This source file includes following definitions.
- MPIX_Allgather_init
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26 #include "ompi_config.h"
27 #include <stdio.h>
28
29 #include "ompi/mpi/c/bindings.h"
30 #include "ompi/runtime/params.h"
31 #include "ompi/communicator/communicator.h"
32 #include "ompi/errhandler/errhandler.h"
33 #include "ompi/datatype/ompi_datatype.h"
34 #include "ompi/memchecker.h"
35 #include "ompi/mpiext/pcollreq/c/mpiext_pcollreq_c.h"
36 #include "ompi/runtime/ompi_spc.h"
37
38 #if OMPI_BUILD_MPI_PROFILING
39 #if OPAL_HAVE_WEAK_SYMBOLS
40 #pragma weak MPIX_Allgather_init = PMPIX_Allgather_init
41 #endif
42 #define MPIX_Allgather_init PMPIX_Allgather_init
43 #endif
44
45 static const char FUNC_NAME[] = "MPIX_Allgather_init";
46
47
48 int MPIX_Allgather_init(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
49 void *recvbuf, int recvcount, MPI_Datatype recvtype,
50 MPI_Comm comm, MPI_Info info, MPI_Request *request)
51 {
52 int err;
53
54 SPC_RECORD(OMPI_SPC_ALLGATHER_INIT, 1);
55
56 MEMCHECKER(
57 int rank;
58 ptrdiff_t ext;
59
60 rank = ompi_comm_rank(comm);
61 ompi_datatype_type_extent(recvtype, &ext);
62
63 memchecker_datatype(recvtype);
64 memchecker_comm(comm);
65
66 if (MPI_IN_PLACE == sendbuf) {
67 memchecker_call(&opal_memchecker_base_isdefined,
68 (char *)(recvbuf)+rank*ext,
69 recvcount, recvtype);
70 } else {
71 memchecker_datatype(sendtype);
72 memchecker_call(&opal_memchecker_base_isdefined, sendbuf, sendcount, sendtype);
73 }
74
75 memchecker_call(&opal_memchecker_base_isaddressable, recvbuf, recvcount, recvtype);
76 );
77
78 if (MPI_PARAM_CHECK) {
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83 err = MPI_SUCCESS;
84 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
85 if (ompi_comm_invalid(comm)) {
86 OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
87 } else if (MPI_DATATYPE_NULL == recvtype || NULL == recvtype) {
88 err = MPI_ERR_TYPE;
89 } else if (recvcount < 0) {
90 err = MPI_ERR_COUNT;
91 } else if ((MPI_IN_PLACE == sendbuf && OMPI_COMM_IS_INTER(comm)) ||
92 MPI_IN_PLACE == recvbuf) {
93 return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
94 } else if (MPI_IN_PLACE != sendbuf) {
95 OMPI_CHECK_DATATYPE_FOR_SEND(err, sendtype, sendcount);
96 }
97 OMPI_ERRHANDLER_CHECK(err, comm, err, FUNC_NAME);
98 }
99
100 OPAL_CR_ENTER_LIBRARY();
101
102
103 err = comm->c_coll->coll_allgather_init(sendbuf, sendcount, sendtype,
104 recvbuf, recvcount, recvtype, comm,
105 info, request, comm->c_coll->coll_allgather_init_module);
106
107 OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
108 }