void ompi_ireduce_f(char *sendbuf, char *recvbuf, MPI_Fint *count,
MPI_Fint *datatype, MPI_Fint *op,
MPI_Fint *root, MPI_Fint *comm, MPI_Fint *request,
MPI_Fint *ierr)
{
int c_ierr;
MPI_Datatype c_type;
MPI_Request c_request;
MPI_Op c_op;
MPI_Comm c_comm;
c_type = MPI_Type_f2c(*datatype);
c_op = MPI_Op_f2c(*op);
c_comm = MPI_Comm_f2c(*comm);
sendbuf = (char *) OMPI_F2C_IN_PLACE(sendbuf);
sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
c_ierr = MPI_Ireduce(sendbuf, recvbuf,
OMPI_FINT_2_INT(*count),
c_type, c_op,
OMPI_FINT_2_INT(*root),
c_comm, &c_request);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) *request = MPI_Request_c2f(c_request);
}
void ompi_ialltoall_f(char *sendbuf, MPI_Fint *sendcount, MPI_Fint *sendtype,
char *recvbuf, MPI_Fint *recvcount, MPI_Fint *recvtype,
MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr)
{
int c_ierr;
MPI_Comm c_comm;
MPI_Request c_req;
MPI_Datatype c_sendtype, c_recvtype;
c_comm = MPI_Comm_f2c(*comm);
c_sendtype = MPI_Type_f2c(*sendtype);
c_recvtype = MPI_Type_f2c(*recvtype);
sendbuf = (char *) OMPI_F2C_IN_PLACE(sendbuf);
sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
c_ierr = MPI_Ialltoall(sendbuf,
OMPI_FINT_2_INT(*sendcount),
c_sendtype,
recvbuf,
OMPI_FINT_2_INT(*recvcount),
c_recvtype, c_comm, &c_req);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) *request = MPI_Request_c2f(c_req);
}
__FRET__ __FFNAME__(__FPARAMS__)
{
double tstart, tstop;
#if HAVE_CREQ /* HAVE _CREQ */
MPI_Request creq;
#endif
#if HAVE_CSTAT /* HAVE _CSTAT */
MPI_Status cstat;
#endif
#if HAVE_CCOMM_OUT
MPI_Comm ccomm_out;
#endif /* HAVE _CCOMM_OUT */
#if HAVE_CCOMM_INOUT
MPI_Comm ccomm_inout;
#endif /* HAVE _CCOMM_INOUT */
#if HAVE_CCOMM_INOUT
ccomm_inout = MPI_Comm_f2c(*comm_inout);
#endif
#if HAVE_CGROUP_OUT /* HAVE _CGROUP_OUT */
MPI_Group cgroup_out;
#endif
IPM_TIMESTAMP(tstart);
p__FFNAME__(__FARGS__);
IPM_TIMESTAMP(tstop);
if( ipm_state!=STATE_ACTIVE ) {
return;
}
#if HAVE_CSTAT /* HAVE_CSTAT */
if (*info==MPI_SUCCESS)
MPI_Status_c2f(&cstat, status);
#endif
#if HAVE_CREQ /* HAVE_CREQ */
if( *info==MPI_SUCCESS )
*req=MPI_Request_c2f(creq);
#endif
#if HAVE_CCOMM_OUT /* HAVE _CCOMM_OUT */
if( *info==MPI_SUCCESS )
*comm_out=MPI_Comm_c2f(ccomm_out);
#endif
#if HAVE_CCOMM_INOUT /* HAVE _CCOMM_INOUT */
if( *info==MPI_SUCCESS )
*comm_inout=MPI_Comm_c2f(ccomm_inout);
#endif
#if HAVE_CGROUP_OUT /* HAVE _CGROUP_OUT */
if( *info==MPI_SUCCESS )
*group_out=MPI_Group_c2f(cgroup_out);
#endif
IPM___CFNAME__(__F2CARGS__, tstart, tstop);
}
void ompi_igatherv_f(char *sendbuf, MPI_Fint *sendcount, MPI_Fint *sendtype,
char *recvbuf, MPI_Fint *recvcounts, MPI_Fint *displs,
MPI_Fint *recvtype, MPI_Fint *root, MPI_Fint *comm,
MPI_Fint *request, MPI_Fint *ierr)
{
MPI_Comm c_comm;
MPI_Datatype c_sendtype, c_recvtype;
MPI_Request c_request;
int size, c_ierr;
OMPI_ARRAY_NAME_DECL(recvcounts);
OMPI_ARRAY_NAME_DECL(displs);
c_comm = MPI_Comm_f2c(*comm);
c_sendtype = MPI_Type_f2c(*sendtype);
c_recvtype = MPI_Type_f2c(*recvtype);
MPI_Comm_size(c_comm, &size);
OMPI_ARRAY_FINT_2_INT(recvcounts, size);
OMPI_ARRAY_FINT_2_INT(displs, size);
sendbuf = (char *) OMPI_F2C_IN_PLACE(sendbuf);
sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
c_ierr = MPI_Igatherv(sendbuf, OMPI_FINT_2_INT(*sendcount),
c_sendtype, recvbuf,
OMPI_ARRAY_NAME_CONVERT(recvcounts),
OMPI_ARRAY_NAME_CONVERT(displs),
c_recvtype,
OMPI_FINT_2_INT(*root),
c_comm, &c_request);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) *request = MPI_Request_c2f(c_request);
}
void ompi_ineighbor_allgather_f(char *sendbuf, MPI_Fint *sendcount, MPI_Fint *sendtype,
char *recvbuf, MPI_Fint *recvcount, MPI_Fint *recvtype,
MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr)
{
int ierr_c;
MPI_Comm c_comm;
MPI_Request c_req;
MPI_Datatype c_sendtype, c_recvtype;
c_comm = MPI_Comm_f2c(*comm);
c_sendtype = MPI_Type_f2c(*sendtype);
c_recvtype = MPI_Type_f2c(*recvtype);
sendbuf = (char *) OMPI_F2C_IN_PLACE(sendbuf);
sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
ierr_c = MPI_Ineighbor_allgather(sendbuf,
OMPI_FINT_2_INT(*sendcount),
c_sendtype,
recvbuf,
OMPI_FINT_2_INT(*recvcount),
c_recvtype, c_comm, &c_req);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(ierr_c);
if (MPI_SUCCESS == ierr_c) *request = MPI_Request_c2f(c_req);
}
void ompi_ireduce_scatter_f(char *sendbuf, char *recvbuf,
MPI_Fint *recvcounts, MPI_Fint *datatype,
MPI_Fint *op, MPI_Fint *comm, MPI_Fint *request,
MPI_Fint *ierr)
{
int c_ierr;
MPI_Comm c_comm;
MPI_Datatype c_type;
MPI_Request c_request;
MPI_Op c_op;
int size;
OMPI_ARRAY_NAME_DECL(recvcounts);
c_comm = MPI_Comm_f2c(*comm);
c_type = MPI_Type_f2c(*datatype);
c_op = MPI_Op_f2c(*op);
MPI_Comm_size(c_comm, &size);
OMPI_ARRAY_FINT_2_INT(recvcounts, size);
sendbuf = (char *) OMPI_F2C_IN_PLACE(sendbuf);
sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
c_ierr = MPI_Ireduce_scatter(sendbuf, recvbuf,
OMPI_ARRAY_NAME_CONVERT(recvcounts),
c_type, c_op, c_comm, &c_request);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) *request = MPI_Request_c2f(c_request);
}
void f2crequest_( MPI_Fint * req )
{
MPI_Request cReq;
MPI_Irecv( NULL, 0, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG,
MPI_COMM_WORLD, &cReq );
MPI_Cancel( &cReq );
*req = MPI_Request_c2f( cReq );
}
void mpi_irecv (void *buf, MPI_Fint *count, MPI_Fint *datatype,
MPI_Fint *source, MPI_Fint *tag, MPI_Fint *comm,
MPI_Fint *request, MPI_Fint *__ierr)
{
MPI_Request lrequest;
*__ierr = MPI_Irecv (buf, (int)*count, MPI_Type_f2c (*datatype),
(int)*source,(int)*tag,
MPI_Comm_f2c(*comm),&lrequest);
*request = MPI_Request_c2f (lrequest);
}
void mpi_issend (void *buf, MPI_Fint *count, MPI_Fint *datatype,
MPI_Fint *dest, MPI_Fint *tag, MPI_Fint *comm,
MPI_Fint *request, MPI_Fint *__ierr)
{
MPI_Request lrequest;
*__ierr = MPI_Issend (buf, (int) *count, MPI_Type_f2c (*datatype),
(int) *dest, (int) *tag, MPI_Comm_f2c (*comm),
&lrequest);
*request = MPI_Request_c2f (lrequest);
}
int main( int argc, char *argv[] )
{
MPI_Fint handleA, handleB;
int rc;
int errs = 0;
int buf[1];
MPI_Request cRequest;
MPI_Status st;
int tFlag;
MTest_Init( &argc, &argv );
/* Request */
rc = MPI_Irecv( buf, 1, MPI_INT, 0, 0, MPI_COMM_WORLD, &cRequest );
if (rc) {
errs++;
printf( "Unable to create request\n" );
}
else {
handleA = MPI_Request_c2f( cRequest );
handleB = MPI_Request_c2f( cRequest );
if (handleA != handleB) {
errs++;
printf( "MPI_Request_c2f does not give the same handle twice on the same MPI_Request\n" );
}
}
MPI_Cancel( &cRequest );
MPI_Test( &cRequest, &tFlag, &st );
MPI_Test_cancelled( &st, &tFlag );
if (!tFlag) {
errs++;
printf( "Unable to cancel MPI_Irecv request\n" );
}
/* Using MPI_Request_free should be ok, but some MPI implementations
object to it imediately after the cancel and that isn't essential to
this test */
MTest_Finalize( errs );
MPI_Finalize();
return 0;
}
void mpif_recv_init_ (void*buffer, int*count, MPI_Fint*type,
int*src, int*tag, MPI_Fint*comm, MPI_Fint *req, int*error)
{
MPI_Datatype c_type = MPI_Type_f2c(*type);
MPI_Comm c_comm = MPI_Comm_f2c(*comm);
MPI_Request c_req = MPI_Request_f2c(*req);
*error = MPI_Recv_init_core(buffer, *count, c_type, *src, *tag, c_comm, &c_req);
*req = MPI_Request_c2f(c_req);
MPI_Recv_init_epilog(buffer, *count, c_type, *src, *tag, c_comm, req);
}
void mpi_wait (MPI_Fint *request, MPI_Fint *status, MPI_Fint *__ierr)
{
MPI_Request lrequest;
MPI_Status c_status;
lrequest = MPI_Request_f2c (*request);
*__ierr = MPI_Wait (&lrequest, &c_status);
*request = MPI_Request_c2f (lrequest);
MPI_Status_c2f (&c_status, status);
}
FORTRAN_API void FORT_CALL mpi_wait_ ( MPI_Fint *request, MPI_Fint *status, MPI_Fint *__ierr )
{
MPI_Request lrequest;
MPI_Status c_status;
lrequest = MPI_Request_f2c(*request);
*__ierr = MPI_Wait(&lrequest, &c_status);
*request = MPI_Request_c2f(lrequest);
if (*__ierr == MPI_SUCCESS)
MPI_Status_c2f(&c_status, status);
}
void mpi_file_iwrite_f(MPI_Fint *fh, char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *request, MPI_Fint *ierr)
{
MPI_File c_fh = MPI_File_f2c(*fh);
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Request c_request;
*ierr = OMPI_INT_2_FINT(MPI_File_iwrite(c_fh, OMPI_F2C_BOTTOM(buf),
OMPI_FINT_2_INT(*count),
c_type, &c_request));
if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
*request = MPI_Request_c2f(c_request);
}
}
void ompi_file_iwrite_all_f(MPI_Fint *fh, char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *request, MPI_Fint *ierr)
{
int c_ierr;
MPI_File c_fh = MPI_File_f2c(*fh);
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Request c_request;
c_ierr = MPI_File_iwrite_all(c_fh, OMPI_F2C_BOTTOM(buf),
OMPI_FINT_2_INT(*count),
c_type, &c_request);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) {
*request = MPI_Request_c2f(c_request);
}
}
void mpi_issend_f(char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *dest, MPI_Fint *tag, MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr)
{
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Request c_req;
MPI_Comm c_comm;
c_comm = MPI_Comm_f2c (*comm);
*ierr = OMPI_INT_2_FINT(MPI_Issend(OMPI_F2C_BOTTOM(buf), OMPI_FINT_2_INT(*count),
c_type, OMPI_FINT_2_INT(*dest),
OMPI_FINT_2_INT(*tag),
c_comm, &c_req));
if (MPI_SUCCESS == OMPI_FINT_2_INT(*ierr)) {
*request = MPI_Request_c2f(c_req);
}
}
MPI_Fint c2frequest_ ( MPI_Fint *request )
{
MPI_Request req = MPI_Request_f2c( *request );
MPI_Status status;
int flag;
MPI_Test( &req, &flag, &status );
MPI_Test_cancelled( &status, &flag );
if (!flag) {
fprintf( stderr, "Request: Wrong value for flag\n" );
return 1;
}
else {
*request = MPI_Request_c2f( req );
}
return 0;
}
FORTRAN_API void FORT_CALL mpi_waitall_(MPI_Fint *count, MPI_Fint array_of_requests[], MPI_Fint array_of_statuses[][MPI_STATUS_SIZE], MPI_Fint *__ierr )
{
int i;
MPI_Request *lrequest = 0;
MPI_Request local_lrequest[MPIR_USE_LOCAL_ARRAY];
MPI_Status *c_status = 0;
MPI_Status local_c_status[MPIR_USE_LOCAL_ARRAY];
if ((int)*count > 0) {
if ((int)*count > MPIR_USE_LOCAL_ARRAY) {
MPIR_FALLOC(lrequest,(MPI_Request*)MALLOC(sizeof(MPI_Request) *
(int)*count), MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
"MPI_WAITALL" );
MPIR_FALLOC(c_status,(MPI_Status*)MALLOC(sizeof(MPI_Status) *
(int)*count), MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
"MPI_WAITALL" );
}
else {
lrequest = local_lrequest;
c_status = local_c_status;
}
for (i=0; i<(int)*count; i++) {
lrequest[i] = MPI_Request_f2c( array_of_requests[i] );
}
*__ierr = MPI_Waitall((int)*count,lrequest,c_status);
/* By checking for lrequest[i] = 0, we handle persistant requests */
for (i=0; i<(int)*count; i++) {
array_of_requests[i] = MPI_Request_c2f( lrequest[i] );
}
}
else
*__ierr = MPI_Waitall((int)*count,(MPI_Request *)0, c_status );
if (*__ierr == MPI_SUCCESS)
for (i=0; i<(int)*count; i++)
MPI_Status_c2f(&(c_status[i]), &(array_of_statuses[i][0]) );
if ((int)*count > MPIR_USE_LOCAL_ARRAY) {
FREE( lrequest );
FREE( c_status );
}
}
/*
** mpi_waitall was simplified from the FPMPI version.
** This one has a hard limit of LOCAL_ARRAY_SIZE requests.
** If this limit is exceeded, MPI_Abort is called. There is probably
** a better solution.
*/
void mpi_waitall (MPI_Fint *count, MPI_Fint array_of_requests[],
MPI_Fint array_of_statuses[][MPI_STATUS_SIZE],
MPI_Fint *__ierr)
{
const int LOCAL_ARRAY_SIZE = 128;
int i;
MPI_Request lrequest[LOCAL_ARRAY_SIZE];
MPI_Status c_status[LOCAL_ARRAY_SIZE];
static const char *thisfunc = "GPTL's mpi_waitall";
if (MPI_STATUS_SIZE != sizeof(MPI_Status)/sizeof(int)) {
/* Warning - */
fprintf (stderr, "%s ERROR: mpi_waitall expected sizeof MPI_Status\n"
"to be %d integers but it is %d. Rebuild GPTL after ensuring that the\n"
"correct value is found and set in macros.make\n", thisfunc, MPI_STATUS_SIZE,
(int) (sizeof(MPI_Status)/sizeof(int)) );
fprintf (stderr, "Aborting...\n");
(void) MPI_Abort (MPI_COMM_WORLD, -1);
}
/* fpmpi does mallocs. Instead used fixed array sizes and Abort if too many */
if ((int) *count > LOCAL_ARRAY_SIZE) {
fprintf (stderr, "mpi_waitall: %d is too many requests: recompile f_wrappers_pmpi.c "
"with LOCAL_ARRAY_SIZE > %d\n", (int)*count, LOCAL_ARRAY_SIZE);
fprintf (stderr, "Aborting...\n");
(void) MPI_Abort (MPI_COMM_WORLD, -1);
}
if ((int) *count > 0) {
for (i = 0; i < (int) *count; i++) {
lrequest[i] = MPI_Request_f2c (array_of_requests[i]);
}
*__ierr = MPI_Waitall ((int)*count, lrequest, c_status);
/* By checking for lrequest[i] = 0, we handle persistent requests */
for (i = 0; i < (int)*count; i++) {
array_of_requests[i] = MPI_Request_c2f (lrequest[i]);
}
} else {
*__ierr = MPI_Waitall ((int)*count, (MPI_Request *)0, c_status);
}
for (i = 0; i < (int)*count; i++)
MPI_Status_c2f (&(c_status[i]), &(array_of_statuses[i][0]));
}
EXPORT_MPI_API void FORTRAN_API mpi_request_free_( MPI_Fint *request, MPI_Fint *__ierr )
{
MPI_Request lrequest = MPI_Request_f2c(*request);
*__ierr = MPI_Request_free( &lrequest );
#ifdef OLD_POINTER
/*
We actually need to remove the pointer from the mapping if the ref
count is zero. We do that by checking to see if lrequest was set to
NULL.
*/
if (!lrequest) {
MPIR_RmPointer( *(int*)request );
*(int*)request = 0;
}
#endif
*request = MPI_Request_c2f(lrequest);
}
void ompi_irsend_f(char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *dest, MPI_Fint *tag, MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr)
{
int c_ierr;
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Request c_req;
MPI_Comm c_comm;
c_comm = MPI_Comm_f2c (*comm);
c_ierr = MPI_Irsend(OMPI_F2C_BOTTOM(buf), OMPI_FINT_2_INT(*count),
c_type, OMPI_FINT_2_INT(*dest),
OMPI_FINT_2_INT(*tag), c_comm,
&c_req);
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) {
*request = MPI_Request_c2f(c_req);
}
}
void mpi_test (MPI_Fint *request, MPI_Fint *flag, MPI_Fint *status,
MPI_Fint *__ierr )
{
int l_flag;
MPI_Status c_status;
MPI_Request lrequest = MPI_Request_f2c (*request);
*__ierr = MPI_Test (&lrequest, &l_flag, &c_status);
*request = MPI_Request_c2f (lrequest); /* In case request is changed */
/*
** The following setting ASSUMES that the C value for l_flag (0=false, non-zero=true)
** maps properly to a Fortran logical. Have tested gfortran, Cray, Intel, PGI,
** Pathscale and found this to be valid in all cases.
*/
*flag = (MPI_Fint) l_flag;
if (l_flag) {
MPI_Status_c2f (&c_status, status);
}
}
void ompi_imrecv_f(char *buf, MPI_Fint *count, MPI_Fint *datatype,
MPI_Fint *message, MPI_Fint *request, MPI_Fint *ierr)
{
int c_ierr;
MPI_Datatype c_type = MPI_Type_f2c(*datatype);
MPI_Request c_req;
MPI_Message c_message;
c_message = MPI_Message_f2c(*message);
c_ierr = OMPI_INT_2_FINT(MPI_Imrecv(OMPI_F2C_BOTTOM(buf), OMPI_FINT_2_INT(*count),
c_type, &c_message, &c_req));
if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
if (MPI_SUCCESS == c_ierr) {
*request = MPI_Request_c2f(c_req);
/* message is an INOUT, and may be updated by the recv */
*message = MPI_Message_c2f(c_message);
}
}
FRET FFNAME(FPARAMS)
{
#if HAVE_CREQ /* HAVE _CREQ */
MPI_Request creq;
#endif
#if HAVE_CSTAT /* HAVE _CSTAT */
MPI_Status cstat;
#endif
*info=CFNAME(F2CARGS);
#if HAVE_CSTAT /* HAVE _CSTAT */
if (*info==MPI_SUCCESS)
MPI_Status_c2f(&cstat, status);
#endif
#if HAVE_CREQ /* HAVE _CREQ */
if( *info==MPI_SUCCESS )
*req=MPI_Request_c2f(creq);
#endif
}
void mpi_startall_f(MPI_Fint *count, MPI_Fint *array_of_requests,
MPI_Fint *ierr)
{
MPI_Request *c_req;
int i;
c_req = malloc(*count * sizeof(MPI_Request));
if (NULL == c_req) {
*ierr = OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM,
FUNC_NAME);
return;
}
for(i = 0; i < *count; i++ ) {
c_req[i] = MPI_Request_f2c(array_of_requests[i]);
}
*ierr = OMPI_INT_2_FINT(MPI_Startall(OMPI_FINT_2_INT(*count), c_req));
for( i = 0; i < *count; i++ ) {
array_of_requests[i] = MPI_Request_c2f(c_req[i]);
}
free(c_req);
}
FORTRAN_API void FORT_CALL mpi_waitsome_( MPI_Fint *incount, MPI_Fint array_of_requests[], MPI_Fint *outcount, MPI_Fint array_of_indices[],
MPI_Fint array_of_statuses[][MPI_STATUS_SIZE], MPI_Fint *__ierr )
{
int i,j,found;
int loutcount;
int *l_indices = 0;
int local_l_indices[MPIR_USE_LOCAL_ARRAY];
MPI_Request *lrequest = 0;
MPI_Request local_lrequest[MPIR_USE_LOCAL_ARRAY];
MPI_Status * c_status = 0;
MPI_Status local_c_status[MPIR_USE_LOCAL_ARRAY];
if ((int)*incount > 0) {
if ((int)*incount > MPIR_USE_LOCAL_ARRAY) {
MPIR_FALLOC(lrequest,(MPI_Request*)MALLOC(sizeof(MPI_Request)* (int)*incount),
MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
"MPI_WAITSOME" );
MPIR_FALLOC(l_indices,(int*)MALLOC(sizeof(int)* (int)*incount),
MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
"MPI_WAITSOME" );
MPIR_FALLOC(c_status,(MPI_Status*)MALLOC(sizeof(MPI_Status)* (int)*incount),
MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
"MPI_WAITSOME" );
}
else {
lrequest = local_lrequest;
l_indices = local_l_indices;
c_status = local_c_status;
}
for (i=0; i<(int)*incount; i++)
lrequest[i] = MPI_Request_f2c( array_of_requests[i] );
*__ierr = MPI_Waitsome((int)*incount,lrequest,&loutcount,l_indices,
c_status);
/* By checking for lrequest[l_indices[i]] = 0,
we handle persistant requests */
for (i=0; i<(int)*incount; i++) {
if ( i < loutcount) {
if (l_indices[i] >= 0) {
array_of_requests[l_indices[i]] =
MPI_Request_c2f( lrequest[l_indices[i]] );
}
}
else {
found = 0;
j = 0;
while ( (!found) && (j<loutcount) ) {
if (l_indices[j++] == i)
found = 1;
}
if (!found)
array_of_requests[i] = MPI_Request_c2f( lrequest[i] );
}
}
}
else
*__ierr = MPI_Waitsome( (int)*incount, (MPI_Request *)0, &loutcount,
l_indices, c_status );
if (*__ierr != MPI_SUCCESS) return;
for (i=0; i<loutcount; i++) {
MPI_Status_c2f( &c_status[i], &(array_of_statuses[i][0]) );
if (l_indices[i] >= 0)
array_of_indices[i] = l_indices[i] + 1;
}
*outcount = (MPI_Fint)loutcount;
if ((int)*incount > MPIR_USE_LOCAL_ARRAY) {
FREE( l_indices );
FREE( lrequest );
FREE( c_status );
}
}
va_start(ap, unknown);
buf = unknown;
if (_numargs() == NUMPARAMS+1) {
buflen = va_arg(ap, int) /8; /* This is in bits. */
}
count = va_arg (ap, int *);
datatype = va_arg(ap, MPI_Datatype*);
source = va_arg(ap, int *);
tag = va_arg(ap, int *);
comm = va_arg(ap, MPI_Comm*);
request = va_arg(ap, MPI_Request *);
__ierr = va_arg(ap, int *);
*__ierr = MPI_Irecv(MPIR_F_PTR(buf),*count,*datatype,*source,*tag,*comm,
&lrequest);
*(int*)request = MPI_Request_c2f(lrequest);
}
#else
void mpi_irecv_( buf, count, datatype, source, tag, comm, request, __ierr )
void *buf;
int*count;
MPI_Datatype * datatype;
int*source;
int*tag;
MPI_Comm *comm;
MPI_Request *request;
int *__ierr;
{
MPI_Request lrequest;
_fcd temp;
EXPORT_MPI_API void FORTRAN_API mpi_start_( MPI_Fint *request, MPI_Fint *__ierr )
{
MPI_Request lrequest = MPI_Request_f2c(*request );
*__ierr = MPI_Start( &lrequest );
*request = MPI_Request_c2f(lrequest);
}
