[cmake-developers] New command 'file(LOCK_DIRECTORY ...)'

[Brad King]

On 12/02/2014 10:03 AM, Brad King wrote:
> Testing went pretty well, but the RunCMake.file test fails on HP-UX
> in the LOCK-error-timeout case:
> 
>  http://open.cdash.org/testDetails.php?test=297595272&build=3594885
> 
> The relevant expect/actual lines are:
> 
>>    expect-err>   Timeout reached\.
>>    actual-err>   Permission denied.
> 
> Any idea why that might happen?

This may fix it:

 cmFileLockUnix: Treat EACCES like EAGAIN
 http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=35bcecc0

According to 'man fcntl' locking an already-locked file may fail
with either EACCES or EAGAIN.  We were only checking the latter.

Thanks,
-Brad