Hi,
We are designing an application using your libxml2 (2.6.23). We experienced
some problems with that version and with the latest one. It seams that in multi
thread environment some initialization code does not work correctly (it of
course can be a bad use from us). The fact is that when the globalkey (pthread
environment) value is 0 (occurs for the first thread) the thread specific
memory is not set up correctly and then we have a lot of problem (indeed the
DefaultXmlBufferSize has random values...). With every non-zero value
everything works good.
I made a change to fix it in my particulare case but I'm quite sure that this
is not the good way to fix it. Here is the change I did in thread.c:784 (in red)
static void
xmlOnceInit(void) {
#ifdef HAVE_PTHREAD_H
(void) pthread_key_create(&globalkey, xmlFreeGlobalState);
if(globalkey==0)
(void) pthread_key_create(&globalkey, xmlFreeGlobalState);
mainthread = pthread_self();
#endif
#if defined(HAVE_WIN32_THREADS)
if (!run_once.done) {
if (InterlockedIncrement(&run_once.control) == 1)
{
#if !defined(HAVE_COMPILER_TLS)
globalkey = TlsAlloc();
#endif
....
Could you please inform me if this problem is due to a bad use of your
library or if you already experienced the same problem ?
Thank you for your help,
Sincerely,
Sylvain Lecorné.
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