/* SPDX-License-Identifier: GPL-2.0 *//* * KUnit API allowing dynamic analysis tools to interact with KUnit tests * * Copyright (C) 2020, Google LLC. * Author: Uriel Guajardo <urielguajardo@google.com> */ #ifndef _KUNIT_TEST_BUG_H#define _KUNIT_TEST_BUG_H #if IS_BUILTIN(CONFIG_KUNIT) #include <linux/jump_label.h> /* For static branch */#include <linux/sched.h> /* Static key if KUnit is running any tests. */DECLARE_STATIC_KEY_FALSE(kunit_running); /** * kunit_get_current_test() - Return a pointer to the currently running *			      KUnit test. * * If a KUnit test is running in the current task, returns a pointer to its * associated struct kunit. This pointer can then be passed to any KUnit * function or assertion. If no test is running (or a test is running in a * different task), returns NULL. * * This function is safe to call even when KUnit is disabled. If CONFIG_KUNIT * is not enabled, it will compile down to nothing and will return quickly no * test is running. */static inline struct kunit *kunit_get_current_test(void){	if (!static_branch_unlikely(&kunit_running))		return NULL; 	return current->kunit_test;}  /** * kunit_fail_current_test() - If a KUnit test is running, fail it. * * If a KUnit test is running in the current task, mark that test as failed. * * This macro will only work if KUnit is built-in (though the tests * themselves can be modules). Otherwise, it compiles down to nothing. */#define kunit_fail_current_test(fmt, ...) do {					\		if (static_branch_unlikely(&kunit_running)) {			\			__kunit_fail_current_test(__FILE__, __LINE__,		\						  fmt, ##__VA_ARGS__);		\		}								\	} while (0)  extern __printf(3, 4) void __kunit_fail_current_test(const char *file, int line,						    const char *fmt, ...); #else static inline struct kunit *kunit_get_current_test(void) { return NULL; } /* We define this with an empty helper function so format string warnings work */#define kunit_fail_current_test(fmt, ...) \		__kunit_fail_current_test(__FILE__, __LINE__, fmt, ##__VA_ARGS__) static inline __printf(3, 4) void __kunit_fail_current_test(const char *file, int line,							    const char *fmt, ...){} #endif #endif /* _KUNIT_TEST_BUG_H */