Fix crash due to order of initialization for threading on Windows with shared libxml2 2.11.4#370
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This fixes an Access Violation on Windows when using a shared build of libxml2 2.11.4. Stacktrace: ntdll.dll!RtlpWaitOnCriticalSection() + 0xa6 Bytes ntdll.dll!RtlpEnterCriticalSectionContended() + 0x1c4 Bytes ntdll.dll!RtlEnterCriticalSection() + 0x42 Bytes > libxml2.dll!xmlRMutexLock(_xmlRMutex * tok=0x0000000002fea170) Zeile 234 C libxml2.dll!xmlThrDefIndentTreeOutput(int v=0) Zeile 934 C etree.pyd!00000000037fc566() python27.dll!_PyImport_LoadDynamicModule(char * name=0x0000000002fe4408, char * pathname=0x000000005a49c660, _iobuf * fp=0x0000000002839880) Zeile 54 C libxml2 changed the mutex initialization in this commit: https://gitlab.gnome.org/GNOME/libxml2/-/commit/65d381f32c0d2cb2361055fddbd5c4a9119031d1 xmlThrDefIndentTreeOutput tries to use the global Mutex, but this is only initialized by xmlInitParser(), so it crashes due to wrong initialization order.
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Looks reasonable, thanks. I'll see what CI says and then merge it. |
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Fix crash on "import lxml.etree" related to calling xmlInitParser() too late. See: lxml/lxml#370
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Fix crash on "import lxml.etree" related to calling xmlInitParser() too late. See: lxml/lxml#370
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This fixes an Access Violation on Windows when using a shared build of libxml2 2.11.4.
Stacktrace:
libxml2 changed the mutex initialization in this commit: https://gitlab.gnome.org/GNOME/libxml2/-/commit/65d381f32c0d2cb2361055fddbd5c4a9119031d1
xmlThrDefIndentTreeOutput tries to use the global Mutex, but this is only initialized by xmlInitParser(), so it crashes due to wrong initialization order.