From 5cc569dc733c3d606be5180b43c6e8566009b4a3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= Date: Sat, 8 Mar 2014 21:23:12 +0100 Subject: [PATCH] offload: Prevent locked files from being GC'd. * guix/scripts/offload.scm (%slots): New variable. (choose-build-machine): Add SLOT to '%slots'. --- guix/scripts/offload.scm | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/guix/scripts/offload.scm b/guix/scripts/offload.scm index 2d2dbe36c5..e1da31af5d 100644 --- a/guix/scripts/offload.scm +++ b/guix/scripts/offload.scm @@ -383,6 +383,10 @@ connections allowed to MACHINE." "Release SLOT, a build slot as returned as by 'acquire-build-slot'." (close-port slot)) +(define %slots + ;; List of acquired build slots (open ports). + '()) + (define (choose-build-machine requirements machines) "Return the best machine among MACHINES fulfilling REQUIREMENTS, or #f." @@ -418,7 +422,10 @@ connections allowed to MACHINE." ;; Return the best machine unless it's already overloaded. (if (< (machine-load best) 2.) - best + (begin + ;; Prevent SLOT from being GC'd. + (set! %slots (cons slot %slots)) + best) (begin (release-build-slot slot) #f)))