Edit report at https://bugs.php.net/bug.php?id=53251&edit=1
ID: 53251
Comment by: qing0088 at hotmail dot com
Reported by: jeanseb at au-fil-du dot net
Summary: bindtextdomain with null directory doesn't return
the previously set
Status: Assigned
Type: Bug
Package: Gettext related
Operating System: Debian 5.0.6
PHP Version: 5.3.3
Assigned To: pajoye
Block user comment: N
Private report: N
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Previous Comments:
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[2010-11-26 23:12:03] greno at verizon dot net
Please, I do read and consider all of your comments.
And I understand the concern about the TS build.
I was merely trying to convey that I have not seen or read about any evidence
that is convincing that using gettext in threads would be successful given the
current state of the underlying GNU gettext library.
I based this on things like this:
Checking latest gettext manual here:
http://www.gnu.org/software/gettext/manual/gettext.html#PHP
It shows that PHP 'uses' not 'emulates' the GNU underlying gettext library.
The GNU library is not thread-safe.
Checking PHP gettext in the manual:
http://www.php.net/manual/en/gettext.requirements.php
It shows a comment stating that PHP gettext is not thread-safe and even gives
an example of one of the environment variables that can drive the underlying
GNU gettext library. The comment supports other places of information that
basically assert the same thing.
I certainly agree, if you need to put some type of ifdef TSMODE or whatever in
the patch OK, please by all means put it in there. That only would apply to
the threaded model so it would be a NOP to those using the non-threaded model.
If you need to force the fact that the bound directory must exist for whatever
reason in the threaded model, OK, that's some limitation of the threaded model.
It deviates from the defined GNU bindtextdomain behavior but to get a threaded
model working maybe that's a necessary tradeoff.
My only goal is to get a patch in PHP 5.2 and 5.3 asap to fix the current
brokenness of bindtextdomain.
.
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[2010-11-26 21:03:57] [email protected]
I really appreciate your feedback but it tends to be a monologue. You totally
ignore any comment you disagree with or don't care about.
I explained already many times why and when we should care about that. I even
pointed to the gettext documentation telling that. So let say that unless you
have something new to say, the problem is identified and will be fixed asap.
------------------------------------------------------------------------
[2010-11-26 20:51:39] greno at verizon dot net
Gettext is not thread-safe. You shouldn't need to worry about trying to get
gettext working in threads. The underlying gettext library would first have to
be made thread-safe and no longer able to be driven by environment variables.
Gettext can be driven by environment variables and unless you have a way to set
up completely different environments for each thread, then there is never going
to be a way to reliably use gettext in threads. One thread could set an env
var to one value and another thread in the same process set the env var to a
different value and both of these threads would see the value set by the latest
thread. And gettext would behave according to the latest setting which would
totally screw up the earlier thread.
.
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[2010-11-26 20:43:18] [email protected]
Thanks for the patch. But it is sadly not correct. We have to get the realpath
of the directory argument in TS mode.
------------------------------------------------------------------------
[2010-11-26 20:37:50] greno at verizon dot net
I've attached a patch (fix_broken_bindtextdomain) to the bug which should
correct the bindtextdomain problem.
And I prepared phpt tests (see my second set of phpt tests zip file in a
previous posting) that can test the bindtextdomain NULL arg functionality.
So everything is here and available to fix bindtextdomain in PHP 5.2.15 and
5.3.3.
.
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https://bugs.php.net/bug.php?id=53251
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