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-rw-r--r--gnu/build/marionette.scm25
1 files changed, 25 insertions, 0 deletions
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm
index 61284b8980..f94eab5cc0 100644
--- a/gnu/build/marionette.scm
+++ b/gnu/build/marionette.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -27,6 +28,7 @@
marionette-eval
wait-for-file
wait-for-tcp-port
+ wait-for-unix-socket
marionette-control
marionette-screen-text
wait-for-screen-text
@@ -214,6 +216,29 @@ MARIONETTE. Raise an error on failure."
('failure
(error "nobody's listening on port" port))))
+(define* (wait-for-unix-socket file-name marionette
+ #:key (timeout 20))
+ "Wait for up to TIMEOUT seconds for FILE-NAME, a Unix domain socket, to
+accept connections in MARIONETTE. Raise an error on failure."
+ (match (marionette-eval
+ `(begin
+ (let ((sock (socket PF_UNIX SOCK_STREAM 0)))
+ (let loop ((i 0))
+ (catch 'system-error
+ (lambda ()
+ (connect sock AF_UNIX ,file-name)
+ 'success)
+ (lambda args
+ (if (< i ,timeout)
+ (begin
+ (sleep 1)
+ (loop (+ 1 i)))
+ 'failure))))))
+ marionette)
+ ('success #t)
+ ('failure
+ (error "nobody's listening on unix domain socket" file-name))))
+
(define (marionette-control command marionette)
"Run COMMAND in the QEMU monitor of MARIONETTE. COMMAND is a string such as
\"sendkey ctrl-alt-f1\" or \"screendump foo.ppm\" (info \"(qemu-doc)