82 строки
1.6 KiB
C
82 строки
1.6 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
|
|
/*
|
|
*
|
|
* Copyright (C) 2003 University of Chicago.
|
|
* See COPYRIGHT notice in top-level directory.
|
|
*/
|
|
|
|
#include "mpioimpl.h"
|
|
|
|
#ifdef HAVE_WEAK_SYMBOLS
|
|
|
|
#if defined(HAVE_PRAGMA_WEAK)
|
|
#pragma weak MPIO_Waitsome = PMPIO_Waitsome
|
|
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
|
|
#pragma _HP_SECONDARY_DEF PMPIO_Waitsome MPIO_Waitsome
|
|
#elif defined(HAVE_PRAGMA_CRI_DUP)
|
|
#pragma _CRI duplicate MPIO_Waitsome as PMPIO_Waitsome
|
|
/* end of weak pragmas */
|
|
#endif
|
|
|
|
/* Include mapping from MPI->PMPI */
|
|
#define MPIO_BUILD_PROFILING
|
|
#include "mpioprof.h"
|
|
#endif
|
|
|
|
/*
|
|
This is a temporary function until we switch to using MPI-2's generalized
|
|
requests.
|
|
*/
|
|
|
|
int MPIO_Waitsome(int count, MPIO_Request requests[], int *outcount,
|
|
int indices[], MPI_Status *statuses)
|
|
{
|
|
int i, flag, err;
|
|
MPID_THREADPRIV_DECL;
|
|
|
|
ROMIO_THREAD_CS_ENTER();
|
|
|
|
if (count == 1) {
|
|
err = MPIO_Wait( requests, statuses );
|
|
if (!err) {
|
|
*outcount = 1;
|
|
indices[0] = 0;
|
|
}
|
|
goto fn_exit;
|
|
}
|
|
|
|
/* Check for no active requests */
|
|
for (i=0; i<count; i++) {
|
|
if (requests[i] != MPIO_REQUEST_NULL) {
|
|
break;
|
|
}
|
|
}
|
|
if (i == count) {
|
|
*outcount = MPI_UNDEFINED;
|
|
err = MPI_SUCCESS;
|
|
goto fn_exit;
|
|
}
|
|
|
|
err = MPI_SUCCESS;
|
|
*outcount = 0;
|
|
do {
|
|
for (i=0; i<count; i++) {
|
|
if (requests[i] != MPIO_REQUEST_NULL) {
|
|
err = MPIO_Test( &requests[i], &flag, statuses );
|
|
if (flag) {
|
|
if (!err) {
|
|
indices[0] = i;
|
|
indices++;
|
|
statuses++;
|
|
*outcount = *outcount + 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} while (*outcount == 0);
|
|
|
|
fn_exit:
|
|
ROMIO_THREAD_CS_EXIT();
|
|
return err;
|
|
}
|