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Modern pipes have to serve many lords. Besides bog-standard stdio redirection they also act as MPMC queues of semaphore tokens in build systems[0] but also as h

• amenonsen 7y ago
  That commit is a fascinating illustration of how pipes allow a model of inter-process interaction that goes beyond what you can do with temporary files, as well as how much further things have evolved from the days of the "very conservative locking" in readp/writep from the 6E Unix kernel.