1 /* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "smpi_coll.hpp"
8 #include "smpi_comm.hpp"
9 #include "smpi_datatype_derived.hpp"
10 #include "smpi_op.hpp"
11 #include "smpi_win.hpp"
12 #include "src/smpi/include/smpi_actor.hpp"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smpi_pmpi);
17 CHECK_COUNT(2, origin_count)\
18 CHECK_TYPE(3, origin_datatype)\
19 CHECK_BUFFER(1, origin_addr, origin_count, origin_datatype)\
20 CHECK_PROC_RMA(4, target_rank, win)\
21 CHECK_COUNT(6, target_count)\
22 CHECK_TYPE(7, target_datatype)
24 #define CHECK_TARGET_DISP(num) \
25 if (not win->dynamic()) \
26 CHECK_NEGATIVE((num), MPI_ERR_RMA_RANGE, target_disp)
28 /* PMPI User level calls */
30 int PMPI_Win_create( void *base, MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, MPI_Win *win){
33 CHECK_NEGATIVE(2, MPI_ERR_OTHER, size)
34 CHECK_NEGATIVE(3, MPI_ERR_OTHER, disp_unit)
35 const SmpiBenchGuard suspend_bench;
36 if (base == nullptr && size != 0){
37 retval= MPI_ERR_OTHER;
39 *win = new simgrid::smpi::Win( base, size, disp_unit, info, comm);
45 int PMPI_Win_allocate( MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, void *base, MPI_Win *win){
47 CHECK_NEGATIVE(2, MPI_ERR_OTHER, size)
48 CHECK_NEGATIVE(3, MPI_ERR_OTHER, disp_unit)
49 void* ptr = xbt_malloc(size);
50 const SmpiBenchGuard suspend_bench;
51 *static_cast<void**>(base) = ptr;
52 *win = new simgrid::smpi::Win(ptr, size, disp_unit, info, comm, true);
56 int PMPI_Win_allocate_shared( MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, void *base, MPI_Win *win){
58 CHECK_NEGATIVE(2, MPI_ERR_OTHER, size)
59 CHECK_NEGATIVE(3, MPI_ERR_OTHER, disp_unit)
61 int rank = comm->rank();
63 ptr = xbt_malloc(size*comm->size());
65 const SmpiBenchGuard suspend_bench;
66 simgrid::smpi::colls::bcast(&ptr, sizeof(void*), MPI_BYTE, 0, comm);
67 simgrid::smpi::colls::barrier(comm);
68 *static_cast<void**>(base) = (char*)ptr+rank*size;
69 *win = new simgrid::smpi::Win(ptr, size, disp_unit, info, comm, rank == 0);
73 int PMPI_Win_create_dynamic( MPI_Info info, MPI_Comm comm, MPI_Win *win){
75 const SmpiBenchGuard suspend_bench;
76 *win = new simgrid::smpi::Win(info, comm);
80 int PMPI_Win_attach(MPI_Win win, void *base, MPI_Aint size){
82 CHECK_NEGATIVE(3, MPI_ERR_OTHER, size)
83 if (base == nullptr && size != 0)
85 const SmpiBenchGuard suspend_bench;
86 int retval = win->attach(base, size);
90 int PMPI_Win_detach(MPI_Win win, const void* base)
93 CHECK_NULL(2, MPI_ERR_OTHER, base)
94 const SmpiBenchGuard suspend_bench;
95 int retval = win->detach(base);
99 int PMPI_Win_free( MPI_Win* win){
100 CHECK_NULL(1, MPI_ERR_WIN, win)
102 if ((*win)->opened() == 1){
103 XBT_WARN("Attempt to destroy a MPI_Win too early -missing MPI_Win_fence ?");
106 const SmpiBenchGuard suspend_bench;
111 int PMPI_Win_set_name(MPI_Win win, const char * name)
114 CHECK_NULL(2, MPI_ERR_ARG, name)
119 int PMPI_Win_get_name(MPI_Win win, char * name, int* len)
122 CHECK_NULL(2, MPI_ERR_ARG, name)
123 win->get_name(name, len);
127 int PMPI_Win_get_info(MPI_Win win, MPI_Info* info)
130 CHECK_NULL(2, MPI_ERR_ARG, info)
131 *info = new simgrid::smpi::Info(win->info());
135 int PMPI_Win_set_info(MPI_Win win, MPI_Info info)
142 int PMPI_Win_get_group(MPI_Win win, MPI_Group * group){
144 win->get_group(group);
145 if (*group != MPI_COMM_WORLD->group() && *group != MPI_GROUP_NULL && *group != MPI_GROUP_EMPTY)
150 int PMPI_Win_fence( int assert, MPI_Win win){
152 const SmpiBenchGuard suspend_bench;
153 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
154 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_fence"));
155 int retval = win->fence(assert);
156 TRACE_smpi_comm_out(my_proc_id);
160 int PMPI_Get( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
161 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win){
167 const SmpiBenchGuard suspend_bench;
169 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
171 win->get_group(&group);
172 TRACE_smpi_comm_in(my_proc_id, __func__,
173 new simgrid::instr::Pt2PtTIData("Get", target_rank, origin_datatype->is_replayable()
175 : origin_count * origin_datatype->size(),
176 simgrid::smpi::Datatype::encode(origin_datatype)));
177 retval = win->get( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
179 TRACE_smpi_comm_out(my_proc_id);
184 int PMPI_Rget( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
185 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win, MPI_Request* request){
186 if(target_rank==MPI_PROC_NULL)
187 *request = MPI_REQUEST_NULL;
191 CHECK_NULL(9, MPI_ERR_ARG, request)
194 const SmpiBenchGuard suspend_bench;
196 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
198 win->get_group(&group);
199 TRACE_smpi_comm_in(my_proc_id, __func__,
200 new simgrid::instr::Pt2PtTIData(
202 origin_datatype->is_replayable() ? origin_count : origin_count * origin_datatype->size(),
203 simgrid::smpi::Datatype::encode(origin_datatype)));
205 retval = win->get( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
206 target_datatype, request);
208 TRACE_smpi_comm_out(my_proc_id);
213 int PMPI_Put(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
214 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win){
220 const SmpiBenchGuard suspend_bench;
222 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
224 win->get_group(&group);
225 aid_t dst_traced = group->actor(target_rank);
226 TRACE_smpi_comm_in(my_proc_id, __func__,
227 new simgrid::instr::Pt2PtTIData("Put", target_rank, origin_datatype->is_replayable()
229 : origin_count * origin_datatype->size(),
230 simgrid::smpi::Datatype::encode(origin_datatype)));
231 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, SMPI_RMA_TAG, origin_count * origin_datatype->size());
233 retval = win->put( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
236 TRACE_smpi_comm_out(my_proc_id);
241 int PMPI_Rput(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
242 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win, MPI_Request* request){
243 if(target_rank==MPI_PROC_NULL)
244 *request = MPI_REQUEST_NULL;
248 CHECK_NULL(9, MPI_ERR_ARG, request)
250 const SmpiBenchGuard suspend_bench;
252 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
254 win->get_group(&group);
255 aid_t dst_traced = group->actor(target_rank);
256 TRACE_smpi_comm_in(my_proc_id, __func__,
257 new simgrid::instr::Pt2PtTIData(
259 origin_datatype->is_replayable() ? origin_count : origin_count * origin_datatype->size(),
260 simgrid::smpi::Datatype::encode(origin_datatype)));
261 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, SMPI_RMA_TAG, origin_count * origin_datatype->size());
263 retval = win->put( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
264 target_datatype, request);
266 TRACE_smpi_comm_out(my_proc_id);
271 int PMPI_Accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
272 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Op op, MPI_Win win){
275 CHECK_MPI_NULL(8, MPI_OP_NULL, MPI_ERR_OP, op)
280 const SmpiBenchGuard suspend_bench;
281 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
283 win->get_group(&group);
284 TRACE_smpi_comm_in(my_proc_id, __func__,
285 new simgrid::instr::Pt2PtTIData(
286 "Accumulate", target_rank,
287 origin_datatype->is_replayable() ? origin_count : origin_count * origin_datatype->size(),
288 simgrid::smpi::Datatype::encode(origin_datatype)));
289 retval = win->accumulate( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
290 target_datatype, op);
292 TRACE_smpi_comm_out(my_proc_id);
297 int PMPI_Raccumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
298 MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Op op, MPI_Win win, MPI_Request* request){
299 if(target_rank==MPI_PROC_NULL)
300 *request = MPI_REQUEST_NULL;
303 CHECK_MPI_NULL(8, MPI_OP_NULL, MPI_ERR_OP, op)
305 CHECK_NULL(10, MPI_ERR_ARG, request)
309 const SmpiBenchGuard suspend_bench;
311 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
313 win->get_group(&group);
314 TRACE_smpi_comm_in(my_proc_id, __func__,
315 new simgrid::instr::Pt2PtTIData(
316 "Raccumulate", target_rank,
317 origin_datatype->is_replayable() ? origin_count : origin_count * origin_datatype->size(),
318 simgrid::smpi::Datatype::encode(origin_datatype)));
320 retval = win->accumulate( origin_addr, origin_count, origin_datatype, target_rank, target_disp, target_count,
321 target_datatype, op, request);
323 TRACE_smpi_comm_out(my_proc_id);
328 int PMPI_Get_accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, void *result_addr,
329 int result_count, MPI_Datatype result_datatype, int target_rank, MPI_Aint target_disp, int target_count,
330 MPI_Datatype target_datatype, MPI_Op op, MPI_Win win){
332 if (op != MPI_NO_OP){
333 CHECK_BUFFER(1, origin_addr, origin_count, origin_datatype)
334 CHECK_COUNT(2, origin_count)
336 CHECK_TYPE(3, origin_datatype)
338 CHECK_COUNT(5, result_count)
339 CHECK_TYPE(6, result_datatype)
340 CHECK_BUFFER(4, result_addr, result_count, result_datatype)
342 CHECK_PROC_RMA(7, target_rank, win)
343 CHECK_COUNT(9, target_count)
344 CHECK_TYPE(10, target_datatype)
345 CHECK_MPI_NULL(11, MPI_OP_NULL, MPI_ERR_OP, op)
349 const SmpiBenchGuard suspend_bench;
351 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
353 win->get_group(&group);
354 TRACE_smpi_comm_in(my_proc_id, __func__,
355 new simgrid::instr::Pt2PtTIData(
356 "Get_accumulate", target_rank,
357 target_datatype->is_replayable() ? target_count : target_count * target_datatype->size(),
358 simgrid::smpi::Datatype::encode(target_datatype)));
360 retval = win->get_accumulate( origin_addr, origin_count, origin_datatype, result_addr,
361 result_count, result_datatype, target_rank, target_disp,
362 target_count, target_datatype, op);
364 TRACE_smpi_comm_out(my_proc_id);
370 int PMPI_Rget_accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype, void *result_addr,
371 int result_count, MPI_Datatype result_datatype, int target_rank, MPI_Aint target_disp, int target_count,
372 MPI_Datatype target_datatype, MPI_Op op, MPI_Win win, MPI_Request* request){
373 if(target_rank==MPI_PROC_NULL)
374 *request = MPI_REQUEST_NULL;
375 if (op != MPI_NO_OP){
376 CHECK_BUFFER(1, origin_addr, origin_count, origin_datatype)
377 CHECK_COUNT(2, origin_count)
379 CHECK_TYPE(3, origin_datatype)
381 CHECK_COUNT(5, result_count)
382 CHECK_TYPE(6, result_datatype)
383 CHECK_BUFFER(4, result_addr, result_count, result_datatype)
385 CHECK_PROC_RMA(7, target_rank, win)
386 CHECK_COUNT(9, target_count)
387 CHECK_TYPE(10, target_datatype)
388 CHECK_MPI_NULL(11, MPI_OP_NULL, MPI_ERR_OP, op)
390 CHECK_NULL(10, MPI_ERR_ARG, request)
392 const SmpiBenchGuard suspend_bench;
394 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
396 win->get_group(&group);
397 TRACE_smpi_comm_in(my_proc_id, __func__,
398 new simgrid::instr::Pt2PtTIData(
399 "Rget_accumulate", target_rank,
400 target_datatype->is_replayable() ? target_count : target_count * target_datatype->size(),
401 simgrid::smpi::Datatype::encode(target_datatype)));
403 retval = win->get_accumulate( origin_addr, origin_count, origin_datatype, result_addr,
404 result_count, result_datatype, target_rank, target_disp,
405 target_count, target_datatype, op, request);
407 TRACE_smpi_comm_out(my_proc_id);
412 int PMPI_Fetch_and_op(const void *origin_addr, void *result_addr, MPI_Datatype dtype, int target_rank, MPI_Aint target_disp, MPI_Op op, MPI_Win win){
413 return PMPI_Get_accumulate(origin_addr, origin_addr==nullptr?0:1, dtype, result_addr, 1, dtype, target_rank, target_disp, 1, dtype, op, win);
416 int PMPI_Compare_and_swap(const void* origin_addr, void* compare_addr, void* result_addr, MPI_Datatype datatype,
417 int target_rank, MPI_Aint target_disp, MPI_Win win)
419 CHECK_NULL(1, MPI_ERR_BUFFER, origin_addr)
420 CHECK_NULL(2, MPI_ERR_BUFFER, compare_addr)
421 CHECK_NULL(3, MPI_ERR_BUFFER, result_addr)
422 CHECK_TYPE(4, datatype)
424 CHECK_PROC_RMA(5, target_rank, win)
429 const SmpiBenchGuard suspend_bench;
431 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
433 win->get_group(&group);
434 TRACE_smpi_comm_in(my_proc_id, __func__,
435 new simgrid::instr::Pt2PtTIData("Compare_and_swap", target_rank,
436 datatype->is_replayable() ? 1 : datatype->size(),
437 simgrid::smpi::Datatype::encode(datatype)));
439 retval = win->compare_and_swap(origin_addr, compare_addr, result_addr, datatype, target_rank, target_disp);
441 TRACE_smpi_comm_out(my_proc_id);
446 int PMPI_Win_post(MPI_Group group, int assert, MPI_Win win){
447 CHECK_GROUP(1, group)
449 const SmpiBenchGuard suspend_bench;
450 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
451 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_post"));
452 int retval = win->post(group,assert);
453 TRACE_smpi_comm_out(my_proc_id);
457 int PMPI_Win_start(MPI_Group group, int assert, MPI_Win win){
458 CHECK_GROUP(1, group)
460 const SmpiBenchGuard suspend_bench;
461 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
462 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_start"));
463 int retval = win->start(group,assert);
464 TRACE_smpi_comm_out(my_proc_id);
468 int PMPI_Win_complete(MPI_Win win){
470 const SmpiBenchGuard suspend_bench;
471 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
472 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_complete"));
473 int retval = win->complete();
474 TRACE_smpi_comm_out(my_proc_id);
478 int PMPI_Win_wait(MPI_Win win){
480 const SmpiBenchGuard suspend_bench;
481 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
482 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_wait"));
483 int retval = win->wait();
484 TRACE_smpi_comm_out(my_proc_id);
488 int PMPI_Win_lock(int lock_type, int rank, int assert, MPI_Win win){
490 CHECK_PROC_RMA(2, rank, win)
492 const SmpiBenchGuard suspend_bench;
493 if (lock_type != MPI_LOCK_EXCLUSIVE &&
494 lock_type != MPI_LOCK_SHARED) {
495 retval = MPI_ERR_LOCKTYPE;
497 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
498 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_lock"));
499 retval = win->lock(lock_type,rank,assert);
500 TRACE_smpi_comm_out(my_proc_id);
505 int PMPI_Win_unlock(int rank, MPI_Win win){
507 CHECK_PROC_RMA(1, rank, win)
508 const SmpiBenchGuard suspend_bench;
509 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
510 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_unlock"));
511 int retval = win->unlock(rank);
512 TRACE_smpi_comm_out(my_proc_id);
516 int PMPI_Win_lock_all(int assert, MPI_Win win){
518 const SmpiBenchGuard suspend_bench;
519 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
520 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_lock_all"));
521 int retval = win->lock_all(assert);
522 TRACE_smpi_comm_out(my_proc_id);
526 int PMPI_Win_unlock_all(MPI_Win win){
528 const SmpiBenchGuard suspend_bench;
529 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
530 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_unlock_all"));
531 int retval = win->unlock_all();
532 TRACE_smpi_comm_out(my_proc_id);
536 int PMPI_Win_flush(int rank, MPI_Win win){
538 CHECK_PROC_RMA(1, rank, win)
539 const SmpiBenchGuard suspend_bench;
540 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
541 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_flush"));
542 int retval = win->flush(rank);
543 TRACE_smpi_comm_out(my_proc_id);
547 int PMPI_Win_flush_local(int rank, MPI_Win win){
549 CHECK_PROC_RMA(1, rank, win)
550 const SmpiBenchGuard suspend_bench;
551 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
552 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_flush_local"));
553 int retval = win->flush_local(rank);
554 TRACE_smpi_comm_out(my_proc_id);
558 int PMPI_Win_flush_all(MPI_Win win){
560 const SmpiBenchGuard suspend_bench;
561 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
562 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_flush_all"));
563 int retval = win->flush_all();
564 TRACE_smpi_comm_out(my_proc_id);
568 int PMPI_Win_flush_local_all(MPI_Win win){
570 const SmpiBenchGuard suspend_bench;
571 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
572 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Win_flush_local_all"));
573 int retval = win->flush_local_all();
574 TRACE_smpi_comm_out(my_proc_id);
578 int PMPI_Win_shared_query (MPI_Win win, int rank, MPI_Aint* size, int* disp_unit, void* baseptr)
581 return win->shared_query(rank, size, disp_unit, baseptr);
584 int PMPI_Win_get_attr (MPI_Win win, int keyval, void *attribute_val, int* flag)
586 static MPI_Aint size;
587 static MPI_Aint disp_unit;
591 *static_cast<void**>(attribute_val) = win->base();
596 *static_cast<MPI_Aint**>(attribute_val) = &size;
599 case MPI_WIN_DISP_UNIT:
600 disp_unit = win->disp_unit();
601 *static_cast<MPI_Aint**>(attribute_val) = &disp_unit;
605 return win->attr_get<simgrid::smpi::Win>(keyval, attribute_val, flag);
609 int PMPI_Win_set_attr (MPI_Win win, int type_keyval, void *attribute_val)
612 return win->attr_put<simgrid::smpi::Win>(type_keyval, attribute_val);
615 int PMPI_Win_delete_attr (MPI_Win win, int type_keyval)
618 return win->attr_delete<simgrid::smpi::Win>(type_keyval);
621 int PMPI_Win_create_keyval(MPI_Win_copy_attr_function* copy_fn, MPI_Win_delete_attr_function* delete_fn, int* keyval,
624 smpi_copy_fn _copy_fn={nullptr, nullptr,copy_fn,nullptr, nullptr,nullptr};
625 smpi_delete_fn _delete_fn={nullptr, nullptr,delete_fn,nullptr, nullptr,nullptr};
626 return simgrid::smpi::Keyval::keyval_create<simgrid::smpi::Win>(_copy_fn, _delete_fn, keyval, extra_state);
629 int PMPI_Win_free_keyval(int* keyval) {
630 return simgrid::smpi::Keyval::keyval_free<simgrid::smpi::Win>(keyval);
633 MPI_Win PMPI_Win_f2c(MPI_Fint win){
636 return simgrid::smpi::Win::f2c(win);
639 MPI_Fint PMPI_Win_c2f(MPI_Win win){
640 if(win==MPI_WIN_NULL)
645 int PMPI_Win_create_errhandler(MPI_Win_errhandler_function* function, MPI_Errhandler* errhandler){
646 *errhandler=new simgrid::smpi::Errhandler(function);
650 int PMPI_Win_get_errhandler(MPI_Win win, MPI_Errhandler* errhandler){
652 if (errhandler==nullptr){
655 *errhandler=win->errhandler();
659 int PMPI_Win_set_errhandler(MPI_Win win, MPI_Errhandler errhandler){
661 if (errhandler==nullptr){
664 win->set_errhandler(errhandler);
668 int PMPI_Win_call_errhandler(MPI_Win win,int errorcode){
670 MPI_Errhandler err = win->errhandler();
671 err->call(win, errorcode);
672 simgrid::smpi::Errhandler::unref(err);