GNU Guixguix source archive branch, master, updated. v0.5-332-gd652b85

[Ludovic Courtès]

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commit d652b851373c1bb97da2e446b0d5aa5d0b1ad46d
Author: Ludovic Courtès <address@hidden>
Date:   Sat Mar 8 12:15:38 2014 +0100

    offload: Make 'parallel-builds' a hard limit.
    
    * guix/scripts/offload.scm (machine-choice-lock-file,
      machine-slot-file, acquire-build-slot, release-build-slot): New
      procedures.
      (choose-build-machine): Operate with (machine-choice-lock-file)
      taken.  Acquire a build slot for each of MACHINES.  Release those not
      used.

commit 4bf1eb4f88f2d2b0596fe8a4b98490fc277f323b
Author: Ludovic Courtès <address@hidden>
Date:   Sat Mar 8 12:07:57 2014 +0100

    offload: Further generalize lock files.
    
    * guix/scripts/offload.scm (lock-machine, unlock-machine): Remove.
      (lock-file, unlock-file): New procedures.
      (with-file-lock): New macro.
      (with-machine-lock): Rewrite in terms of 'with-file-lock'.

commit 178f5828ebcb5a5c7019b5463e4ecee5df48870b
Author: Ludovic Courtès <address@hidden>
Date:   Sat Mar 8 11:29:52 2014 +0100

    offload: Generalize the machine lock mechanism.
    
    * guix/scripts/offload.scm (lock-machine): Add 'hint' parameter.
      (unlock-machine): Remove 'machine' parameter.
      (with-machine-lock): Add 'hint' parameter, and pass it down.
      (process-request): Adjust uses of 'with-machine-lock' to pass the
      'bandwidth hint.

-----------------------------------------------------------------------

Summary of changes:
 guix/scripts/offload.scm |  142 +++++++++++++++++++++++++++++++++++----------
 1 files changed, 110 insertions(+), 32 deletions(-)


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