Example #1
0
void ADIOI_XFS_IreadContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    int  len, typesize, aio_errno = 0;
    static char myname[] = "ADIOI_XFS_IREADCONTIG";

    (*request) = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_READ;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

    if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
    aio_errno = ADIOI_XFS_aio(fd, buf, len, offset, 0, &((*request)->handle));
    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;

    (*request)->queued = 1;
    ADIOI_Add_req_to_list(request);

    fd->fp_sys_posn = -1;

    /* --BEGIN ERROR HANDLING-- */
    if (aio_errno != 0) {
	MPIO_ERR_CREATE_CODE_ERRNO(myname, aio_errno, error_code);
	return;
    }
    /* --END ERROR HANDLING-- */

    *error_code = MPI_SUCCESS;
    fd->async_count++;
}
Example #2
0
void ADIOI_SCI_IreadContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    int len, typesize;
#ifdef NO_AIO
    ADIO_Status status;
#else
    int err=-1;
#ifndef PRINT_ERR_MSG
    static char myname[] = "ADIOI_SCI_IREADCONTIG";
#endif
#endif

    (*request) = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_READ;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

#ifdef NO_AIO
    /* HP, FreeBSD, Linux */
    /* no support for nonblocking I/O. Use blocking I/O. */

    ADIOI_SCI_ReadContig(fd, buf, len, MPI_BYTE, file_ptr_type, offset, 
			 &status, error_code);  
    (*request)->queued = 0;
#ifdef HAVE_STATUS_SET_BYTES
    if (*error_code == MPI_SUCCESS) {
	MPI_Get_elements(&status, MPI_BYTE, &len);
	(*request)->nbytes = len;
    }
#endif

#else
    if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
    err = ADIOI_SCI_aio(fd, buf, len, offset, 0, &((*request)->handle));
    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;

    (*request)->queued = 1;
    ADIOI_Add_req_to_list(request);

#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(fd, *error_code, myname);	    
    }
    else *error_code = MPI_SUCCESS;
#endif
#endif

    fd->fp_sys_posn = -1;   /* set it to null. */
    fd->async_count++;
}
Example #3
0
void ADIOI_NTFS_IwriteContig(ADIO_File fd, void *buf, int count, 
			     MPI_Datatype datatype,int file_ptr_type,
			     ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    ADIO_Status status;
    int err=-1;
    int len,typesize;
    DWORD error;
#ifndef PRINT_ERR_MSG
    static char myname[] = "ADIOI_NTFS_IWRITECONTIG";
#endif
    
    *request = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_WRITE;
    (*request)->fd = fd;
    (*request)->datatype = datatype;
    
    MPI_Type_size(datatype, &typesize);
    len = count * typesize;
    (*request)->nbytes = (*request)->totransfer = len;
    (*request)->buf = buf;
    
    if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
    (*request)->offset = offset;
    
    
    err = ADIOI_NTFS_aio(fd, 1, *request,0,&error);
    
    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;
    
    
    if(error == ERROR_IO_PENDING) {
	(*request)->queued = 1;
	ADIOI_Add_req_to_list(request);
    } else {
	(*request)->queued = 0;
    }
    
#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", "I/O Error: %s", ad_ntfs_error(error));
	ADIOI_Error(fd, *error_code, myname);	    
    }
    else *error_code = MPI_SUCCESS;
#endif
    fd->fp_sys_posn = -1;   /* set it to null. */
    fd->async_count++;
}
Example #4
0
void ADIOI_NTFS_IwriteContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    int len, typesize;
    int err=FALSE;
#ifndef PRINT_ERR_MSG
    static char myname[] = "ADIOI_NTFS_IWRITECONTIG";
#endif

    *request = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_WRITE;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

    if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
    err = ADIOI_NTFS_aio(fd, buf, len, offset, 1, &((*request)->handle));
    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;

    (*request)->queued = 1;
    ADIOI_Add_req_to_list(request);

#ifdef PRINT_ERR_MSG
    *error_code = (err == FALSE) ? MPI_ERR_UNKNOWN : MPI_SUCCESS;
#else
    if (err == FALSE) {
	*error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
			      myname, "I/O Error", "%s", strerror(errno));
	ADIOI_Error(fd, *error_code, myname);	    
    }
    else *error_code = MPI_SUCCESS;
#endif

    fd->fp_sys_posn = -1;   /* set it to null. */
    fd->async_count++;
}
Example #5
0
void ADIOI_SVM_IreadContig(ADIO_File fd, void *buf, int count, MPI_Datatype datatype, 
			   int file_ptr_type, ADIO_Offset offset, ADIO_Request *request, 
			   int *error_code)  
{
    ADIO_Status status;
    int err = -1;
    int len, datatype_size;

    MPI_Type_size(datatype, &datatype_size);
    len = datatype_size * count;

    (*request) = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_READ;
    (*request)->fd = fd;
    (*request)->next = ADIO_REQUEST_NULL;
    
#if 1
    /* bugs in ADIOI_SVM_aio */
    /* => use blocking version */
    
    ADIOI_SVM_ReadContig(fd, buf, count, datatype, file_ptr_type, offset, &status,
			 error_code);
    (*request)->queued = 0;

#else
    /* MPI isn't thread-safe, but nonblocking versions use MPI-Routines... */
    if ((fd->iomode == M_ASYNC) || (fd->iomode == M_UNIX)) {
        if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
	
        err = ADIOI_SVM_aio(fd, buf, len, offset, 0, 
			    &((*request)->handle));

        if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;
    }

    (*request)->queued = 1;
    ADIOI_Add_req_to_list(request);

    /* added by RAY */
    if (err <= 0) {
	/* => error */   
	printf("ADIOI_SVM_IwriteContig(): Error in aio.\n");
    }
    else {
	/* => succesful */
	/* create new entry in thread-list */
	ADIOI_SVM_STRUCT_Create_thread((pthread_t *) &err,request);
	/*printf("Created new thread: %x\n",err);*/
    }
    /* end RAY */


    *error_code = (err == -1) ? MPI_ERR_UNKNOWN : MPI_SUCCESS;

    /* added by RAY - 03.01.2000 */
#endif

    fd->fp_sys_posn = -1;   /* set it to null. */
    
    fd->async_count++;

    /* status info. must be linked to the request structure, so that it
       can be accessed later from a wait */
}
void ADIOI_PFS_IwriteContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    long *id_sys;
    ADIO_Offset off;
    int len, typesize, err;
    static char myname[] = "ADIOI_PFS_IWRITECONTIG";

    *request = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_WRITE;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

    id_sys = (long *) ADIOI_Malloc(sizeof(long));
    (*request)->handle = (void *) id_sys;

    off = (file_ptr_type == ADIO_INDIVIDUAL) ? fd->fp_ind : offset;

    lseek(fd->fd_sys, off, SEEK_SET);
    *id_sys = _iwrite(fd->fd_sys, buf, len);

    if ((*id_sys == -1) && (errno == EQNOMID)) {
     /* the man pages say EMREQUEST, but in reality errno is set to EQNOMID! */

        /* exceeded the max. no. of outstanding requests. */

        /* complete all previous async. requests */
        ADIOI_Complete_async(error_code);
	if (error_code != MPI_SUCCESS) return;

        /* try again */
	*id_sys = _iwrite(fd->fd_sys, buf, len);

        if ((*id_sys == -1) && (errno == EQNOMID)) {
	    *error_code = MPIO_Err_create_code(MPI_SUCCESS,
					       MPIR_ERR_RECOVERABLE, myname,
					       __LINE__, MPI_ERR_IO, "**io",
					       "**io %s", strerror(errno));
	    return;
        }
    }
    else if (*id_sys == -1) {
	*error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
					   myname, __LINE__, MPI_ERR_IO,
					   "**io",
					   "**io %s", strerror(errno));
	return;
    }

    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len; 

    (*request)->queued = 1;
    (*request)->nbytes = len;
    ADIOI_Add_req_to_list(request);
    fd->async_count++;

    fd->fp_sys_posn = -1;   /* set it to null. */

    if (*id_sys == -1) {
	*error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
					   myname, __LINE__, MPI_ERR_IO,
					   "**io",
					   "**io %s", strerror(errno));
    }
    else *error_code = MPI_SUCCESS;
}
Example #7
0
void ADIOI_PFS_IwriteContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    long *id_sys;
    ADIO_Offset off;
    int len, typesize, err;
#ifndef PRINT_ERR_MSG
    static char myname[] = "ADIOI_PFS_IWRITECONTIG";
#endif

    *request = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_WRITE;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

    id_sys = (long *) ADIOI_Malloc(sizeof(long));
    (*request)->handle = (void *) id_sys;

    off = (file_ptr_type == ADIO_INDIVIDUAL) ? fd->fp_ind : offset;

    lseek(fd->fd_sys, off, SEEK_SET);
    *id_sys = _iwrite(fd->fd_sys, buf, len);

    if ((*id_sys == -1) && (errno == EQNOMID)) {
     /* the man pages say EMREQUEST, but in reality errno is set to EQNOMID! */

        /* exceeded the max. no. of outstanding requests. */

        /* complete all previous async. requests */
        ADIOI_Complete_async(&err);

        /* try again */
	*id_sys = _iwrite(fd->fd_sys, buf, len);

        if ((*id_sys == -1) && (errno == EQNOMID)) {
#ifdef PRINT_ERR_MSG
            FPRINTF(stderr, "Error in asynchronous I/O\n");
            MPI_Abort(MPI_COMM_WORLD, 1);
#else
	    *error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
			      myname, "I/O Error", "%s", strerror(errno));
	    ADIOI_Error(fd, *error_code, myname);	    
	    return;
#endif
        }
    }
    else if (*id_sys == -1) {
#ifdef PRINT_ERR_MSG
	FPRINTF(stderr, "Unknown errno %d in ADIOI_PFS_IwriteContig\n", errno);
	MPI_Abort(MPI_COMM_WORLD, 1);
#else
	*error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
			         myname, "I/O Error", "%s", strerror(errno));
	ADIOI_Error(fd, *error_code, myname);	    
	return;
#endif
    }

    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len; 

    (*request)->queued = 1;
    (*request)->nbytes = len;
    ADIOI_Add_req_to_list(request);
    fd->async_count++;

    fd->fp_sys_posn = -1;   /* set it to null. */

#ifdef PRINT_ERR_MSG
    *error_code = (*id_sys == -1) ? MPI_ERR_UNKNOWN : MPI_SUCCESS;
#else
    if (*id_sys == -1) {
	*error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
			      myname, "I/O Error", "%s", strerror(errno));
	ADIOI_Error(fd, *error_code, myname);	    
    }
    else *error_code = MPI_SUCCESS;
#endif
}
Example #8
0
void ADIOI_UFS_IwriteContig(ADIO_File fd, void *buf, int count, 
                MPI_Datatype datatype, int file_ptr_type,
                ADIO_Offset offset, ADIO_Request *request, int *error_code)  
{
    int len, typesize;
#ifdef NO_AIO
    ADIO_Status status;
#else
    int err=-1;
#if defined(MPICH2) || !defined(PRINT_ERR_MSG)
    static char myname[] = "ADIOI_UFS_IWRITECONTIG";
#endif
#endif

    *request = ADIOI_Malloc_request();
    (*request)->optype = ADIOI_WRITE;
    (*request)->fd = fd;
    (*request)->datatype = datatype;

    MPI_Type_size(datatype, &typesize);
    len = count * typesize;

#ifdef NO_AIO
    /* HP, FreeBSD, Linux */
    /* no support for nonblocking I/O. Use blocking I/O. */

    ADIOI_UFS_WriteContig(fd, buf, len, MPI_BYTE, file_ptr_type, offset, 
			  &status, error_code);  
    (*request)->queued = 0;
#ifdef HAVE_STATUS_SET_BYTES
    if (*error_code == MPI_SUCCESS) {
	MPI_Get_elements(&status, MPI_BYTE, &len);
	(*request)->nbytes = len;
    }
#endif

#else
    if (file_ptr_type == ADIO_INDIVIDUAL) offset = fd->fp_ind;
    err = ADIOI_UFS_aio(fd, buf, len, offset, 1, &((*request)->handle));
    if (file_ptr_type == ADIO_INDIVIDUAL) fd->fp_ind += len;

    (*request)->queued = 1;
    ADIOI_Add_req_to_list(request);

    if (err == -1) {
#ifdef MPICH2
	*error_code = MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE, myname, __LINE__, MPI_ERR_IO, "**io",
	    "**io %s", strerror(errno));
	return;
#elif defined(PRINT_ERR_MSG)
			*error_code = MPI_ERR_UNKNOWN;
#else /* MPICH-1 */
	*error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR,
			      myname, "I/O Error", "%s", strerror(errno));
	ADIOI_Error(fd, *error_code, myname);	    
#endif
    }
    else *error_code = MPI_SUCCESS;
#endif /* NO_AIO */

    fd->fp_sys_posn = -1;   /* set it to null. */
    fd->async_count++;
}