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Use RecursiveMutex to fix a race condition with parapoly records

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This commit is contained in:
gingerBill
2025-09-26 10:18:46 +01:00
parent 42b9039a1f
commit 01c10f3f5e
5 changed files with 16 additions and 8 deletions
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src/check_type.cpp
+3 -2
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@@ -312,6 +312,7 @@ gb_internal void add_polymorphic_record_entity(CheckerContext *ctx, Ast *node, T
e->state = EntityState_Resolved;
e->file = ctx->file;
e->pkg = pkg;
e->TypeName.original_type_for_parapoly = original_type;
add_entity_use(ctx, node, e);
}
@@ -321,8 +322,8 @@ gb_internal void add_polymorphic_record_entity(CheckerContext *ctx, Ast *node, T
e->TypeName.objc_metadata = original_type->Named.type_name->TypeName.objc_metadata;
auto *found_gen_types = ensure_polymorphic_record_entity_has_gen_types(ctx, original_type);
rw_mutex_lock(&found_gen_types->mutex);
defer (rw_mutex_unlock(&found_gen_types->mutex));
mutex_lock(&found_gen_types->mutex);
defer (mutex_unlock(&found_gen_types->mutex));
for (Entity *prev : found_gen_types->types) {
if (prev == e) {