Every Windows DLL can provide a DllMain function. This function gets called whenever a thread gets created or destroyed.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/dllmain.asp Some example code: /** \brief */ BOOL WINAPI DllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID /*lpReserved*/) { // Perform actions based on the reason for calling. switch( fdwReason ) { case DLL_PROCESS_ATTACH: // Initialize once for each new process. // Return FALSE to fail DLL load. myDllHandle = hinstDLL; // Allocate a TLS index. if((myTlsIndex = TlsAlloc()) == 0xFFFFFFFF) return FALSE; break; case DLL_THREAD_ATTACH: // Do thread-specific initialization. break; case DLL_THREAD_DETACH: // Do thread-specific cleanup. // Release the allocated memory for this thread. myFreeUserMessageBufferOfThread(); break; case DLL_PROCESS_DETACH: NI_DEBUG_ASSERT(myRefCount == 0); // usi not correctly deinitialized myFreeUserMessageBufferOfThread(); TlsFree(myTlsIndex); myTlsIndex = myTlsIndexInvalid; break; } return TRUE; // Successful DLL_PROCESS_ATTACH. } [EMAIL PROTECTED] 11.01.2006 16:00 To sqlite-users@sqlite.org cc Please respond to [EMAIL PROTECTED] Subject te.org [sqlite] Thread handling in Windows In the unix world using pthreads, when you allocate thread-local storage, you specify a callback function to delete the storage when the thread terminates. This callback is the second argument to pthread_key_create(), See, for example, http://www.mkssoftware.com/docs/man3/pthread_key_create.3.asp Question: How do you do the same thing on windows? How do you get a thread to clean up its thread-local-storage obtained using TlsAlloc() and TlsSetValue() when the thread terminates? I need an answer to this question so that I can fix ticket #1601: http://www.sqlite.org/cvstrac/tktview?tn=1601 -- D. Richard Hipp <[EMAIL PROTECTED]>
