On Mon, 13 Nov 2023 19:09:26 -0500, Tony Harminc wrote:
>>
>> >>On Mon, 13 Nov 2023 01:10:14 -0600, Jon Perryman >> wrote:
>> >>z/OS Unix filesystems are linear datasets.
>
>Some are.
>
Exceptions might be sockets, descriptors, pipes, and NFS. And not all
UNIX files belong to filesystems.
>>No. BLKSIZE is not ignored.
>>
I was envisioning unblocked RECFM (or BLKSIZE=LRECL) as achieving
the effect of setvbuf( ..., _IOLBF )
<https://pubs.opengroup.org/onlinepubs/9699919799/functions/setvbuf.html#tag_16_532>
o {_IOLBF} shall cause input/output to be line buffered.
--
gil
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