Hi Allen,
On Dec 18, 2009, at 7:07 PM, Allen Sanderson wrote:
> One followup could this problem be related to perhaps already having the one
> link open ??? and then trying to open it again???
Hmm, are you using the latest release (1.8.4)?
Quincey
>
>
> Cheers,
>
> Allen
>
>
>
>
> On Dec 18, 2009, at 6:02 PM, Allen Sanderson wrote:
>
>> I have a file with two external links that at are both at the top level:
>>
>> HDF5 "DATA.h5" {
>> GROUP "/" {
>> EXTERNAL_LINK "Mesh" {
>> TARGETFILE "Mesh.h5"
>> TARGETPATH "/Mesh"
>> GROUP "/Mesh" {
>> }
>> }
>> EXTERNAL_LINK "Step#0" {
>> TARGETFILE "step_0.h5"
>> TARGETPATH "/Step#0"
>> GROUP "/Step#0" {
>> }
>> }
>> }
>> }
>>
>> When I open the main file, DATA.h5 as RDONLY I am able to traverse both
>> links as one would expect.
>>
>> However, when I open the main file, DATA.h5 as RDWR the group "/Mesh"
>> succeeds but the "Step#0" fails. Both links are created in the exact same
>> manner.
>>
>> if( H5Lcreate_external(MESH_NAME, "/Mesh",
>> file_id, "Mesh",
>> H5P_DEFAULT, H5P_DEFAULT) < 0 ) {
>> }
>>
>> So I am at a loss as to why the access is different. I tried to follow
>> through and understand more on the Property list that is set to teh default.
>> ie this var:
>> hid_t lapl_id IN: Link access property list identifier.
>>
>> but I did not get far. Should I be setting something here????
>>
>>
>> Cheers,
>>
>> Allen
>>
>>
>> Allen Sanderson
>> SCI Institute
>> University of Utah
>> www.sci.utah.edu
>>
>>
>>
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>
> _______________________________________________
> Hdf-forum is for HDF software users discussion.
> [email protected]
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