;;; 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)
d532c9f492e6960c4be908b66696e5d13ed741'>gnu</a>/<a href='/guix/log/gnu/packages?id=6cd532c9f492e6960c4be908b66696e5d13ed741'>packages</a>/<a href='/guix/log/gnu/packages/rpm.scm?id=6cd532c9f492e6960c4be908b66696e5d13ed741'>rpm.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/gnu/packages/rpm.scm?id=6cd532c9f492e6960c4be908b66696e5d13ed741&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-08-02 15:10:01 -0400'>2022-08-02</span></td><td><a href='/guix/commit/gnu/packages/rpm.scm?id=1a5384e9a702c366f3b14ed1ac3db8d3eb6640e2'>gnu: createrepo-c: Update to 0.20.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rpm.scm (createrepo-c): Update to 0.20.1.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-08-02 15:10:01 -0400'>2022-08-02</span></td><td><a href='/guix/commit/gnu/packages/rpm.scm?id=da96de3b661723954a6469b70d9cb9cc00e031b3'>gnu: drpm: Update to 0.5.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rpm.scm (drpm): Update to 0.5.1.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-08-02 15:10:01 -0400'>2022-08-02</span></td><td><a href='/guix/commit/gnu/packages/rpm.scm?id=c162dc379ccbfebcd15ae98791ce4e68249322b7'>gnu: createrepo-c: Use gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rpm.scm (createrepo-c)
[phases]: Use gexps.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-08-02 15:10:00 -0400'>2022-08-02</span></td><td><a href='/guix/commit/gnu/packages/rpm.scm?id=5ee30cfa84a7d66cab5803c334e81579f6797200'>gnu: libmodulemd: Fix build and use new style inputs and gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rpm.scm (libmodulemd)
[arguments]: Use gexps.
[phases]{fix-glib-doc-prefix}: Use search-input-directory.
{fix-docbook-references}: Use search-input-file.
{move-documentation}: Use search-input-directory.
[native-inputs]: Use new style.  Add python.
[inputs]: Use new style.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/rpm.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>