;;; 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/nix/local.mk?id=92c3d1c3d059d662f2e5dc1ecdce99f3eb13bfd0'>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/nix/local.mk?id=92c3d1c3d059d662f2e5dc1ecdce99f3eb13bfd0&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-10-01 08:58:06 +0000'>2021-10-01</span></td><td><a href='/guix/commit/nix/local.mk?id=8579304e8f4deaca33b816b2d56af1d814a03bde'>build: Don’t delete ‘guix-gc.timer’ file.</a><span class='msg-avail'>...<span class='msg-tooltip'>Without this invoking ‘make clean’ would remove ‘guix-gc.timer’, and ‘make’
would fail with.

  make[2]: *** No rule to make target 'etc/guix-gc.timer', needed by 'all-am'.  Stop.

* nix/local.mk (nodist_systemdservice_DATA): Remove ‘guix-gc.timer’.
</span></span></td><td>Xinglu Chen</td></tr>
<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/nix/local.mk?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>