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Date: Mon, 28 Jun 2004 07:58:59 -0700
To: kameshj@fastmail.fm,internals@lists.php.net
In-Reply-To: <1088403411.2271.1.camel@linux.local>
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Subject: Re: [PHP-DEV] issue in copying the hash table(Reposted third
  time)
From: andi@zend.com (Andi Gutmans)
References: <1088403411.2271.1.camel@linux.local>

I don't quite understand the question.
Can you rephrase what exactly is bothering you?

Andi

At 03:46 AM 6/28/2004 +0530, Kamesh Jayachandran wrote:
>Hi All,
>Sorry to repost for the third time.
>I want the clarification regarding copying the global_class_table to
>thread specific compiler_globals->class_table in compiler_globals_ctor
>in Zend/zend.c.
>
>According to me memcpy should copy 'whatever source points to' to
>'destination'.
>Our class_table hashtable structure looks like this,
>char *key;
>zend_class_entry** value;
>So memcpy should copy only whatever (zend_class_entry**) points to which
>is semantically wrong good candidate for Segmentation fault.
>
>No way memcpy can do double dereferencing for this case.
>
>Somehow in Linux when i compile it with maintainer-zts-mode memcpy
>copies the data fine.
>I verified all the internal classes. Thread specific class_table is in
>sink with the global_class_table.
>
>
>Please clarify.
>
>Thanks in Advance
>
>
>With regards
>Kamesh Jayachandran
>
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