;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Ludovic Courtès ;;; Copyright © 2019 Mathieu Othacehe ;;; ;;; 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 . (define-module (test-processes) #:use-module (guix scripts processes) #:use-module (guix store) #:use-module (guix derivations) #:use-module (guix packages) #:use-module (guix gexp) #:use-module ((guix utils) #:select (call-with-temporary-directory)) #:use-module (gnu packages bootstrap) #:use-module (guix tests) #:use-module (srfi srfi-1) #:use-module (srfi srfi-64) #:use-module (rnrs bytevectors) #:use-module (rnrs io ports) #:use-module (ice-9 match) #:use-module (ice-9 threads)) ;; When using --system argument, binfmt-misc mechanism may be used. In that ;; case, (guix script processes) won't work because: ;; ;; * ARGV0 is qemu-user and not guix-daemon. ;; * Guix-daemon won't be able to stuff client PID in ARGV1 of forked ;; processes. ;; ;; See: https://lists.gnu.org/archive/html/bug-guix/2019-12/msg00017.html. ;; ;; If we detect that we are running with binfmt emulation, all the following ;; tests must be skipped. (define (binfmt-misc?) (let ((pid (getpid)) (cmdline (call-with-input-file "/proc/self/cmdline" get-string-all))) (match (primitive-fork) (0 (dynamic-wind (const #t) (lambda () (exit (not (equal? (call-with-input-file (format #f "/proc/~a/cmdline" pid) get-string-all) cmdline)))) (const #t))) (x (zero? (cdr (waitpid x))))))) (define-syntax-rule (test-assert* description exp) (begin (when (binfmt-misc?) (test-skip 1)) (test-assert description exp))) (test-begin "processes") (test-assert* "not a client" (not (find (lambda (session) (= (getpid) (process-id (daemon-session-client session)))) (daemon-sessions)))) (test-assert* "client" (with-store store (let* ((session (find (lambda (session) (= (getpid) (process-id (daemon-session-client session)))) (daemon-sessions))) (daemon (daemon-session-process session))) (and (kill (process-id daemon) 0) (string-suffix? "guix-daemon" (first (process-command daemon))))))) (test-assert* "client + lock" (with-store store (call-with-temporary-directory (lambda (directory) (let* ((token1 (string-append directory "/token1")) (token2 (string-append directory "/token2")) (exp #~(begin #$(random-text) (mkdir #$token1) (let loop () (unless (file-exists? #$token2) (sleep 1) (loop))) (mkdir #$output))) (guile (package-derivation store %bootstrap-guile)) (drv (run-with-store store (gexp->derivation "foo" exp #:guile-for-build guile))) (thread (call-with-new-thread (lambda () (build-derivations store (list drv))))) (_ (let loop () (unless (file-exists? token1) (usleep 200) (loop)))) (session (find (lambda (session) (= (getpid) (process-id (daemon-session-client session)))) (daemon-sessions))) (locks (daemon-session-locks-held (pk 'session session)))) (call-with-output-file token2 (const #t)) (equal? (list (string-append (derivation->output-path drv) ".lock")) locks)))))) (test-end "processes") ref='/guix/commit/doc/images?id=d33fa0c71435396280aff94e7608c5c5be0e06a4'>doc: Show bootstrapping at the package level....Ludovic Courtès 2015-11-02services: Add 'profile-service-type'....Ludovic Courtès 2015-11-02services: Add 'system-service-type'....Ludovic Courtès 2015-10-15doc: Regenerate 'guix graph' examples....Ludovic Courtès 2015-10-14guix system: Add 'dmd-graph' command....Ludovic Courtès 2015-10-10services: Introduce extensible services....Ludovic Courtès 2015-08-27Add 'guix graph'....Ludovic Courtès 2015-06-21size: Add '--map-file' option....Ludovic Courtès