File: ioreq_c2f.c

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openmpi 5.0.8-3
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/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include "mpioimpl.h"

#ifdef HAVE_WEAK_SYMBOLS

#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPIO_Request_c2f = PMPIO_Request_c2f
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPIO_Request_c2f MPIO_Request_c2f
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPIO_Request_c2f as PMPIO_Request_c2f
/* end of weak pragmas */
#endif

/* Include mapping from MPI->PMPI */
#define MPIO_BUILD_PROFILING
#include "mpioprof.h"
#endif
#include "adio_extern.h"

/*@
    MPIO_Request_c2f - Translates a C I/O-request handle to a
                       Fortran I/O-request handle

Input Parameters:
. request - C I/O-request handle (handle)

Return Value:
  Fortran I/O-request handle (integer)
@*/
#ifdef HAVE_MPI_GREQUEST
MPI_Fint MPIO_Request_c2f(MPIO_Request request)
{
    return ((MPI_Fint) request);
}
#else

MPI_Fint MPIO_Request_c2f(MPIO_Request request)
{
#ifndef INT_LT_POINTER
    return (MPI_Fint) request;
#else
    int i;

    /* We can make this test outside of the GLOBAL mutex because it does
     * not access any shared data */
    if ((request <= (MPIO_Request) 0) || (request->cookie != ADIOI_REQ_COOKIE)) {
        return (MPI_Fint) 0;
    }

    ROMIO_THREAD_CS_ENTER();
    if (!ADIOI_Reqtable) {
        ADIOI_Reqtable_max = 1024;
        ADIOI_Reqtable = (MPIO_Request *)
            ADIOI_Malloc(ADIOI_Reqtable_max * sizeof(MPIO_Request));
        ADIOI_Reqtable_ptr = 0; /* 0 can't be used though, because
                                 * MPIO_REQUEST_NULL=0 */
        for (i = 0; i < ADIOI_Reqtable_max; i++)
            ADIOI_Reqtable[i] = MPIO_REQUEST_NULL;
    }
    if (ADIOI_Reqtable_ptr == ADIOI_Reqtable_max - 1) {
        ADIOI_Reqtable = (MPIO_Request *) ADIOI_Realloc(ADIOI_Reqtable,
                                                        (ADIOI_Reqtable_max +
                                                         1024) * sizeof(MPIO_Request));
        for (i = ADIOI_Reqtable_max; i < ADIOI_Reqtable_max + 1024; i++)
            ADIOI_Reqtable[i] = MPIO_REQUEST_NULL;
        ADIOI_Reqtable_max += 1024;
    }
    ADIOI_Reqtable_ptr++;
    ADIOI_Reqtable[ADIOI_Reqtable_ptr] = request;

    ROMIO_THREAD_CS_EXIT();
    return (MPI_Fint) ADIOI_Reqtable_ptr;
#endif
}
#endif