[daip] Re: file locking

Eric Greisen egreisen at nrao.edu
Mon Nov 8 12:08:38 EST 2004


gtaylor writes:
 > Hi Eric,
 > 
 >    Still no go with a somewhat different error message now:
 > 
 > >uc
 > ZLOCK non-ex: Operation not supported
 > AIPS 2: ZERROR: ON FILE DA02:CAD000000.177;
 > AIPS 2: ZERROR: IN ZDAOPN ERRNO = 45 (Operation not supported)

This implies that it will not do a read lock on the file.  I was
worried that somehow aips was asking for a write lock which would be a
non-no on a truely read-only file system.  This did work under Linux
on your laptop here.  Maybe we will have to modify code further...

Sigh...

Eric




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