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H5O_INCR_REFCOUNT

Increments an object reference count

Procedure:

H5O_INCR_REFCOUNT(object_id)

Signature:

herr_t H5Oincr_refcount( hid_t object_id )

SUBROUTINE h5oincr_refcount_f(obj_id, hdferr)
    IMPLICIT NONE
    INTEGER(HID_T), INTENT(IN)  :: obj_id
    INTEGER       , INTENT(OUT) :: hdferr

Parameters:
hid_t object_id    IN: Object identifier; may be a group, named datatype, or dataset identifier

Description:

H5O_INCR_REFCOUNT increments the hard link reference count for an object. It should be used any time a user-defined link that references an object by address is added. When the link is deleted, H5O_DECR_REFCOUNT should be used.

An object’s reference count is the number of hard links in the file that point to that object. See the “Programming Model” section of the HDF5 Groups chapter in the HDF5 User’s Guide for a more complete discussion of reference counts.

If a user application needs to determine an object’s reference count, an H5O_GET_INFO call is required; the reference count is returned in the rc field of the H5O_info_t struct.

Warning: This function must be used with care! 
Improper use can lead to inaccessible data, wasted space in the file, or file corruption.

Returns:

Returns a non-negative value if successful; otherwise returns a negative value.

Example:

Coming Soon!

History:
Release    Change
1.8.11Fortran subroutine introduced in this release.
1.8.0Function introduced in this release.

--- Last Modified: May 07, 2018 | 02:50 PM