[Scons-dev] Tests fails

[Gary Oberbrunner]

On Mac I see the three usual handles plus a couple of other numeric entries
in /dev/fd as directories; I don't understand those but will take a look.


On Mon, Mar 3, 2014 at 11:57 AM, Tom Tanner (BLOOMBERG/ LONDON) <
ttanner2 at bloomberg.net> wrote:


> Just been hunting around and apparently it's /dev/fd (rather than

> /proc/xxx/fd) on MacOS, and also apparently /dev/fd will work equally well

> for linux (although presumably ls -l /dev/fd will actually produce the

> handles ls has passed to it)

>

> If someone who has MacOS could test that and see if it works and do a pull

> request.

>

>

> ----- Original Message -----

> From: managan1 at llnl.gov

> To: Tom Tanner (BLOOMBERG/ LONDON) <ttanner2 at bloomberg.net>,

> scons-dev at scons.org

> At: Mar 3 2014 16:43:43

>

> Hi,

>

> On OSX 10.7.5 I get this:

>

> ls /proc/$$/fd | wc -l

> ls: /proc/97956/fd: No such file or directory

>        0

>

> So it appears that item 2 below is the culprit.

>

> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

> Rob Managan                             email managan at llnl.gov

> LLNL                                             phone: 925-423-0903

> P.O. Box 808, L-095                   FAX:   925-422-3389

> Livermore, CA  94551-0808

>

>

> On 3/3/14 1:19 AM, "Tom Tanner (BLOOMBERG/ LONDON)" <

> ttanner2 at bloomberg.net> wrote:

>

> On the OSX one, it looks like you don't have SWIG and RANLIB installed and

> it's not recognising that it hasn't. I seem to remember having to install a

> lot of software on my linux (Ubuntu) box in order to get the tests to run

> clean. If that's the case, I'd imagine it's a bug really.

>

> The leaky-handles test is possibly an issue with OSX not behaving quite

> like other linuxes. In order to detect how many handles are open in a

> forked subshell, it runs

> ls /proc/$$/fd | wc -l

>

> and expects that to return 3 (stdin, stdout, stderr). If it doesn't, then

> either

> 1) python isn't closing files in a child process properly

> 2) OSX doesn't have a proc/<pid>/fd directory

> 3) OSX has other standard handles.

> 4) I've written the test wrong and it doesn't gracefully exit for non

> posix systems.

>

> I don't have access to an OSX system so I can't really tell, though if it (

> os.name) returns 'posix' that should work.

>

> Cheers

>

> TT

>

>

>

>

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>



-- 
Gary
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