/*@
MPI_Testsome - Tests for some given requests to complete
Input Parameters:
+ incount - length of array_of_requests (integer)
- array_of_requests - array of requests (array of handles)
Output Parameters:
+ outcount - number of completed requests (integer)
. array_of_indices - array of indices of operations that
completed (array of integers)
- array_of_statuses - array of status objects for
operations that completed (array of Status). May be 'MPI_STATUSES_IGNORE'.
Notes:
While it is possible to list a request handle more than once in the
'array_of_requests', such an action is considered erroneous and may cause the
program to unexecpectedly terminate or produce incorrect results.
.N ThreadSafe
.N waitstatus
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_IN_STATUS
@*/
int MPI_Testsome(int incount, MPI_Request array_of_requests[], int *outcount,
int array_of_indices[], MPI_Status array_of_statuses[])
{
MPIR_Request *request_ptr_array[MPIR_REQUEST_PTR_ARRAY_SIZE];
MPIR_Request **request_ptrs = request_ptr_array;
MPI_Status *status_ptr;
int i;
int n_inactive;
int proc_failure = FALSE;
int rc = MPI_SUCCESS;
int mpi_errno = MPI_SUCCESS;
MPIR_CHKLMEM_DECL(1);
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TESTSOME);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(VCI_GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_REQUEST_ENTER(MPID_STATE_MPI_TESTSOME);
/* Check the arguments */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COUNT(incount, mpi_errno);
if (incount != 0) {
MPIR_ERRTEST_ARGNULL(array_of_requests, "array_of_requests", mpi_errno);
MPIR_ERRTEST_ARGNULL(array_of_indices, "array_of_indices", mpi_errno);
/* NOTE: MPI_STATUSES_IGNORE != NULL */
MPIR_ERRTEST_ARGNULL(array_of_statuses, "array_of_statuses", mpi_errno);
}
MPIR_ERRTEST_ARGNULL(outcount, "outcount", mpi_errno);
for (i = 0; i < incount; i++) {
MPIR_ERRTEST_ARRAYREQUEST_OR_NULL(array_of_requests[i], i, mpi_errno);
}
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
*outcount = 0;
/* Convert MPI request handles to a request object pointers */
if (incount > MPIR_REQUEST_PTR_ARRAY_SIZE) {
MPIR_CHKLMEM_MALLOC_ORJUMP(request_ptrs, MPIR_Request **, incount * sizeof(MPIR_Request *),
mpi_errno, "request pointers", MPL_MEM_OBJECT);
}
/*@
MPI_Testany - Tests for completion of any previdously initiated
requests
Input Parameters:
+ count - list length (integer)
- array_of_requests - array of requests (array of handles)
Output Parameters:
+ indx - index of operation that completed, or 'MPI_UNDEFINED' if none
completed (integer)
. flag - true if one of the operations is complete (logical)
- status - status object (Status). May be 'MPI_STATUS_IGNORE'.
Notes:
While it is possible to list a request handle more than once in the
'array_of_requests', such an action is considered erroneous and may cause the
program to unexecpectedly terminate or produce incorrect results.
.N ThreadSafe
.N waitstatus
.N Fortran
.N Errors
.N MPI_SUCCESS
@*/
int MPI_Testany(int count, MPI_Request array_of_requests[], int *indx,
int *flag, MPI_Status * status)
{
MPIR_Request *request_ptr_array[MPIR_REQUEST_PTR_ARRAY_SIZE];
MPIR_Request **request_ptrs = request_ptr_array;
int i;
int n_inactive;
int last_disabled_anysource = -1;
int first_nonnull = count;
int mpi_errno = MPI_SUCCESS;
MPIR_CHKLMEM_DECL(1);
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TESTANY);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(VCI_GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_REQUEST_ENTER(MPID_STATE_MPI_TESTANY);
/* Check the arguments */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COUNT(count, mpi_errno);
if (count != 0) {
MPIR_ERRTEST_ARGNULL(array_of_requests, "array_of_requests", mpi_errno);
/* NOTE: MPI_STATUS_IGNORE != NULL */
MPIR_ERRTEST_ARGNULL(status, "status", mpi_errno);
}
MPIR_ERRTEST_ARGNULL(indx, "indx", mpi_errno);
MPIR_ERRTEST_ARGNULL(flag, "flag", mpi_errno);
for (i = 0; i < count; i++) {
MPIR_ERRTEST_ARRAYREQUEST_OR_NULL(array_of_requests[i], i, mpi_errno);
}
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
/* Convert MPI request handles to a request object pointers */
if (count > MPIR_REQUEST_PTR_ARRAY_SIZE) {
MPIR_CHKLMEM_MALLOC_ORJUMP(request_ptrs, MPIR_Request **, count * sizeof(MPIR_Request *),
mpi_errno, "request pointers", MPL_MEM_OBJECT);
}
/*@
MPI_Start - Initiates a communication with a persistent request handle
Input Parameters:
. request - communication request (handle)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_REQUEST
@*/
int MPI_Start(MPI_Request * request)
{
MPIR_Request *request_ptr = NULL;
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_START);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_REQUEST_ENTER(MPID_STATE_MPI_START);
/* Validate handle parameters needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
MPIR_ERRTEST_REQUEST(*request, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI request handle to a request object pointer */
MPIR_Request_get_ptr(*request, request_ptr);
/* Validate object pointers if error checking is enabled */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Request_valid_ptr(request_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_PERSISTENT(request_ptr, mpi_errno);
MPIR_ERRTEST_PERSISTENT_ACTIVE(request_ptr, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Startall(1, &request_ptr);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_REQUEST_EXIT(MPID_STATE_MPI_START);
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_start", "**mpi_start %p", request);
}
#endif
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
/*@
MPI_Test - Tests for the completion of a request
Input Parameters:
. request - MPI request (handle)
Output Parameters:
+ flag - true if operation completed (logical)
- status - status object (Status). May be 'MPI_STATUS_IGNORE'.
.N ThreadSafe
.N waitstatus
.N Fortran
.N FortranStatus
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_REQUEST
.N MPI_ERR_ARG
@*/
int MPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Request *request_ptr = NULL;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TEST);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(VNI_GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_REQUEST_ENTER(MPID_STATE_MPI_TEST);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_ARGNULL(request, "request", mpi_errno);
MPIR_ERRTEST_REQUEST_OR_NULL(*request, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
MPIR_Request_get_ptr(*request, request_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
if (*request != MPI_REQUEST_NULL) {
/* Validate request_ptr */
MPIR_Request_valid_ptr(request_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
}
MPIR_ERRTEST_ARGNULL(flag, "flag", mpi_errno);
/* NOTE: MPI_STATUS_IGNORE != NULL */
MPIR_ERRTEST_ARGNULL(status, "status", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
/* MPIR_Test may free request_ptr, so make a copy of comm_ptr before calling MPIR_Test.
* comm_ptr will be used later at fn_fail when MPIR_Test returns an error. */
if (request_ptr)
comm_ptr = request_ptr->comm;
mpi_errno = MPIR_Test(request, flag, status);
if (mpi_errno)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_REQUEST_EXIT(MPID_STATE_MPI_TEST);
MPID_THREAD_CS_EXIT(VNI_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_test", "**mpi_test %p %p %p", request, flag, status);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
