[libc-commits] [libc] [libc] Reset thread-specific key value before invoking destructor (PR #226134)

[Pavel Labath via libc-commits]

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@@ -161,11 +162,20 @@ void call_atexit_callbacks() {
   atexit_callback_mgr.call();
 
   // Thread-specific keys (pthread_key_create).
-  for (size_t i = 0; i < TSS_KEY_COUNT; ++i) {
-    TSSValueUnit &unit = tss_values[i];
-    // Both dtor and value need to nonnull to call dtor
-    if (unit.dtor != nullptr && unit.payload != nullptr)
-      unit.dtor(unit.payload);
+  for (size_t iter = 0; iter < PTHREAD_DESTRUCTOR_ITERATIONS; ++iter) {
+    bool called_dtor = false;
+    for (size_t i = 0; i < TSS_KEY_COUNT; ++i) {
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labath wrote:

Indeed. Done.

https://github.com/llvm/llvm-project/pull/226134