/*@
MPI_Ibsend - Starts a nonblocking buffered send
Input Parameters:
+ buf - initial address of send buffer (choice)
. count - number of elements in send buffer (integer)
. datatype - datatype of each send buffer element (handle)
. dest - rank of destination (integer)
. tag - message tag (integer)
- comm - communicator (handle)
Output Parameters:
. request - communication request (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_TYPE
.N MPI_ERR_TAG
.N MPI_ERR_RANK
.N MPI_ERR_BUFFER
@*/
int MPI_Ibsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
MPI_Comm comm, MPI_Request * request)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_IBSEND);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER_FRONT(MPID_STATE_MPI_IBSEND);
/* Validate handle parameters needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters if error checking is enabled */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COUNT(count, mpi_errno);
/* Validate comm_ptr */
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
if (mpi_errno)
goto fn_fail;
/* If comm_ptr is not valid, it will be reset to null */
if (comm_ptr) {
MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno)
}
/* Validate datatype handle */
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* Validate datatype object */
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN) {
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
}
/* Validate buffer */
MPIR_ERRTEST_USERBUFFER(buf, count, datatype, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_Ibsend_impl(buf, count, datatype, dest, tag, comm_ptr, request);
if (mpi_errno)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_IBSEND);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
/* FIXME: should we be setting the request at all in the case of an error? */
*request = MPI_REQUEST_NULL;
#ifdef HAVE_ERROR_REPORTING
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_ibsend", "**mpi_ibsend %p %d %D %i %t %C %p", buf, count,
datatype, dest, tag, comm, request);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_Ssend - Blocking synchronous send
Input Parameters:
+ buf - initial address of send buffer (choice)
. count - number of elements in send buffer (nonnegative integer)
. datatype - datatype of each send buffer element (handle)
. dest - rank of destination (integer)
. tag - message tag (integer)
- comm - communicator (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_TYPE
.N MPI_ERR_TAG
.N MPI_ERR_RANK
@*/
int MPI_Ssend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
MPI_Comm comm)
{
static const char FCNAME[] = "MPI_Ssend";
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_Request * request_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_SSEND);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER_FRONT(MPID_STATE_MPI_SSEND);
/* Validate handle parameters needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr( comm, comm_ptr );
/* Validate parameters if error checking is enabled */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr( comm_ptr, mpi_errno, FALSE );
if (mpi_errno) goto fn_fail;
MPIR_ERRTEST_COUNT(count, mpi_errno);
MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
/* Validate datatype handle */
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* Validate datatype object */
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN)
{
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno) goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno) goto fn_fail;
}
/* Validate buffer */
MPIR_ERRTEST_USERBUFFER(buf,count,datatype,mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Ssend(buf, count, datatype, dest, tag, comm_ptr,
MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
if (request_ptr == NULL)
{
goto fn_exit;
}
/* If a request was returned, then we need to block until the request
is complete */
mpi_errno = MPIR_Progress_wait_request(request_ptr);
if (mpi_errno) MPIR_ERR_POP(mpi_errno);
mpi_errno = request_ptr->status.MPI_ERROR;
MPIR_Request_free(request_ptr);
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_SSEND);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_ssend",
"**mpi_ssend %p %d %D %i %t %C", buf, count, datatype, dest, tag, comm);
}
# endif
mpi_errno = MPIR_Err_return_comm( comm_ptr, FCNAME, mpi_errno );
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_Recv_init - Create a persistent request for a receive
Input Parameters:
+ buf - initial address of receive buffer (choice)
. count - number of elements received (integer)
. datatype - type of each element (handle)
. source - rank of source or 'MPI_ANY_SOURCE' (integer)
. tag - message tag or 'MPI_ANY_TAG' (integer)
- comm - communicator (handle)
Output Parameters:
. request - communication request (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COUNT
.N MPI_ERR_TYPE
.N MPI_ERR_RANK
.N MPI_ERR_TAG
.N MPI_ERR_COMM
.N MPI_ERR_EXHAUSTED
.seealso: MPI_Start, MPI_Startall, MPI_Request_free
@*/
int MPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int source,
int tag, MPI_Comm comm, MPI_Request * request)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_Request *request_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_RECV_INIT);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER(MPID_STATE_MPI_RECV_INIT);
/* Validate handle parameters needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters if error checking is enabled */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_COUNT(count, mpi_errno);
MPIR_ERRTEST_RECV_RANK(comm_ptr, source, mpi_errno);
MPIR_ERRTEST_RECV_TAG(tag, mpi_errno);
MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
/* Validate datatype handle */
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* Validate datatype object */
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN) {
MPIR_Datatype *datatype_ptr = NULL;
MPIR_Datatype_get_ptr(datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
MPIR_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
}
/* Validate buffer */
MPIR_ERRTEST_USERBUFFER(buf, count, datatype, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Recv_init(buf, count, datatype, source, tag, comm_ptr,
MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* return the handle of the request to the user */
MPIR_OBJ_PUBLISH_HANDLE(*request, request_ptr->handle);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_RECV_INIT);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_recv_init", "**mpi_recv_init %p %d %D %i %t %C %p", buf,
count, datatype, source, tag, comm, request);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_Isend - Begins a nonblocking send
Input Parameters:
+ buf - initial address of send buffer (choice)
. count - number of elements in send buffer (integer)
. datatype - datatype of each send buffer element (handle)
. dest - rank of destination (integer)
. tag - message tag (integer)
- comm - communicator (handle)
Output Parameters:
. request - communication request (handle)
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_COUNT
.N MPI_ERR_TYPE
.N MPI_ERR_TAG
.N MPI_ERR_RANK
.N MPI_ERR_EXHAUSTED
@*/
int MPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag,
MPI_Comm comm, MPI_Request *request)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_Request *request_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_ISEND);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER_FRONT(MPID_STATE_MPI_ISEND);
/* Validate handle parameters needing to be converted */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr( comm, comm_ptr );
/* Validate parameters if error checking is enabled */
# ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr( comm_ptr, mpi_errno, FALSE );
if (mpi_errno) goto fn_fail;
MPIR_ERRTEST_COUNT(count, mpi_errno);
MPIR_ERRTEST_SEND_RANK(comm_ptr, dest, mpi_errno);
MPIR_ERRTEST_SEND_TAG(tag, mpi_errno);
MPIR_ERRTEST_ARGNULL(request,"request",mpi_errno);
/* Validate datatype handle */
MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
/* Validate datatype object */
if (HANDLE_GET_KIND(datatype) != HANDLE_KIND_BUILTIN)
{
MPIR_Datatype *datatype_ptr = NULL;
MPID_Datatype_get_ptr(datatype, datatype_ptr);
MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
if (mpi_errno) goto fn_fail;
MPID_Datatype_committed_ptr(datatype_ptr, mpi_errno);
if (mpi_errno) goto fn_fail;
}
/* Validate buffer */
MPIR_ERRTEST_USERBUFFER(buf,count,datatype,mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
# endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Isend(buf, count, datatype, dest, tag, comm_ptr,
MPIR_CONTEXT_INTRA_PT2PT, &request_ptr);
if (mpi_errno != MPI_SUCCESS) goto fn_fail;
MPII_SENDQ_REMEMBER(request_ptr,dest,tag,comm_ptr->context_id);
/* return the handle of the request to the user */
/* MPIU_OBJ_HANDLE_PUBLISH is unnecessary for isend, lower-level access is
* responsible for its own consistency, while upper-level field access is
* controlled by the completion counter */
*request = request_ptr->handle;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_ISEND);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
# ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(
mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_isend",
"**mpi_isend %p %d %D %i %t %C %p", buf, count, datatype, dest, tag, comm, request);
}
# endif
mpi_errno = MPIR_Err_return_comm( comm_ptr, FCNAME, mpi_errno );
goto fn_exit;
/* --END ERROR HANDLING-- */
}
