Actual source code: mpi.c
petsc-dev 2014-02-02
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>
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 <petscsys.h>
14: #define MPI_SUCCESS 0
15: #define MPI_FAILURE 1
17: void *MPIUNI_TMP = 0;
18: 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)};
19: /*
20: With MPI Uni there are exactly four distinct communicators:
21: MPI_COMM_SELF, MPI_COMM_WORLD, and a MPI_Comm_dup() of each of these (duplicates of duplicates return the same communictor)
23: MPI_COMM_SELF and MPI_COMM_WORLD are MPI_Comm_free() in MPI_Finalize() but in general with PETSc,
24: the other communicators are freed once the last PETSc object is freed (before MPI_Finalize()).
26: */
27: #define MAX_ATTR 128
29: typedef struct {
30: void *attribute_val;
31: int active;
32: } MPI_Attr;
34: typedef struct {
35: void *extra_state;
36: MPI_Delete_function *del;
37: } MPI_Attr_keyval;
39: static MPI_Attr_keyval attr_keyval[MAX_ATTR];
40: static MPI_Attr attr[4][MAX_ATTR];
41: static int num_attr = 1,mpi_tag_ub = 100000000;
43: #if defined(__cplusplus)
44: extern "C" {
45: #endif
47: /*
48: To avoid problems with prototypes to the system memcpy() it is duplicated here
49: */
50: int MPIUNI_Memcpy(void *a,const void *b,int n)
51: {
52: int i;
53: char *aa= (char*)a;
54: char *bb= (char*)b;
56: if (b == MPI_IN_PLACE) return 0;
57: for (i=0; i<n; i++) aa[i] = bb[i];
58: return 0;
59: }
61: /*
62: Used to set the built-in MPI_TAG_UB attribute
63: */
64: static int Keyval_setup(void)
65: {
66: attr[MPI_COMM_WORLD-1][0].active = 1;
67: attr[MPI_COMM_WORLD-1][0].attribute_val = &mpi_tag_ub;
68: attr[MPI_COMM_SELF-1][0].active = 1;
69: attr[MPI_COMM_SELF-1][0].attribute_val = &mpi_tag_ub;
70: return 0;
71: }
73: int MPI_Keyval_create(MPI_Copy_function *copy_fn,MPI_Delete_function *delete_fn,int *keyval,void *extra_state)
74: {
75: if (num_attr >= MAX_ATTR) MPI_Abort(MPI_COMM_WORLD,1);
77: attr_keyval[num_attr].extra_state = extra_state;
78: attr_keyval[num_attr].del = delete_fn;
79: *keyval = num_attr++;
80: return 0;
81: }
83: int MPI_Keyval_free(int *keyval)
84: {
85: attr_keyval[*keyval].extra_state = 0;
86: attr_keyval[*keyval].del = 0;
88: *keyval = 0;
89: return MPI_SUCCESS;
90: }
92: int MPI_Attr_put(MPI_Comm comm,int keyval,void *attribute_val)
93: {
94: if (comm-1 < 0 || comm-1 > 3) return 1;
95: attr[comm-1][keyval].active = 1;
96: attr[comm-1][keyval].attribute_val = attribute_val;
97: return MPI_SUCCESS;
98: }
100: int MPI_Attr_delete(MPI_Comm comm,int keyval)
101: {
102: if (comm-1 < 0 || comm-1 > 3) return 1;
103: if (attr[comm-1][keyval].active && attr_keyval[keyval].del) {
104: void *save_attribute_val = attr[comm-1][keyval].attribute_val;
105: attr[comm-1][keyval].active = 0;
106: attr[comm-1][keyval].attribute_val = 0;
107: (*(attr_keyval[keyval].del))(comm,keyval,save_attribute_val,attr_keyval[keyval].extra_state);
108: }
109: return MPI_SUCCESS;
110: }
112: int MPI_Attr_get(MPI_Comm comm,int keyval,void *attribute_val,int *flag)
113: {
114: if (comm-1 < 0 || comm-1 > 3) return 1;
115: if (!keyval) Keyval_setup();
116: *flag = attr[comm-1][keyval].active;
117: *(void**)attribute_val = attr[comm-1][keyval].attribute_val;
118: return MPI_SUCCESS;
119: }
121: static int dups[4] = {1,1,1,1};
122: int MPI_Comm_create(MPI_Comm comm,MPI_Group group,MPI_Comm *newcomm)
123: {
124: if (comm-1 < 0 || comm-1 > 3) return 1;
125: dups[comm-1]++;
126: *newcomm = comm;
127: return MPI_SUCCESS;
128: }
130: int MPI_Comm_dup(MPI_Comm comm,MPI_Comm *out)
131: {
132: if (comm-1 < 0 || comm-1 > 3) return 1;
133: if (comm == MPI_COMM_WORLD || comm == MPI_COMM_SELF) *out = comm + 2;
134: else {
135: *out = comm;
136: dups[comm-1]++;
137: }
138: return 0;
139: }
141: int MPI_Comm_free(MPI_Comm *comm)
142: {
143: int i;
145: if (*comm-1 < 0 || *comm-1 > 3) return 1;
146: if (dups[*comm-1] == 1) {
147: for (i=0; i<num_attr; i++) {
148: 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);
149: attr[*comm-1][i].active = 0;
150: attr[*comm-1][i].attribute_val = 0;
151: }
152: dups[*comm-1] = 1;
153: *comm = 0;
154: } else if (dups[*comm-1] > 1) dups[*comm-1]--;
155: return MPI_SUCCESS;
156: }
158: int MPI_Comm_size(MPI_Comm comm, int *size)
159: {
160: *size=1;
161: return MPI_SUCCESS;
162: }
164: int MPI_Comm_rank(MPI_Comm comm, int *rank)
165: {
166: *rank=0;
167: return MPI_SUCCESS;
168: }
170: int MPI_Abort(MPI_Comm comm,int errorcode)
171: {
172: abort();
173: return MPI_SUCCESS;
174: }
176: /* --------------------------------------------------------------------------*/
178: static int MPI_was_initialized = 0;
179: static int MPI_was_finalized = 0;
181: int MPI_Init(int *argc, char ***argv)
182: {
183: if (MPI_was_initialized) return 1;
184: if (MPI_was_finalized) return 1;
185: MPI_was_initialized = 1;
186: return 0;
187: }
189: int MPI_Finalize(void)
190: {
191: MPI_Comm comm;
192: if (MPI_was_finalized) return 1;
193: if (!MPI_was_initialized) return 1;
194: comm = MPI_COMM_WORLD;
195: MPI_Comm_free(&comm);
196: comm = MPI_COMM_SELF;
197: MPI_Comm_free(&comm);
198: MPI_was_finalized = 1;
199: return 0;
200: }
202: int MPI_Initialized(int *flag)
203: {
204: *flag = MPI_was_initialized;
205: return 0;
206: }
208: int MPI_Finalized(int *flag)
209: {
210: *flag = MPI_was_finalized;
211: return 0;
212: }
214: /* ------------------- Fortran versions of several routines ------------------ */
216: #if defined(PETSC_HAVE_FORTRAN_CAPS)
217: #define mpi_init_ MPI_INIT
218: #define mpi_finalize_ MPI_FINALIZE
219: #define mpi_comm_size_ MPI_COMM_SIZE
220: #define mpi_comm_rank_ MPI_COMM_RANK
221: #define mpi_abort_ MPI_ABORT
222: #define mpi_reduce_ MPI_REDUCE
223: #define mpi_allreduce_ MPI_ALLREDUCE
224: #define mpi_barrier_ MPI_BARRIER
225: #define mpi_bcast_ MPI_BCAST
226: #define mpi_gather_ MPI_GATHER
227: #define mpi_allgather_ MPI_ALLGATHER
228: #define mpi_comm_split_ MPI_COMM_SPLIT
229: #define mpi_scan_ MPI_SCAN
230: #define mpi_send_ MPI_SEND
231: #define mpi_recv_ MPI_RECV
232: #define mpi_reduce_scatter_ MPI_REDUCE_SCATTER
233: #define mpi_irecv_ MPI_IRECV
234: #define mpi_isend_ MPI_ISEND
235: #define mpi_sendrecv_ MPI_SENDRECV
236: #define mpi_test_ MPI_TEST
237: #define mpi_waitall_ MPI_WAITALL
238: #define mpi_waitany_ MPI_WAITANY
239: #define mpi_allgatherv_ MPI_ALLGATHERV
240: #define mpi_alltoallv_ MPI_ALLTOALLV
241: #define mpi_comm_create_ MPI_COMM_CREATE
242: #define mpi_address_ MPI_ADDRESS
243: #define mpi_pack_ MPI_PACK
244: #define mpi_unpack_ MPI_UNPACK
245: #define mpi_pack_size_ MPI_PACK_SIZE
246: #define mpi_type_struct_ MPI_TYPE_STRUCT
247: #define mpi_type_commit_ MPI_TYPE_COMMIT
248: #define mpi_wtime_ MPI_WTIME
249: #define mpi_cancel_ MPI_CANCEL
250: #define mpi_comm_dup_ MPI_COMM_DUP
251: #define mpi_comm_free_ MPI_COMM_FREE
252: #define mpi_get_count_ MPI_GET_COUNT
253: #define mpi_get_processor_name_ MPI_GET_PROCESSOR_NAME
254: #define mpi_initialized_ MPI_INITIALIZED
255: #define mpi_iprobe_ MPI_IPROBE
256: #define mpi_probe_ MPI_PROBE
257: #define mpi_request_free_ MPI_REQUEST_FREE
258: #define mpi_ssend_ MPI_SSEND
259: #define mpi_wait_ MPI_WAIT
260: #define mpi_comm_group_ MPI_COMM_GROUP
261: #define mpi_exscan_ MPI_EXSCAN
262: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
263: #define mpi_init_ mpi_init
264: #define mpi_finalize_ mpi_finalize
265: #define mpi_comm_size_ mpi_comm_size
266: #define mpi_comm_rank_ mpi_comm_rank
267: #define mpi_abort_ mpi_abort
268: #define mpi_reduce_ mpi_reduce
269: #define mpi_allreduce_ mpi_allreduce
270: #define mpi_barrier_ mpi_barrier
271: #define mpi_bcast_ mpi_bcast
272: #define mpi_gather_ mpi_gather
273: #define mpi_allgather_ mpi_allgather
274: #define mpi_comm_split_ mpi_comm_split
275: #define mpi_scan_ mpi_scan
276: #define mpi_send_ mpi_send
277: #define mpi_recv_ mpi_recv
278: #define mpi_reduce_scatter_ mpi_reduce_scatter
279: #define mpi_irecv_ mpi_irecv
280: #define mpi_isend_ mpi_isend
281: #define mpi_sendrecv_ mpi_sendrecv
282: #define mpi_test_ mpi_test
283: #define mpi_waitall_ mpi_waitall
284: #define mpi_waitany_ mpi_waitany
285: #define mpi_allgatherv_ mpi_allgatherv
286: #define mpi_alltoallv_ mpi_alltoallv
287: #define mpi_comm_create_ mpi_comm_create
288: #define mpi_address_ mpi_address
289: #define mpi_pack_ mpi_pack
290: #define mpi_unpack_ mpi_unpack
291: #define mpi_pack_size_ mpi_pack_size
292: #define mpi_type_struct_ mpi_type_struct
293: #define mpi_type_commit_ mpi_type_commit
294: #define mpi_wtime_ mpi_wtime
295: #define mpi_cancel_ mpi_cancel
296: #define mpi_comm_dup_ mpi_comm_dup
297: #define mpi_comm_free_ mpi_comm_free
298: #define mpi_get_count_ mpi_get_count
299: #define mpi_get_processor_name_ mpi_get_processor_name
300: #define mpi_initialized_ mpi_initialized
301: #define mpi_iprobe_ mpi_iprobe
302: #define mpi_probe_ mpi_probe
303: #define mpi_request_free_ mpi_request_free
304: #define mpi_ssend_ mpi_ssend
305: #define mpi_wait_ mpi_wait
306: #define mpi_comm_group_ mpi_comm_group
307: #define mpi_exscan_ mpi_exscan
308: #endif
310: #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
311: #define mpi_init_ mpi_init__
312: #define mpi_finalize_ mpi_finalize__
313: #define mpi_comm_size_ mpi_comm_size__
314: #define mpi_comm_rank_ mpi_comm_rank__
315: #define mpi_abort_ mpi_abort__
316: #define mpi_reduce_ mpi_reduce__
317: #define mpi_allreduce_ mpi_allreduce__
318: #define mpi_barrier_ mpi_barrier__
319: #define mpi_bcast_ mpi_bcast__
320: #define mpi_gather_ mpi_gather__
321: #define mpi_allgather_ mpi_allgather__
322: #define mpi_comm_split_ mpi_comm_split__
323: #define mpi_scan_ mpi_scan__
324: #define mpi_send_ mpi_send__
325: #define mpi_recv_ mpi_recv__
326: #define mpi_reduce_scatter_ mpi_reduce_scatter__
327: #define mpi_irecv_ mpi_irecv__
328: #define mpi_isend_ mpi_isend__
329: #define mpi_sendrecv_ mpi_sendrecv__
330: #define mpi_test_ mpi_test__
331: #define mpi_waitall_ mpi_waitall__
332: #define mpi_waitany_ mpi_waitany__
333: #define mpi_allgatherv_ mpi_allgatherv__
334: #define mpi_alltoallv_ mpi_alltoallv__
335: #define mpi_comm_create_ mpi_comm_create__
336: #define mpi_address_ mpi_address__
337: #define mpi_pack_ mpi_pack__
338: #define mpi_unpack_ mpi_unpack__
339: #define mpi_pack_size_ mpi_pack_size__
340: #define mpi_type_struct_ mpi_type_struct__
341: #define mpi_type_commit_ mpi_type_commit__
342: #define mpi_wtime_ mpi_wtime__
343: #define mpi_cancel_ mpi_cancel__
344: #define mpi_comm_dup_ mpi_comm_dup__
345: #define mpi_comm_free_ mpi_comm_free__
346: #define mpi_get_count_ mpi_get_count__
347: #define mpi_get_processor_name_ mpi_get_processor_name__
348: #define mpi_initialized_ mpi_initialized__
349: #define mpi_iprobe_ mpi_iprobe__
350: #define mpi_probe_ mpi_probe__
351: #define mpi_request_free_ mpi_request_free__
352: #define mpi_ssend_ mpi_ssend__
353: #define mpi_wait_ mpi_wait__
354: #define mpi_comm_group_ mpi_comm_group__
355: #define mpi_exscan_ mpi_exscan__
356: #endif
359: /* Do not build fortran interface if MPI namespace colision is to be avoided */
360: #if !defined(MPIUNI_AVOID_MPI_NAMESPACE)
362: PETSC_EXTERN void PETSC_STDCALL mpi_init_(int *ierr)
363: {
364: *MPI_Init((int*)0, (char***)0);
365: }
367: PETSC_EXTERN void PETSC_STDCALL mpi_finalize_(int *ierr)
368: {
369: *MPI_Finalize();
370: }
372: PETSC_EXTERN void PETSC_STDCALL mpi_comm_size_(MPI_Comm *comm,int *size,int *ierr)
373: {
374: *size = 1;
375: *0;
376: }
378: PETSC_EXTERN void PETSC_STDCALL mpi_comm_rank_(MPI_Comm *comm,int *rank,int *ierr)
379: {
380: *rank=0;
381: *ierr=MPI_SUCCESS;
382: }
384: PETSC_EXTERN void PETSC_STDCALL mpi_comm_split_(MPI_Comm *comm,int *color,int *key, MPI_Comm *newcomm, int *ierr)
385: {
386: *newcomm = *comm;
387: *ierr =MPI_SUCCESS;
388: }
390: PETSC_EXTERN void PETSC_STDCALL mpi_abort_(MPI_Comm *comm,int *errorcode,int *ierr)
391: {
392: abort();
393: *MPI_SUCCESS;
394: }
396: PETSC_EXTERN void PETSC_STDCALL mpi_reduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *root,int *comm,int *ierr)
397: {
398: MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]);
399: *MPI_SUCCESS;
400: }
402: PETSC_EXTERN void PETSC_STDCALL mpi_allreduce_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
403: {
404: MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]);
405: *MPI_SUCCESS;
406: }
408: PETSC_EXTERN void PETSC_STDCALL mpi_barrier_(MPI_Comm *comm,int *ierr)
409: {
410: *MPI_SUCCESS;
411: }
413: PETSC_EXTERN void PETSC_STDCALL mpi_bcast_(void *buf,int *count,int *datatype,int *root,int *comm,int *ierr)
414: {
415: *MPI_SUCCESS;
416: }
419: 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)
420: {
421: MPIUNI_Memcpy(recvbuf,sendbuf,(*scount)*MPIUNI_DATASIZE[*sdatatype]);
422: *MPI_SUCCESS;
423: }
425: PETSC_EXTERN void PETSC_STDCALL mpi_allgather_(void *sendbuf,int *scount,int *sdatatype, void *recvbuf, int *rcount, int *rdatatype,int *comm,int *ierr)
426: {
427: MPIUNI_Memcpy(recvbuf,sendbuf,(*scount)*MPIUNI_DATASIZE[*sdatatype]);
428: *MPI_SUCCESS;
429: }
431: PETSC_EXTERN void PETSC_STDCALL mpi_scan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
432: {
433: MPIUNI_Memcpy(recvbuf,sendbuf,(*count)*MPIUNI_DATASIZE[*datatype]);
434: *MPI_SUCCESS;
435: }
437: PETSC_EXTERN void PETSC_STDCALL mpi_send_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
438: {
439: *MPI_Abort(MPI_COMM_WORLD,0);
440: }
442: PETSC_EXTERN void PETSC_STDCALL mpi_recv_(void *buf,int *count,int *datatype,int *source,int *tag,int *comm,int status,int *ierr)
443: {
444: *MPI_Abort(MPI_COMM_WORLD,0);
445: }
447: PETSC_EXTERN void PETSC_STDCALL mpi_reduce_scatter_(void *sendbuf,void *recvbuf,int *recvcounts,int *datatype,int *op,int *comm,int *ierr)
448: {
449: *MPI_Abort(MPI_COMM_WORLD,0);
450: }
452: PETSC_EXTERN void PETSC_STDCALL mpi_irecv_(void *buf,int *count, int *datatype, int *source, int *tag, int *comm, int *request, int *ierr)
453: {
454: *MPI_Abort(MPI_COMM_WORLD,0);
455: }
457: PETSC_EXTERN void PETSC_STDCALL mpi_isend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *request, int *ierr)
458: {
459: *MPI_Abort(MPI_COMM_WORLD,0);
460: }
462: 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)
463: {
464: MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]);
465: *MPI_SUCCESS;
466: }
468: PETSC_EXTERN void PETSC_STDCALL mpi_test_(int *request,int *flag,int *status,int *ierr)
469: {
470: *MPI_Abort(MPI_COMM_WORLD,0);
471: }
473: PETSC_EXTERN void PETSC_STDCALL mpi_waitall_(int *count,int *array_of_requests,int *array_of_statuses,int *ierr)
474: {
475: *MPI_SUCCESS;
476: }
478: PETSC_EXTERN void PETSC_STDCALL mpi_waitany_(int *count,int *array_of_requests,int * index, int *status,int *ierr)
479: {
480: *MPI_SUCCESS;
481: }
483: 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)
484: {
485: MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcount)*MPIUNI_DATASIZE[*sendtype]);
486: *MPI_SUCCESS;
487: }
489: 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)
490: {
491: MPIUNI_Memcpy(recvbuf,sendbuf,(*sendcounts)*MPIUNI_DATASIZE[*sendtype]);
492: *MPI_SUCCESS;
493: }
495: PETSC_EXTERN void PETSC_STDCALL mpi_comm_create_(int *comm,int *group,int *newcomm,int *ierr)
496: {
497: *newcomm = *comm;
498: *MPI_SUCCESS;
499: }
501: PETSC_EXTERN void PETSC_STDCALL mpi_address_(void *location,MPIUNI_INTPTR *address,int *ierr)
502: {
503: *address = (MPIUNI_INTPTR) location;
504: *MPI_SUCCESS;
505: }
507: PETSC_EXTERN void PETSC_STDCALL mpi_pack_(void *inbuf,int *incount,int *datatype,void *outbuf,int *outsize,int *position,int *comm,int *ierr)
508: {
509: *MPI_Abort(MPI_COMM_WORLD,0);
510: }
512: PETSC_EXTERN void PETSC_STDCALL mpi_unpack_(void *inbuf,int *insize,int *position,void *outbuf,int *outcount,int *datatype,int *comm,int *ierr)
513: {
514: *MPI_Abort(MPI_COMM_WORLD,0);
515: }
517: PETSC_EXTERN void PETSC_STDCALL mpi_pack_size_(int *incount,int *datatype,int *comm,int *size,int *ierr)
518: {
519: *MPI_Abort(MPI_COMM_WORLD,0);
520: }
522: 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)
523: {
524: *MPI_Abort(MPI_COMM_WORLD,0);
525: }
527: PETSC_EXTERN void PETSC_STDCALL mpi_type_commit_(int *datatype,int *ierr)
528: {
529: *MPI_SUCCESS;
530: }
532: double PETSC_STDCALL mpi_wtime_(void)
533: {
534: return 0.0;
535: }
537: PETSC_EXTERN void PETSC_STDCALL mpi_cancel_(int *request,int *ierr)
538: {
539: *MPI_SUCCESS;
540: }
542: PETSC_EXTERN void PETSC_STDCALL mpi_comm_dup_(int *comm,int *out,int *ierr)
543: {
544: *out = *comm;
545: *MPI_SUCCESS;
546: }
548: PETSC_EXTERN void PETSC_STDCALL mpi_comm_free_(int *comm,int *ierr)
549: {
550: *MPI_SUCCESS;
551: }
553: PETSC_EXTERN void PETSC_STDCALL mpi_get_count_(int *status,int *datatype,int *count,int *ierr)
554: {
555: *MPI_Abort(MPI_COMM_WORLD,0);
556: }
558: /* duplicate from fortranimpl.h */
559: #if defined(PETSC_HAVE_FORTRAN_MIXED_STR_ARG)
560: #define PETSC_MIXED_LEN(len) ,int len
561: #define PETSC_END_LEN(len)
562: #else
563: #define PETSC_MIXED_LEN(len)
564: #define PETSC_END_LEN(len) ,int len
565: #endif
567: PETSC_EXTERN void PETSC_STDCALL mpi_get_processor_name_(char *name PETSC_MIXED_LEN(len),int *result_len,int *ierr PETSC_END_LEN(len))
568: {
569: MPIUNI_Memcpy(name,"localhost",9*sizeof(char));
570: *result_len = 9;
571: *MPI_SUCCESS;
572: }
574: PETSC_EXTERN void PETSC_STDCALL mpi_initialized_(int *flag,int *ierr)
575: {
576: *flag = MPI_was_initialized;
577: *MPI_SUCCESS;
578: }
580: PETSC_EXTERN void PETSC_STDCALL mpi_iprobe_(int *source,int *tag,int *comm,int *glag,int *status,int *ierr)
581: {
582: *MPI_SUCCESS;
583: }
585: PETSC_EXTERN void PETSC_STDCALL mpi_probe_(int *source,int *tag,int *comm,int *flag,int *status,int *ierr)
586: {
587: *MPI_SUCCESS;
588: }
590: PETSC_EXTERN void PETSC_STDCALL mpi_request_free_(int *request,int *ierr)
591: {
592: *MPI_SUCCESS;
593: }
595: PETSC_EXTERN void PETSC_STDCALL mpi_ssend_(void *buf,int *count,int *datatype,int *dest,int *tag,int *comm,int *ierr)
596: {
597: *MPI_Abort(MPI_COMM_WORLD,0);
598: }
600: PETSC_EXTERN void PETSC_STDCALL mpi_wait_(int *request,int *status,int *ierr)
601: {
602: *MPI_SUCCESS;
603: }
605: PETSC_EXTERN void PETSC_STDCALL mpi_comm_group_(int *comm,int *group,int *ierr)
606: {
607: *MPI_SUCCESS;
608: }
610: PETSC_EXTERN void PETSC_STDCALL mpi_exscan_(void *sendbuf,void *recvbuf,int *count,int *datatype,int *op,int *comm,int *ierr)
611: {
612: *MPI_SUCCESS;
613: }
615: #endif /* MPIUNI_AVOID_MPI_NAMESPACE */
617: #if defined(__cplusplus)
618: }
619: #endif