aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/libstore/build/local-derivation-goal.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index 2ba1b3f59..4cb43bc11 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -711,6 +711,7 @@ void LocalDerivationGoal::startBuilder()
if (!builderOut.readSide)
throw SysError("opening pseudoterminal master");
+ // FIXME: not thread-safe, use ptsname_r
std::string slaveName(ptsname(builderOut.readSide.get()));
if (buildUser) {