Fix tests [5] --filter=[core]

Author: matyhtf

core-tests/src/core/base.cpp

@@ -551,4 +551,7 @@ TEST(base, fork_fail) {
 
 TEST(base, undefined_behavior) {
     swoole_init();  // no effect
+    delete SwooleG.logger;
+    SwooleG.logger = nullptr;  // avoid double free in swoole_shutdown()
+    ASSERT_EQ(swoole_get_log_level(), SW_LOG_NONE);
 }

core-tests/src/coroutine/base.cpp

@@ -326,3 +326,29 @@ TEST(coroutine_base, bailout) {
     });
     ASSERT_EQ(WEXITSTATUS(status), 0);
 }
+
+TEST(coroutine_base, undefined_behavior) {
+    int status;
+    status = test::spawn_exec_and_wait([]() {
+        test::coroutine::run([](void *) {
+            swoole_fork(0);
+        });
+    });
+    ASSERT_EQ(1, WEXITSTATUS(status));
+
+    status = test::spawn_exec_and_wait([]() {
+        std::atomic<int> handle_count(0);
+        AsyncEvent event = {};
+        event.object = &handle_count;
+        event.callback = [](AsyncEvent *event) {  };
+        event.handler = [](AsyncEvent *event) { ++(*static_cast<std::atomic<int> *>(event->object)); };
+
+        swoole_event_init(0);
+        auto ret = async::dispatch(&event);
+        ASSERT_NE(ret, nullptr);
+        swoole_fork(0);
+    });
+    ASSERT_EQ(1, WEXITSTATUS(status));
+
+    ASSERT_EQ(0, swoole_fork(SW_FORK_PRECHECK));
+}

run-core-tests.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 __DIR__=$(cd "$(dirname "$0")" || exit;pwd)
 
+export ASAN_OPTIONS=detect_leaks=0
+echo 0 > /proc/sys/kernel/randomize_va_space
+
 ipcs -q
 
 cd "${__DIR__}"/core-tests/js || exit 1

src/core/base.cc

@@ -341,8 +341,7 @@ pid_t swoole_fork(int flags) {
         }
         if (SwooleTG.async_threads) {
             swoole_trace("aio_task_num=%lu, reactor=%p", SwooleTG.async_threads->task_num, sw_reactor());
-            swoole_fatal_error(SW_ERROR_OPERATION_NOT_SUPPORT,
-                               "can not create server after using async file operation");
+            swoole_fatal_error(SW_ERROR_OPERATION_NOT_SUPPORT, "can not fork after using async-threads");
         }
     }
     if (flags & SW_FORK_PRECHECK) {