm = comm;
126: return MPI_SUCCESS;
127: }
129: int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out)
130: {
131: if (comm-1 < 0 || comm-1 > 3) return 1;
132: if (comm == MPI_COMM_WORLD || comm == MPI_COMM_SELF) *out = comm + 2;
133: else {
134: *out = comm;
135: dups[comm-1]++;
136: }
137: return 0;
138: }
140: int MPI_Comm_free(MPI_Comm *comm)
141: {
142: int i;
144: if (*comm-1 < 0 || *comm-1 > 3) return 1;
145: if (dups[*comm-1] == 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: dups[*comm-1] = 1;
152: *comm = 0;
153: } else if (dups[*comm-1] > 1) dups[*comm-1]--;
154: return MPI_SUCCESS;
155: }
157: int MPI_Comm_size(MPI_Comm comm, int *size)
158: {
159: *size=1;
160: return MPI_SUCCESS;
161: }
163: int MPI_Comm_rank(MPI_Comm comm, int *rank)
164: {
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 mpi_init_ MPI_INIT
217: #define mpi_finalize_ MPI_FINALIZE
218: #define mpi_comm_size_ MPI_COMM_SIZE
219: #define mpi_comm_rank_ MPI_COMM_RANK
220: #define mpi_abort_ MPI_ABORT
221: #define mpi_reduce_ MPI_REDUCE
222: #define mpi_allreduce_ MPI_ALLREDUCE
223: #define mpi_barrier_ MPI_BARRIER
224: #define mpi_bcast_ MPI_BCAST
225: #define mpi_gather_ MPI_GATHER
226: #define mpi_allgather_ MPI_ALLGATHER
227: #define mpi_comm_split_ MPI_COMM_SPLIT
228: #define mpi_scan_ MPI_SCAN
229: #define mpi_send_ MPI_SEND
230: #define mpi_recv_ MPI_RECV
231: #define mpi_reduce_scatter_ MPI_REDUCE_SCATTER
232: #define mpi_irecv_ MPI_IRECV
233: #define mpi_isend_ MPI_ISEND
234: #define mpi_sendrecv_ MPI_SENDRECV
235: #define mpi_test_ MPI_TEST
236: #define mpi_waitall_ MPI_WAITALL
237: #define mpi_waitany_ MPI_WAITANY
238: #define mpi_allgatherv_ MPI_ALLGATHERV
239: #define mpi_alltoallv_ MPI_ALLTOALLV
240: #define mpi_comm_create_ MPI_COMM_CREATE
241: #define mpi_address_ MPI_ADDRESS
242: #define mpi_pack_ MPI_PACK
243: #define mpi_unpack_ MPI_UNPACK
244: #define mpi_pack_size_ MPI_PACK_SIZE
245: #define mpi_type_struct_ MPI_TYPE_STRUCT
246: #define mpi_type_commit_ MPI_TYPE_COMMIT
247: #define mpi_wtime_ MPI_WTIME
248: #define mpi_cancel_ MPI_CANCEL
249: #define mpi_comm_dup_ MPI_COMM_DUP
250: #define mpi_comm_free_ MPI_COMM_FREE
251: #define mpi_get_count_ MPI_GET_COUNT
252: #define mpi_get_processor_name_ MPI_GET_PROCESSOR_NAME
253: #define mpi_initialized_ MPI_INITIALIZED
254: #define mpi_iprobe_ MPI_IPROBE
255: #define mpi_probe_ MPI_PROBE
256: #define mpi_request_free_ MPI_REQUEST_FREE
257: #define mpi_ssend_ MPI_SSEND
258: #define mpi_wait_ MPI_WAIT
259: #define mpi_comm_group_ MPI_COMM_GROUP
260: #define mpi_exscan_ MPI_EXSCAN
261: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
262: #define mpi_init_ mpi_init
263: #define mpi_finalize_ mpi_finalize
264: #define mpi_comm_size_ mpi_comm_size
265: #define mpi_comm_rank_ mpi_comm_rank
266: #define mpi_abort_ mpi_abort
267: #define mpi_reduce_ mpi_reduce
268: #define mpi_allreduce_ mpi_allreduce
269: #define mpi_barrier_ mpi_barrier
270: #define mpi_bcast_ mpi_bcast
271: #define mpi_gather_ mpi_gather
272: #define mpi_allgather_ mpi_allgather
273: #define mpi_comm_split_ mpi_comm_split
274: #define mpi_scan_ mpi_scan
275: #define mpi_send_ mpi_send
276: #define mpi_recv_ mpi_recv
277: #define mpi_reduce_scatter_ mpi_reduce_scatter
278: #define mpi_irecv_ mpi_irecv
279: #define mpi_isend_ mpi_isend
280: #define mpi_sendrecv_ mpi_sendrecv
281: #define mpi_test_ mpi_test
282: #define mpi_waitall_ mpi_waitall
283: #define mpi_waitany_ mpi_waitany
284: #define mpi_allgatherv_ mpi_allgatherv
285: #define mpi_alltoallv_ mpi_alltoallv
286: #define mpi_comm_create_ mpi_comm_create
287: #define mpi_address_ mpi_address
288: #define mpi_pack_ mpi_pack
289: #define mpi_unpack_ mpi_unpack
290: #define mpi_pack_size_ mpi_pack_size
291: #define mpi_type_struct_ mpi_type_struct
292: #define mpi_type_commit_ mpi_type_commit
293: #define mpi_wtime_ mpi_wtime
294: #define mpi_cancel_ mpi_cancel
295: #define mpi_comm_dup_ mpi_comm_dup
296: #define mpi_comm_free_ mpi_comm_free
297: #define mpi_get_count_ mpi_get_count
298: #define mpi_get_processor_name_ mpi_get_processor_name
299: #define mpi_initialized_ mpi_initialized
300: #define mpi_iprobe_ mpi_iprobe
301: #define mpi_probe_ mpi_probe
302: #define mpi_request_free_ mpi_request_free
303: #define mpi_ssend_ mpi_ssend
304: #define mpi_wait_ mpi_wait
305: #define mpi_comm_group_ mpi_comm_group
306: #define mpi_exscan_ mpi_exscan
307: #endif
309: #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
310: #define mpi_init_ mpi_init__
311: #define mpi_finalize_ mpi_finalize__
312: #define mpi_comm_size_ mpi_comm_size__
313: #define mpi_comm_rank_ mpi_comm_rank__
314: #define mpi_abort_ mpi_abort__
315: #define mpi_reduce_ mpi_reduce__
316: #define mpi_allreduce_ mpi_allreduce__
317: #define mpi_barrier_ mpi_barrier__
318: #define mpi_bcast_ mpi_bcast__
319: #define mpi_gather_ mpi_gather__
320: #define mpi_allgather_ mpi_allgather__
321: #define mpi_comm_split_ mpi_comm_split__
322: #define mpi_scan_ mpi_scan__
323: #define mpi_send_ mpi_send__
324: #define mpi_recv_ mpi_recv__
325: #define mpi_reduce_scatter_ mpi_reduce_scatter__
326: #define mpi_irecv_ mpi_irecv__
327: #define mpi_isend_ mpi_isend__
328: #define mpi_sendrecv_ mpi_sendrecv__
329: #define mpi_test_ mpi_test__
330: #define mpi_waitall_ mpi_waitall__
331: #define mpi_waitany_ mpi_waitany__
332: #define mpi_allgatherv_ mpi_allgatherv__
333: #define mpi_alltoallv_ mpi_alltoallv__
334: #define mpi_comm_create_ mpi_comm_create__
335: #define mpi_address_ mpi_address__
336: #define mpi_pack_ mpi_pack__
337: #define mpi_unpack_ mpi_unpack__
338: #define mpi_pack_size_ mpi_pack_size__
339: #define mpi_type_struct_ mpi_type_struct__
340: #define mpi_type_commit_ mpi_type_commit__
341: #define mpi_wtime_ mpi_wtime__
342: #define mpi_cancel_ mpi_cancel__
343: #define mpi_comm_dup_ mpi_comm_dup__
344: #define mpi_comm_free_ mpi_comm_free__
345: #define mpi_get_count_ mpi_get_count__
346: #define mpi_get_processor_name_ mpi_get_processor_name__
347: #define mpi_initialized_ mpi_initialized__
348: #define mpi_iprobe_ mpi_iprobe__
349: #define mpi_probe_ mpi_probe__
350: #define mpi_request_free_ mpi_request_free__
351: #define mpi_ssend_ mpi_ssend__
352: #define mpi_wait_ mpi_wait__
353: #define mpi_comm_group_ mpi_comm_group__
354: #define mpi_exscan_ mpi_exscan__
355: #endif
358: /* Do not build fortran interface if MPI namespace colision is to be avoided */
359: #if !defined(MPIUNI_AVOID_MPI_NAMESPACE)
361: PETSC_EXTERN void PETSC_STDCALL mpi_init_(int *ierr)
362: {
363: *MPI_Init((int*)0, (char***)0);
364: }
366: PETSC_EXTERN void PETSC_STDCALL mpi_finalize_(int *ierr)
367: {
368: *MPI_Finalize();
369: }
371: PETSC_EXTERN void PETSC_STDCALL mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr)
372: {
373: *size = 1;
374: *0;
375: }
377: PETSC_EXTERN void PETSC_STDCALL mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr)
378: {
379: *rank=0;
380: *ierr=MPI_SUCCESS;
381: }
383: PETSC_EXTERN void PETSC_STDCALL mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr)
384: {
385: *newcomm = *comm;
386: *ierr =MPI_SUCCESS;
387: }
389: PETSC_EXTERN void PETSC_STDCALL mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr)
390: {
391: abort();
392: *MPI_SUCCESS;
393: }
395: PETSC_EXTERN void PETSC_STDCALL mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr)
396: {
397: MPI_Reduce(sendbuf,recvbuf,*count,*datatype,*op,*root,*comm);
398: *MPI_SUCCESS;
399: }
401: PETSC_EXTERN void PETSC_STDCALL mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
402: {
403: MPI_Allreduce(sendbuf,recvbuf,*count,*datatype,*op,*comm);
404: *MPI_SUCCESS;
405: }
407: PETSC_EXTERN void PETSC_STDCALL mpi_barrier_(MPI_Comm *comm,int *ierr)
408: {
409: *MPI_SUCCESS;
410: }
412: PETSC_EXTERN void PETSC_STDCALL mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr)
413: {
414: *MPI_SUCCESS;
415: }
418: 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)
419: {
420: MPI_Gather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*root,*comm);
421: *MPI_SUCCESS;
422: }
424: PETSC_EXTERN void PETSC_STDCALL mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr)
425: {
426: MPI_Allgather(sendbuf,*scount,*sdatatype,recvbuf,rcount,rdatatype,*comm);
427: }
429: PETSC_EXTERN void PETSC_STDCALL mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
430: {
431: MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]);
432: *MPI_SUCCESS;
433: }
435: PETSC_EXTERN void PETSC_STDCALL mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
436: {
437: *MPI_Abort(MPI_COMM_WORLD,0);
438: }
440: PETSC_EXTERN void PETSC_STDCALL mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr)
441: {
442: *MPI_Abort(MPI_COMM_WORLD,0);
443: }
445: PETSC_EXTERN void PETSC_STDCALL mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr)
446: {
447: *MPI_Abort(MPI_COMM_WORLD,0);
448: }
450: PETSC_EXTERN void PETSC_STDCALL mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr)
451: {
452: *MPI_Abort(MPI_COMM_WORLD,0);
453: }
455: PETSC_EXTERN void PETSC_STDCALL mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr)
456: {
457: *MPI_Abort(MPI_COMM_WORLD,0);
458: }
460: 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)
461: {
462: MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]);
463: *MPI_SUCCESS;
464: }
466: PETSC_EXTERN void PETSC_STDCALL mpi_test_(int *request,int *flag,int *status,int *ierr)
467: {
468: *MPI_Abort(MPI_COMM_WORLD,0);
469: }
471: PETSC_EXTERN void PETSC_STDCALL mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr)
472: {
473: *MPI_SUCCESS;
474: }
476: PETSC_EXTERN void PETSC_STDCALL mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr)
477: {
478: *MPI_SUCCESS;
479: }
481: 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)
482: {
483: MPI_Allgatherv(sendbuf,*sendcount,*sendtype,recvbuf,recvcounts,displs,*recvtype,*comm);
484: *MPI_SUCCESS;
485: }
487: 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)
488: {
489: MPI_Alltoallv(sendbuf,sendcounts,sdispls,*sendtype,recvbuf,recvcounts,rdispls,*recvtype,*comm);
490: *MPI_SUCCESS;
491: }
493: PETSC_EXTERN void PETSC_STDCALL mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr)
494: {
495: *newcomm = *comm;
496: *MPI_SUCCESS;
497: }
499: PETSC_EXTERN void PETSC_STDCALL mpi_address_(void *location,MPIUNI_INTPTR *address,int *ierr)
500: {
501: *address = (MPIUNI_INTPTR) location;
502: *MPI_SUCCESS;
503: }
505: PETSC_EXTERN void PETSC_STDCALL mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr)
506: {
507: *MPI_Abort(MPI_COMM_WORLD,0);
508: }
510: PETSC_EXTERN void PETSC_STDCALL mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr)
511: {
512: *MPI_Abort(MPI_COMM_WORLD,0);
513: }
515: PETSC_EXTERN void PETSC_STDCALL mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr)
516: {
517: *MPI_Abort(MPI_COMM_WORLD,0);
518: }
520: 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)
521: {
522: *MPI_Abort(MPI_COMM_WORLD,0);
523: }
525: PETSC_EXTERN void PETSC_STDCALL mpi_type_commit_(int *datatype,int *ierr)
526: {
527: *MPI_SUCCESS;
528: }
530: double PETSC_STDCALL mpi_wtime_(void)
531: {
532: return 0.0;
533: }
535: PETSC_EXTERN void PETSC_STDCALL mpi_cancel_(int *request,int *ierr)
536: {
537: *MPI_SUCCESS;
538: }
540: PETSC_EXTERN void PETSC_STDCALL mpi_comm_dup_(int *comm,int *out,int *ierr)
541: {
542: *out = *comm;
543: *MPI_SUCCESS;
544: }
546: PETSC_EXTERN void PETSC_STDCALL mpi_comm_free_(int *comm,int *ierr)
547: {
548: *MPI_SUCCESS;
549: }
551: PETSC_EXTERN void PETSC_STDCALL mpi_get_count_(int *status,int *datatype,int *count,int *ierr)
552: {
553: *MPI_Abort(MPI_COMM_WORLD,0);
554: }
556: /* duplicate from fortranimpl.h */
557: #if defined(PETSC_HAVE_FORTRAN_MIXED_STR_ARG)
558: #define PETSC_MIXED_LEN(len) ,int len
559: #define PETSC_END_LEN(len)
560: #else
561: #define PETSC_MIXED_LEN(len)
562: #define PETSC_END_LEN(len) ,int len
563: #endif
565: PETSC_EXTERN void PETSC_STDCALL mpi_get_processor_name_(char *name PETSC_MIXED_LEN(len),int *result_len,int *ierr PETSC_END_LEN(len))
566: {
567: MPIUNI_Memcpy(name,"localhost",9*sizeof(char));
568: *result_len = 9;
569: *MPI_SUCCESS;
570: }
572: PETSC_EXTERN void PETSC_STDCALL mpi_initialized_(int *flag,int *ierr)
573: {
574: *flag = MPI_was_initialized;
575: *MPI_SUCCESS;
576: }
578: PETSC_EXTERN void PETSC_STDCALL mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr)
579: {
580: *MPI_SUCCESS;
581: }
583: PETSC_EXTERN void PETSC_STDCALL mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr)
584: {
585: *MPI_SUCCESS;
586: }
588: PETSC_EXTERN void PETSC_STDCALL mpi_request_free_(int *request,int *ierr)
589: {
590: *MPI_SUCCESS;
591: }
593: PETSC_EXTERN void PETSC_STDCALL mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
594: {
595: *MPI_Abort(MPI_COMM_WORLD,0);
596: }
598: PETSC_EXTERN void PETSC_STDCALL mpi_wait_(int *request,int *status,int *ierr)
599: {
600: *MPI_SUCCESS;
601: }
603: PETSC_EXTERN void PETSC_STDCALL mpi_comm_group_(int *comm,int *group,int *ierr)
604: {
605: *MPI_SUCCESS;
606: }
608: PETSC_EXTERN void PETSC_STDCALL mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
609: {
610: *MPI_SUCCESS;
611: }
613: #endif /* MPIUNI_AVOID_MPI_NAMESPACE */
615: #if defined(__cplusplus)
616: }
617: #endif