diff options
Diffstat (limited to 'third_party/nix/src/nix/installables.cc')
| -rw-r--r-- | third_party/nix/src/nix/installables.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/third_party/nix/src/nix/installables.cc b/third_party/nix/src/nix/installables.cc index 80c5ddb68b..cc001d37f3 100644 --- a/third_party/nix/src/nix/installables.cc +++ b/third_party/nix/src/nix/installables.cc @@ -1,6 +1,8 @@ #include <regex> #include <utility> +#include <gc/gc.h> + #include "libexpr/attr-path.hh" #include "libexpr/common-eval-args.hh" #include "libexpr/eval-inline.hh" @@ -24,12 +26,15 @@ SourceExprCommand::SourceExprCommand() { Value* SourceExprCommand::getSourceExpr(EvalState& state) { if (vSourceExpr != nullptr) { - return vSourceExpr; + return vSourceExpr.get(); } auto sToplevel = state.symbols.Create("_toplevel"); - vSourceExpr = state.allocValue(); + // Allocate the vSourceExpr Value as uncollectable. Boehm GC doesn't + // consider the member variable "alive" during execution causing it to be + // GC'ed in the middle of evaluation. + vSourceExpr = std::allocate_shared<Value>(traceable_allocator<Value>()); if (!file.empty()) { state.evalFile(lookupFileArg(state, file), *vSourceExpr); @@ -74,7 +79,7 @@ Value* SourceExprCommand::getSourceExpr(EvalState& state) { } } - return vSourceExpr; + return vSourceExpr.get(); } ref<EvalState> SourceExprCommand::getEvalState() { |