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openmpi/src/mpi/c/recv_init.c

53 строки
1.4 KiB
C
Исходник Обычный вид История

/*
* $HEADERS$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "mpi.h"
#include "runtime/runtime.h"
#include "mpi/c/bindings.h"
#include "mca/pml/pml.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Recv_init = PMPI_Recv_init
#endif
#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif
int MPI_Recv_init(void *buf, int count, MPI_Datatype type, int source,
int tag, MPI_Comm comm, MPI_Request *request)
{
int rc;
if (source == MPI_PROC_NULL) {
return mca_pml.pml_null(request);
}
if ( MPI_PARAM_CHECK ) {
rc = MPI_SUCCESS;
if ( OMPI_MPI_INVALID_STATE ) {
rc = MPI_ERR_INTERN;
} else if (count < 0) {
rc = MPI_ERR_COUNT;
} else if (type == MPI_DATATYPE_NULL) {
rc = MPI_ERR_TYPE;
} else if (((tag < 0) && (tag != MPI_ANY_TAG)) || (tag > MPI_TAG_UB_VALUE)) {
rc = MPI_ERR_TAG;
} else if (ompi_comm_invalid(comm)) {
rc = MPI_ERR_COMM;
} else if (source != MPI_ANY_SOURCE &&
source != MPI_PROC_NULL &&
ompi_comm_peer_invalid(comm, source)) {
rc = MPI_ERR_RANK;
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, "MPI_Recv_init");
}
rc = mca_pml.pml_irecv_init(buf,count,type,source,tag,comm,request);
OMPI_ERRHANDLER_RETURN(rc, comm, rc, "MPI_Recv_init");
}