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authorEelco Dolstra <eelco.dolstra@logicblox.com>2014-02-27T12·31+0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2014-02-27T12·34+0100
commit29cde917fe6b8f2e669c8bf10b38f640045c83b8 (patch)
treed9349115bb950e40c314c84489aa761a9ee55f3a /src/libstore
parent7c7707638a446f91893cdc21b9e0638d2ebd42d3 (diff)
Fix deadlock in SubstitutionGoal
We were relying on SubstitutionGoal's destructor releasing the lock,
but if a goal is a top-level goal, the destructor won't run in a
timely manner since its reference count won't drop to zero.  So
release it explicitly.

Fixes #178.
Diffstat (limited to 'src/libstore')
-rw-r--r--src/libstore/build.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index e2115bc80215..cec03fee42a4 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -2852,6 +2852,7 @@ void SubstitutionGoal::finished()
     worker.store.registerValidPath(info2);
 
     outputLock->setDeletion(true);
+    outputLock.reset();
 
     worker.store.markContentsGood(storePath);