/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2001 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
/* -- Begin Profiling Symbol Block for routine MPI_Test */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Test = PMPI_Test
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Test MPI_Test
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Test as PMPI_Test
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
__attribute__ ((weak, alias("PMPI_Test")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Test
#define MPI_Test PMPI_Test
#undef FUNCNAME
#define FUNCNAME MPIR_Test_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Test_impl(MPIR_Request * request_ptr, int *flag, MPI_Status * status)
{
int mpi_errno = MPI_SUCCESS;
mpi_errno = MPID_Progress_test();
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
if (MPIR_Request_has_poll_fn(request_ptr)) {
mpi_errno = MPIR_Grequest_poll(request_ptr, status);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
}
if (MPIR_Request_is_complete(request_ptr))
*flag = TRUE;
else
*flag = FALSE;
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
#undef FUNCNAME
#define FUNCNAME MPIR_Test
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Test(MPI_Request * request, int *flag, MPI_Status * status)
{
int mpi_errno = MPI_SUCCESS;
int active_flag;
MPIR_Request *request_ptr = NULL;
/* If this is a null request handle, then return an empty status */
if (*request == MPI_REQUEST_NULL) {
MPIR_Status_set_empty(status);
*flag = TRUE;
goto fn_exit;
}
MPIR_Request_get_ptr(*request, request_ptr);
MPIR_Assert(request_ptr != NULL);
mpi_errno = MPID_Test(request_ptr, flag, status);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
if (*flag) {
mpi_errno = MPIR_Request_completion_processing(request_ptr, status, &active_flag);
if (!MPIR_Request_is_persistent(request_ptr)) {
MPIR_Request_free(request_ptr);
*request = MPI_REQUEST_NULL;
}
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
/* Fall through to the exit */
} else if (unlikely(MPIR_Request_is_anysrc_mismatched(request_ptr))) {
MPIR_ERR_SET(mpi_errno, MPIX_ERR_PROC_FAILED_PENDING, "**failure_pending");
if (status != MPI_STATUS_IGNORE)
status->MPI_ERROR = mpi_errno;
goto fn_fail;
}
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Test
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
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-- */
}