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attic/nix_store: Only initialize Nix once

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This commit is contained in:
Zhaofeng Li 2023-02-06 19:39:10 -07:00
parent 365d739bca
commit fce89f4c95
2 changed files with 11 additions and 1 deletions
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11
attic/src/nix_store/bindings/nix.cpp
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@ -10,6 +10,9 @@
#include "attic/src/nix_store/bindings/nix.hpp"
static std::mutex g_init_nix_mutex;
static bool g_init_nix_done = false;
static nix::StorePath store_path_from_rust(RBasePathSlice base_name) {
std::string_view sv((const char *)base_name.data(), base_name.size());
return nix::StorePath(sv);
@ -76,7 +79,13 @@ RString CPathInfo::ca() {
CNixStore::CNixStore() {
std::map<std::string, std::string> params;
nix::initNix();
std::lock_guard<std::mutex> lock(g_init_nix_mutex);
if (!g_init_nix_done) {
nix::initNix();
g_init_nix_done = true;
}
this->store = nix::openStore("auto", params);
}

1
attic/src/nix_store/bindings/nix.hpp
View file

@ -11,6 +11,7 @@
#pragma once
#include <iostream>
#include <memory>
#include <mutex>
#include <set>
#include <nix/store-api.hh>
#include <nix/local-store.hh>