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Fix deadlock in RemoteStore::queryPathInfoUncached()

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This commit is contained in:
Eelco Dolstra 2018-04-09 21:26:16 +02:00
parent 7d21863bb3
commit a4c1618876
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GPG key ID: 8170B4726D7198DE
1 changed files with 28 additions and 25 deletions
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5
src/libstore/remote-store.cc
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@ -297,6 +297,8 @@ void RemoteStore::queryPathInfoUncached(const Path & path,
Callback<std::shared_ptr<ValidPathInfo>> callback)
{
try {
std::shared_ptr<ValidPathInfo> info;
{
auto conn(connections->get());
conn->to << wopQueryPathInfo << path;
try {
@ -311,7 +313,7 @@ void RemoteStore::queryPathInfoUncached(const Path & path,
bool valid; conn->from >> valid;
if (!valid) throw InvalidPath(format("path '%s' is not valid") % path);
}
auto info = std::make_shared<ValidPathInfo>();
info = std::make_shared<ValidPathInfo>();
info->path = path;
info->deriver = readString(conn->from);
if (info->deriver != "") assertStorePath(info->deriver);
@ -323,6 +325,7 @@ void RemoteStore::queryPathInfoUncached(const Path & path,
info->sigs = readStrings<StringSet>(conn->from);
conn->from >> info->ca;
}
}
callback(std::move(info));
} catch (...) { callback.rethrow(); }
}