Fork() creates a new process. The entire memory image of the old process is copied into the new process (well, it's copy-on-write for most OSs, but the outcome is the same). Any changes one process makes, cannot be seen by the other process.
So changing d->connected in the email process doesn't change d->connected in the main process. You're going to need to either implement this as a thread (which does share the memory image) (google pthreads) or implement some kind of inter-process communication. I would go with threads (although I've never actually done threading in C or used pthreads to do threading in C, so I can't tell you how difficult it is (it's pretty easy in Python, though)) -David On 8/15/06, Valnir <[EMAIL PROTECTED]> wrote:
Ok.. I'm working on an account system, and want to make sure that no two accounts have the same email address. Don't want users having duplicate accounts. The issue I'm having is that during account creation I'm scanning all the existing user accounts to see if any have the same address. I'm using fork() so that I don't have the entire mud come to a screeching halt while it scans, but for some reason, although everything in the fork() seems to be working fine, it doesn't set the d->connected correctly or process the nanny function again at the end the way I'm wanting it to. Ideas? Thansk! - Valnir /* Code snippet */
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