;;; 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/etc/snippets?id=7df42d3774778dfbb92e935df720f6eb52965e66'>snippets</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/etc/snippets?id=7df42d3774778dfbb92e935df720f6eb52965e66&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-05-09 00:22:37 -0400'>2019-05-09</span></td><td><a href='/guix/commit/etc/snippets?id=4ac69ea10f54384ac893313ef738e5ad554ac328'>Add (guix bzr-download).</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/bzr-download.scm, guix/build/bzr.scm,
etc/snippets/scheme-mode/guix-bzr-reference: New files.
* Makefile.am (MODULES): Add them.
* etc/snippets/scheme-mode/guix-origin: Add "bzr-fetch" to the origin choices.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2019-03-26 14:18:12 +0100'>2019-03-26</span></td><td><a href='/guix/commit/etc/snippets?id=6994e6743603ab73cc32d32786a55672f4fa46f0'>etc: Add "rename" snippet.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/text-mode/guix-commit-message-rename-package: New file.
</span></span></td><td>Pierre Neidhardt</td></tr>
<tr><td><span title='2019-03-08 00:17:30 +0100'>2019-03-08</span></td><td><a href='/guix/commit/etc/snippets?id=95803946c7dbdff88db09fa5fe98e70d607712a7'>etc: snippets: Prefill package name.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/text-mode/guix-commit-message-add-package: Extract package
name from diff.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-03-07 23:55:24 +0100'>2019-03-07</span></td><td><a href='/guix/commit/etc/snippets?id=d6234620ace1863d8102b065311ef3d94e0931da'>etc: snippets: Prefill package name and version.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/text-mode/guix-commit-message-update-package: Extract package
name and version from git diff output.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-10-10 17:33:42 +0200'>2018-10-10</span></td><td><a href='/guix/commit/etc/snippets?id=d634db9401ac320383d45e24431442259cf6a2a4'>etc: Use git-file-name if origin is git-fetch.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/scheme-mode/guix-origin: Use git-file-name.
</span></span></td><td>Pierre Neidhardt</td></tr>
<tr><td><span title='2018-07-13 12:45:11 +0530'>2018-07-13</span></td><td><a href='/guix/commit/etc/snippets?id=9286c2950494b110e12d58d4ebd693d614120afe'>etc: snippets: Add guix-commit-message-use-https-home-page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/text-mode/guix-commit-message-use-https-home-page: New file.
* doc/contributing.texi (The Perfect Setup): Document new snippet.
</span></span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2018-07-13 09:27:31 +0530'>2018-07-13</span></td><td><a href='/guix/commit/etc/snippets?id=202befb4ae775cfdab1566f4a69ec184406a56be'>etc: snippets: Add new build systems to package snippet.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/scheme-mode/guix-package: Add android-ndk-build-system and
scons-build-system as possibilities for the build-system field.
</span></span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2017-12-15 23:15:32 +0100'>2017-12-15</span></td><td><a href='/guix/commit/etc/snippets?id=42cdcdff1945b112452029c6a79445aac15ffd16'>etc: Add snippets.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/snippets/scheme-mode/guix-cvs-reference,
etc/snippets/scheme-mode/guix-git-reference,
etc/snippets/scheme-mode/guix-hg-reference,
etc/snippets/scheme-mode/guix-origin,
etc/snippets/scheme-mode/guix-package,
etc/snippets/scheme-mode/guix-svn-reference,
etc/snippets/text-mode/guix-commit-message-add-package,
etc/snippets/text-mode/guix-commit-message-update-package: New files.
* doc/contributing.texi (The Perfect Setup): Document snippets.
</span></span></td><td>Ricardo Wurmus</td></tr>