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* Fix and simplify the garbage collector (it's still not concurrent,

Browse source 
though).  In particular it's now much easier to register a GC root.
  Just place a symlink to whatever store path it is that you want to
  keep in /nix/var/nix/gcroots.
This commit is contained in:
Eelco Dolstra 2005-01-27 15:21:29 +00:00
parent 59682e6188
commit c505702265
10 changed files with 124 additions and 109 deletions
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4
src/libstore/build.cc
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@ -458,7 +458,7 @@ void DerivationGoal::haveStoreExpr()
i != invalidOutputs.end(); ++i)
/* Don't bother creating a substitution goal if there are no
substitutes. */
if (querySubstitutes(*i).size() > 0)
if (querySubstitutes(noTxn, *i).size() > 0)
addWaitee(worker.makeSubstitutionGoal(*i));
if (waitees.empty()) /* to prevent hang (no wake-up event) */
@ -1315,7 +1315,7 @@ void SubstitutionGoal::init()
}
/* Read the substitutes. */
subs = querySubstitutes(storePath);
subs = querySubstitutes(noTxn, storePath);
/* To maintain the closure invairant, we first have to realise the
paths referenced by this one. */