On Sep 10, 10:11 am, Tim Golden <[EMAIL PROTECTED]> wrote: > Tim wrote: > > Hello Everyone, > > > I am getting shared memory in python using the following. > > > szName = c_char_p(name) > > hMapObject = windll.kernel32.CreateFileMappingA(INVALID_HANDLE_VALUE, > > None, PAGE_READONLY, 0, TABLE_SHMEMSIZE, szName) > > if (hMapObject == 0): > > print "OpenKey: Could not open name file mapping object" > > raise WinError() > > > self.pData = windll.kernel32.MapViewOfFile(hMapObject, > > FILE_MAP_ALL_ACCESS, 0, 0, TABLE_SHMEMSIZE) > > Without answering your question directly, why not use > the stdlib mmap module, which does exactly this for > you behind the scenes? > > Docs -http://docs.python.org/lib/module-mmap.html > Example -http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/413807 > > TJG
I saw the mmap function in the shared memory example. I had some concern with my large memory size being written to the disk drive. I though it might slow down my application. The reason I am writting this new code is because the existing method using a file. I thought shared memory would be much faster. I have tried using the memcpy and addresses, casting, etc. Is there a way to use memcpy with the pData returned by MapViewOfFile()? Thanks Tim -- http://mail.python.org/mailman/listinfo/python-list
