git: purgatorio

ref: db0eab9ca04b896e5760081efd854c57f65f36c3
dir: /module/lock.m/

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Lock: module
{
	PATH:	con "/dis/lib/lock.dis";

	Semaphore: adt {
		c: chan of int;
		obtain:	fn(nil: self ref Semaphore);
		release: fn(nil: self ref Semaphore);
		new: fn(): ref Semaphore;
	};
	
	init: fn();
};