Re: [xml] occasional segfault

[Daniel Veillard <veillard redhat com>]

On Mon, Apr 21, 2003 at 10:17:07AM -0400, Xiang Yan wrote:
> Hello,
>
> Following code gets segfault occasionally with same input in a multithreaed env(gnu/linux rh as/glibc 
> 2.96/g++...):
[...]
>  m_doc = xmlParseMemory(tmp, strlen(tmp));
> ...
> ////////////////////////////////////////////////////////
> // stack trace here
> ///////////////////////////////////////////////////////
> #0  chunk_alloc (ar_ptr=0x402b82c0, nb=56) at malloc.c:3001
> #1  0x40203828 in __libc_malloc (bytes=52) at malloc.c:2811
> #2  0x40074bbe in xmlNewTextLen () from /usr/lib/libxml2.so.2
[...]
> What's the possible reason for this?

Did you compile libxml2 with thread support ?
Did you link with -lpthread ? 

  I assume the answer is no, and hence it's not surprizing, the
memory allocator of the default glibc may not be reentrant.

Daniel

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