;;; 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)
'/guix/log/doc/local.mk?id=d1b786fe629ae9a80f37f64fdf48b9d7c132cd11'>local.mk</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/doc/local.mk?id=d1b786fe629ae9a80f37f64fdf48b9d7c132cd11&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-08-29 14:52:21 -0400'>2023-08-29</span></td><td><a href='/guix/commit/doc/local.mk?id=0d9619354bf6c51a26bee7eb52073023dedafd49'>doc: Fix a potential problem in man page generation rule.</a><span class='msg-avail'>...<span class='msg-tooltip'>Since commit ca8acad3 ("build: Add dependency on guix script for help2man
targets."), the $&lt; special Make variable in the recipe was matching
scripts/guix instead of the more specific 'guix/scripts/%.scm' source.

* doc/local.mk ($(srcdir)/%D%/guix-%.1): Move the scripts/guix prerequisite to
the end.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-08-25 14:24:24 +0200'>2023-08-25</span></td><td><a href='/guix/commit/doc/local.mk?id=ca8acad38264dd29a808904d3ce8e7249194d95f'>build: Add dependency on guix script for help2man targets.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/local.mk: Add dependency on guix script for help2man targets.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>