71 lines
2.1 KiB
Scheme
71 lines
2.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (test-workers)
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#:use-module (guix workers)
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#:use-module (ice-9 threads)
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#:use-module (srfi srfi-64))
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(test-begin "workers")
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(test-equal "enqueue"
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4242
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(let* ((pool (make-pool))
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(result 0)
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(1+! (let ((lock (make-mutex)))
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(lambda ()
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(with-mutex lock
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(set! result (+ result 1)))))))
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(let loop ((i 4242))
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(unless (zero? i)
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(pool-enqueue! pool 1+!)
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(loop (- i 1))))
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(let poll ()
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(unless (pool-idle? pool)
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(pk 'busy result)
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(sleep 1)
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(poll)))
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result))
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;; Same as above, but throw exceptions within the workers and make sure they
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;; remain alive.
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(test-equal "exceptions"
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4242
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(let* ((pool (make-pool 10))
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(result 0)
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(1+! (let ((lock (make-mutex)))
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(lambda ()
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(with-mutex lock
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(set! result (+ result 1)))))))
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(let loop ((i 10))
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(unless (zero? i)
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(pool-enqueue! pool (lambda ()
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(throw 'whatever)))
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(loop (- i 1))))
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(let loop ((i 4242))
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(unless (zero? i)
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(pool-enqueue! pool 1+!)
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(loop (- i 1))))
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(let poll ()
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(unless (pool-idle? pool)
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(pk 'busy result)
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(sleep 1)
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(poll)))
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result))
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(test-end)
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