/* -*- 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_Probe */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Probe = PMPI_Probe
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Probe MPI_Probe
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Probe as PMPI_Probe
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status * status)
__attribute__ ((weak, alias("PMPI_Probe")));
#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_Probe
#define MPI_Probe PMPI_Probe
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Probe
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Probe - Blocking test for a message
Input Parameters:
+ source - source rank, or 'MPI_ANY_SOURCE' (integer)
. tag - tag value or 'MPI_ANY_TAG' (integer)
- comm - communicator (handle)
Output Parameters:
. status - status object (Status)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
.N MPI_ERR_TAG
.N MPI_ERR_RANK
@*/
int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status * status)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_PROBE);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(VNI_GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_PT2PT_ENTER(MPID_STATE_MPI_PROBE);
/* 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;
{
/* Validate communicator */
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, FALSE);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_RECV_TAG(tag, mpi_errno);
if (comm_ptr) {
MPIR_ERRTEST_RECV_RANK(comm_ptr, source, mpi_errno);
}
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPID_Probe(source, tag, comm_ptr, MPIR_CONTEXT_INTRA_PT2PT, status);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_PT2PT_EXIT(MPID_STATE_MPI_PROBE);
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_probe", "**mpi_probe %i %t %C %p", source, tag, comm,
status);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}