deprecate set_ring_size()

include/condy/ring_settings.hpp

@@ -252,8 +252,10 @@ class RingSettings {
     /**
      * @brief Resize the rings of the io_uring instance.
      * @details See io_uring_resize_rings for more details.
+     * @deprecated Unsafe during CQE processing; use RuntimeOptions instead.
      * @param params Pointer to the io_uring_params structure.
      */
+    [[deprecated("unsafe during CQE processing, use RuntimeOptions")]]
     int set_rings_size(io_uring_params *params) noexcept {
         return io_uring_resize_rings(&ring_, params);
     }

tests/test_ring_settings.cpp

@@ -94,30 +94,6 @@ TEST_CASE("test ring_settings - clock") {
 }
 #endif
 
-#if !IO_URING_CHECK_VERSION(2, 9) // >= 2.9
-TEST_CASE("test ring_settings - rings_size") {
-    // Defer taskrun is required
-    condy::Runtime runtime(condy::RuntimeOptions().enable_defer_taskrun());
-
-    auto func = [&]() -> condy::Coro<void> {
-        for (int i = 0; i < 5; i++) {
-            co_await condy::async_nop();
-        }
-        auto &settings = runtime.settings();
-        io_uring_params params = {};
-        params.sq_entries = 2;
-        params.cq_entries = 4;
-        // Set at runtime is ok
-        REQUIRE(settings.set_rings_size(&params) == 0);
-        for (int i = 0; i < 5; i++) {
-            co_await condy::async_nop();
-        }
-    };
-
-    condy::sync_wait(runtime, func());
-}
-#endif
-
 #if !IO_URING_CHECK_VERSION(2, 10) // >= 2.10
 TEST_CASE("test ring_settings - iowait") {
     condy::Runtime runtime;