spinlock class?

Joe Buehler jbuehler@hekimian.com
Mon Apr 28 20:24:00 GMT 2003

Christopher Faylor wrote:

> You mean critical sections, maybe?  Although cygwin uses "spinlocks" in
> one or two cases, they are only for edge cases that should be hit rarely.
> They're basically a 'if (!test) Sleep (0)'.

OK.  Here's what I ended up doing:

	void lock() {
		while (InterlockedExchange (&the_lock, 1)) {
			low_priority_sleep (0);

	void unlock() {
		InterlockedExchange (&the_lock, 0);
Joe Buehler

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