Home Research Papers Posters Manuals Talks Download People Help Internal

libs/ck-libs/ampi/romio/adio/ad_xfs/ad_xfs_done.c

Go to the documentation of this file.

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/* 
 *   $Id$    
 *
 *   Copyright (C) 1997 University of Chicago. 
 *   See COPYRIGHT notice in top-level directory.
 */

#include "ad_xfs.h"

int ADIOI_XFS_ReadDone(ADIO_Request *request, ADIO_Status *status, int *error_code)  
{
    int err, done=0;
#ifndef PRINT_ERR_MSG
    static char myname[] = "ADIOI_XFS_READDONE";
#endif

    if (*request == ADIO_REQUEST_NULL) {
        *error_code = MPI_SUCCESS;
        return 1;
    }

    if ((*request)->queued) {
        errno = aio_error64((const aiocb64_t *) (*request)->handle);
        if (errno == EINPROGRESS) {
            done = 0;
            *error_code = MPI_SUCCESS;
        }
        else {
            err = aio_return64((aiocb64_t *) (*request)->handle); 
            (*request)->nbytes = err;
            errno = aio_error64((const aiocb64_t *) (*request)->handle);

            done = 1;
#ifdef PRINT_ERR_MSG
            *error_code = (err == -1) ? MPI_ERR_UNKNOWN : MPI_SUCCESS;
#else
            if (err == -1) {
                *error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
                              myname, "I/O Error", "%s", strerror(errno));
                ADIOI_Error((*request)->fd, *error_code, myname);           
            }
            else *error_code = MPI_SUCCESS;
#endif
        }
    }
    else {
        done = 1;
        *error_code = MPI_SUCCESS;
    }
#ifdef HAVE_STATUS_SET_BYTES
    if (done && ((*request)->nbytes != -1))
        MPIR_Status_set_bytes(status, (*request)->datatype, (*request)->nbytes);
#endif

    if (done) {
        /* if request is still queued in the system, it is also there
           on ADIOI_Async_list. Delete it from there. */
        if ((*request)->queued) ADIOI_Del_req_from_list(request);

        (*request)->fd->async_count--;
        if ((*request)->handle) ADIOI_Free((*request)->handle);
        ADIOI_Free_request((ADIOI_Req_node *) (*request));
        *request = ADIO_REQUEST_NULL;
        /* status to be filled */
    }
    return done;
}


int ADIOI_XFS_WriteDone(ADIO_Request *request, ADIO_Status *status, int *error_code)  
{
    return ADIOI_XFS_ReadDone(request, status, error_code);
} 

---