;;; 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)
3782c88e0f9b2d01a5d015a4c5'>tests</a>/<a href='/guix/log/tests/syscalls.scm?id=5c610d4f7f46593782c88e0f9b2d01a5d015a4c5'>syscalls.scm</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/tests/syscalls.scm?id=5c610d4f7f46593782c88e0f9b2d01a5d015a4c5&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-10-05 22:05:02 +0200'>2019-10-05</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=5e5f7167943b408ae55736a44908a82056c87780'>syscalls: Add 'add-to-entropy-count'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (RNDADDTOENTCNT): New variable.
(add-to-entropy-count): New procedure.
* tests/syscalls.scm ("add-to-entropy-count"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-27 11:14:40 +0200'>2019-06-27</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=4593f5a654b4e59c5025cc4f99914e24e82515a4'>syscalls: Add 'terminal-rows'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (terminal-dimension): New procedure.
(terminal-columns): Rewrite in terms of 'terminal-dimension'.
(terminal-rows): New procedure.
* tests/syscalls.scm ("terminal-rows"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-03 17:50:04 +0200'>2018-07-03</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=25c7ff6a3ecbaa1e93b38d35c8cbff40b7f4edb8'>syscalls: Define AT_SYMLINK_NOFOLLOW et al.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (AT_FDCWD, AT_SYMLINK_NOFOLLOW, AT_REMOVEDIR)
(AT_SYMLINK_FOLLOW, AT_NO_AUTOMOUNT, AT_EMPTY_PATH): New variables.
* tests/syscalls.scm ("utime with AT_SYMLINK_NOFOLLOW"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-08 17:41:08 +0200'>2018-04-08</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=6ef80eb0d94181eb5f755a11fca0d428252ce753'>tests: Skip 'pivot-root' test on Ubuntu's 4.4 kernels.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/25476&gt;.
Reported by Paul Garlick &lt;pgarlick@tourbillion-technology.com&gt;
and Maria Sidorova &lt;hydromasha@gmail.com&gt;.

* tests/syscalls.scm ("pivot-root"): Skip on known-bad Ubuntu kernels.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-25 18:12:33 +0100'>2017-11-25</span></td><td><a href='/guix/commit/tests/syscalls.scm?id=4aac8d059a2bec9f075ceea2a089ca029a71912c'>syscalls: Adjust utmpx test.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/29426&gt;.
Reported by Adonay Felipe Nogueira &lt;adfeno@hyperbola.info&gt;.

* tests/syscalls.scm ("utmpx-entries"): Check the value
of (utmpx-entries entry) only for INIT_PROCESS, LOGIN_PROCESS, and
USER_PROCESS entries.
</span></span></td><td>Ludovic Courtès</td></tr>