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store: Add comments for the %stderr constants. 

* guix/store.scm (process-stderr): Add comments for the various
  constants, to help when stracing.
This commit is contained in:
Ludovic Courtès 2014-01-09 23:59:07 +01:00
parent 59f734f351
commit 5674a3fdb6
1 changed files with 5 additions and 5 deletions
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10
guix/store.scm
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@ -360,11 +360,11 @@ encoding conversion errors."
(nix-server-socket server))
;; magic cookies from worker-protocol.hh
(define %stderr-next #x6f6c6d67)
(define %stderr-read #x64617461) ; data needed from source
(define %stderr-write #x64617416) ; data for sink
(define %stderr-last #x616c7473)
(define %stderr-error #x63787470)
(define %stderr-next #x6f6c6d67) ; "olmg", build log
(define %stderr-read #x64617461) ; "data", data needed from source
(define %stderr-write #x64617416) ; "dat\x16", data for sink
(define %stderr-last #x616c7473) ; "alts", we're done
(define %stderr-error #x63787470) ; "cxtp", error reporting
(let ((k (read-int p)))
(cond ((= k %stderr-write)