+1 Looking through som old multithreaded code for other projects tells me this is the way to do it.
- Frank > While stess testing the recent threading fixes under the ISAPI module I > was seeing a lot of instability in IIS after the testing finished. > While the PHP pages would continue to load, no ASP pages would anymore. > I have tracked this down to the placement of the Win32 CoInitialize() > and CoUninitialize() calls. In the current 4.3.0 release candidate > CoInitialize() and CoUninitialize() are only called once per thread > (from the basic_globals_ctor/_dtor in basic_functions.c). According to > Microsoft, however, at > http://msdn.microsoft.com/library/en-us/iisref/html/psdk/asp/devs0hm5.asp: > > "COM initialization, from CoInitialize or CoInitializeEx, affects the > thread in which it's called. For this reason, you cannot initialize COM > unless you uninitialize it before returning from your callback > function. [ . . .] CoInitialize and CoUninitialize need to be called in > order. If one is called twice in a row, by different ISAPIs on the same > thread, your users may see error 270." > > This is exactly the error I am seeing: if I load an ASP page in a > thread that has processed PHP pages I get the 270 error (reported as > "Error -2147417842 (0x8001010e)"). I moved the CoInitilize call to > PHP_RINIT_FUNCTION(basic) and CoUninitialize to > PHP_RSHUTDOWN_FUNCTION(basic) and reran my stress testing. After > 100,000 PHP page loads IIS now remains stable and able to process both > ASP and PHP pages. > > I ran this by Zeev and he suggested that some kind of just-in-time COM > initialization, but I'm not going to have the time to get to this full > solution until later. In the meantime for 4.3.0 I request that the > attached patch is applied that moves the CoInitialize or CoInitializeEx > calls to be per-request. This is the last little fix that all the > multi-threading bug fixing to make the ISAPI rock solid in 4.3.0 > requires. I've done a lot of testing and feel very confident about > including this patch. > > Michael Sisolak > [EMAIL PROTECTED] > > > __________________________________________________ > Do you Yahoo!? > Yahoo! Mail Plus – Powerful. Affordable. Sign up now. > http://mailplus.yahoo.com -- PHP Development Mailing List <http://www.php.net/> To unsubscribe, visit: http://www.php.net/unsub.php
