;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (test-workers)
  #:use-module (guix workers)
  #:use-module (ice-9 threads)
  #:use-module (srfi srfi-64))

(test-begin "workers")

(test-equal "enqueue"
  4242
  (let* ((pool   (make-pool))
         (result 0)
         (1+!    (let ((lock (make-mutex)))
                   (lambda ()
                     (with-mutex lock
                       (set! result (+ result 1)))))))
    (let loop ((i 4242))
      (unless (zero? i)
        (pool-enqueue! pool 1+!)
        (loop (- i 1))))
    (let poll ()
      (unless (pool-idle? pool)
        (pk 'busy result)
        (sleep 1)
        (poll)))
    result))

;; Same as above, but throw exceptions within the workers and make sure they
;; remain alive.
(test-equal "exceptions"
  4242
  (let* ((pool   (make-pool 10))
         (result 0)
         (1+!    (let ((lock (make-mutex)))
                   (lambda ()
                     (with-mutex lock
                       (set! result (+ result 1)))))))
    (let loop ((i 10))
      (unless (zero? i)
        (pool-enqueue! pool (lambda ()
                              (throw 'whatever)))
        (loop (- i 1))))
    (let loop ((i 4242))
      (unless (zero? i)
        (pool-enqueue! pool 1+!)
        (loop (- i 1))))
    (let poll ()
      (unless (pool-idle? pool)
        (pk 'busy result)
        (sleep 1)
        (poll)))
    result))

(test-end)
48eb1207e66d31ff42b4995115995a94eff'>tests</a>/<a href='/guix/commit/tests/pypi.scm?id=83f9448eb1207e66d31ff42b4995115995a94eff'>pypi.scm</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='83f9448eb1207e66d31ff42b4995115995a94eff'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>John Soo &lt;jsoo1@asu.edu&gt;</td><td class='right'>2019-08-16 07:20:28 -0700</td></tr>
<tr><th>committer</th><td>Ludovic Courtès &lt;ludo@gnu.org&gt;</td><td class='right'>2019-09-01 23:02:23 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/tests/pypi.scm?id=83f9448eb1207e66d31ff42b4995115995a94eff'>83f9448eb1207e66d31ff42b4995115995a94eff</a> (<a href='/guix/patch/tests/pypi.scm?id=83f9448eb1207e66d31ff42b4995115995a94eff'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=83f9448eb1207e66d31ff42b4995115995a94eff'>5e4c0a9d7af3a4944d96b70116017fdd639779cd</a> /<a href='/guix/tree/tests/pypi.scm?id=83f9448eb1207e66d31ff42b4995115995a94eff'>tests/pypi.scm</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/tests/pypi.scm?id=867df63f90a21a7585b35f44b95d49c0a6f07e7d'>867df63f90a21a7585b35f44b95d49c0a6f07e7d</a> (<a href='/guix/diff/tests/pypi.scm?id=83f9448eb1207e66d31ff42b4995115995a94eff&amp;id2=867df63f90a21a7585b35f44b95d49c0a6f07e7d'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-83f9448eb1207e66d31ff42b4995115995a94eff.tar.gz'>guix-83f9448eb1207e66d31ff42b4995115995a94eff.tar.gz</a><br/><a href='/guix/snapshot/guix-83f9448eb1207e66d31ff42b4995115995a94eff.zip'>guix-83f9448eb1207e66d31ff42b4995115995a94eff.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: Add stylish-haskell.</div><div class='commit-msg'>* gnu/packages/haskell-apps (stylish-haskell): new variable.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</div><div class='diffstat-header'><a href='/guix/diff/?id=83f9448eb1207e66d31ff42b4995115995a94eff'>Diffstat</a> (limited to 'tests/pypi.scm')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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