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I have a python program that uses a custom-built DLL. This DLL crashes due to a stack overflow. This overflow is not due to a recursive function gone bad, but to large allocations on the stack using alloca().
I want to increase stack size to get rid of this error. Is there any way to do this?
AFAIK a program can only change the stack size of new threads or processes (Windows’ CreateThread function, for example). As Python (and the Win32 API for Python) does not expose such functionality, you should rather replace the stack allocation with heap memory. Or is there a specific reason for using the stack?? If you really have to use
allocayou might want to create a separate thread for execution of DLL code (which is overkill I think).EDIT: Correction – Python does allow for setting the stack size when creating new threads (see thread.stack_size)