83 строки
2.0 KiB
C
83 строки
2.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; -*- */
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/*
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* $Id: iotest.c,v 1.8 2002/10/24 15:54:40 gropp Exp $
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*
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* Copyright (C) 1997 University of Chicago.
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* See COPYRIGHT notice in top-level directory.
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*/
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#include "mpioimpl.h"
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#ifdef HAVE_WEAK_SYMBOLS
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPIO_Test = PMPIO_Test
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPIO_Test MPIO_Test
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPIO_Test as PMPIO_Test
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/* end of weak pragmas */
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#endif
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/* Include mapping from MPI->PMPI */
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#define MPIO_BUILD_PROFILING
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#include "mpioprof.h"
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#endif
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/* status object not filled currently */
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/*@
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MPIO_Test - Test the completion of a nonblocking read or write
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Input Parameters:
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. request - request object (handle)
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Output Parameters:
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. flag - true if operation completed (logical)
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. status - status object (Status)
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.N fortran
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@*/
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int MPIO_Test(MPIO_Request *request, int *flag, MPI_Status *status)
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{
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int error_code;
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#ifndef PRINT_ERR_MSG
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static char myname[] = "MPIO_TEST";
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#endif
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#ifdef MPI_hpux
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int fl_xmpi;
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if (*request != MPIO_REQUEST_NULL) {
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HPMP_IO_WSTART(fl_xmpi, BLKMPIOTEST, TRDTSYSTEM, (*request)->fd);
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}
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#endif /* MPI_hpux */
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if (*request == MPIO_REQUEST_NULL) return MPI_SUCCESS;
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if ((*request < (MPIO_Request) 0) ||
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((*request)->cookie != ADIOI_REQ_COOKIE)) {
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#ifdef PRINT_ERR_MSG
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FPRINTF(stderr, "MPIO_Test: Invalid request object\n");
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MPI_Abort(MPI_COMM_WORLD, 1);
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#else
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error_code = MPIR_Err_setmsg(MPI_ERR_REQUEST, MPIR_ERR_REQUEST_NULL,
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myname, (char *) 0, (char *) 0);
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return ADIOI_Error(MPI_FILE_NULL, error_code, myname);
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#endif
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}
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switch ((*request)->optype) {
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case ADIOI_READ:
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*flag = ADIO_ReadDone(request, status, &error_code);
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break;
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case ADIOI_WRITE:
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*flag = ADIO_WriteDone(request, status, &error_code);
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break;
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}
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#ifdef MPI_hpux
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HPMP_IO_WEND(fl_xmpi);
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#endif /* MPI_hpux */
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return error_code;
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}
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