Add test demonstrating thread destruction bug

2025-08-30 15:45:44 -04:00
parent 935bab9454
commit dcf8af6d43
2 changed files with 113 additions and 0 deletions
--- a/src/metric.cpp
+++ b/src/metric.cpp
@@ -217,6 +217,9 @@ struct Metric {
  static Counter create_counter_instance(
      Family<Counter> *family,
      const std::vector<std::pair<std::string, std::string>> &labels) {
+    // Force thread_local initialization
+    (void)thread_init;
+
    std::unique_lock<std::mutex> _{mutex};
    LabelsKey key{labels};

@@ -262,6 +265,9 @@ struct Metric {
  static Histogram create_histogram_instance(
      Family<Histogram> *family,
      const std::vector<std::pair<std::string, std::string>> &labels) {
+    // Force thread_local initialization
+    (void)thread_init;
+
    std::unique_lock<std::mutex> _{mutex};
    LabelsKey key{labels};
    auto &ptr =