/* -*- 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_Win_test */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Win_test = PMPI_Win_test
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Win_test MPI_Win_test
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Win_test as PMPI_Win_test
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Win_test(MPI_Win win, int *flag) __attribute__ ((weak, alias("PMPI_Win_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_Win_test
#define MPI_Win_test PMPI_Win_test
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Win_test
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Win_test - Test whether an RMA exposure epoch has completed
Input Parameters:
. win - window object (handle)
Output Parameters:
. flag - success flag (logical)
Notes:
This is the nonblocking version of 'MPI_Win_wait'.
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_WIN
.N MPI_ERR_OTHER
.N MPI_ERR_ARG
.seealso: MPI_Win_wait, MPI_Win_post
@*/
int MPI_Win_test(MPI_Win win, int *flag)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Win *win_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_WIN_TEST);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_WIN_TEST);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_WIN(win, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Win_get_ptr(win, win_ptr);
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate win_ptr */
MPIR_Win_valid_ptr(win_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
/* If win_ptr is not valid, it will be reset to null */
MPIR_ERRTEST_ARGNULL(flag, "flag", mpi_errno);
/* TODO: Ensure that window is in a PSCW active mode epoch */
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Win_test(win_ptr, flag);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_WIN_TEST);
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_win_test", "**mpi_win_test %W %p", win, flag);
}
#endif
mpi_errno = MPIR_Err_return_win(win_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}