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9bbb11c6be
Define function as static inline in try-catch-impl.h to allow it to be used in kunit itself and tests. Also remove unused kunit_generic_try_catch Co-developed-by: Knut Omang <knut.omang@oracle.com> Signed-off-by: Knut Omang <knut.omang@oracle.com> Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* An API to allow a function, that may fail, to be executed, and recover in a
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* controlled manner.
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*
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* Copyright (C) 2019, Google LLC.
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* Author: Brendan Higgins <brendanhiggins@google.com>
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*/
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#ifndef _KUNIT_TRY_CATCH_H
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#define _KUNIT_TRY_CATCH_H
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#include <linux/types.h>
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typedef void (*kunit_try_catch_func_t)(void *);
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struct completion;
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struct kunit;
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/**
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* struct kunit_try_catch - provides a generic way to run code which might fail.
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* @test: The test case that is currently being executed.
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* @try_completion: Completion that the control thread waits on while test runs.
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* @try_result: Contains any errno obtained while running test case.
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* @try: The function, the test case, to attempt to run.
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* @catch: The function called if @try bails out.
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* @context: used to pass user data to the try and catch functions.
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*
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* kunit_try_catch provides a generic, architecture independent way to execute
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* an arbitrary function of type kunit_try_catch_func_t which may bail out by
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* calling kunit_try_catch_throw(). If kunit_try_catch_throw() is called, @try
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* is stopped at the site of invocation and @catch is called.
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*
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* struct kunit_try_catch provides a generic interface for the functionality
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* needed to implement kunit->abort() which in turn is needed for implementing
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* assertions. Assertions allow stating a precondition for a test simplifying
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* how test cases are written and presented.
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*
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* Assertions are like expectations, except they abort (call
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* kunit_try_catch_throw()) when the specified condition is not met. This is
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* useful when you look at a test case as a logical statement about some piece
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* of code, where assertions are the premises for the test case, and the
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* conclusion is a set of predicates, rather expectations, that must all be
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* true. If your premises are violated, it does not makes sense to continue.
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*/
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struct kunit_try_catch {
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/* private: internal use only. */
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struct kunit *test;
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struct completion *try_completion;
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int try_result;
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kunit_try_catch_func_t try;
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kunit_try_catch_func_t catch;
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void *context;
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};
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void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context);
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void __noreturn kunit_try_catch_throw(struct kunit_try_catch *try_catch);
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static inline int kunit_try_catch_get_result(struct kunit_try_catch *try_catch)
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{
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return try_catch->try_result;
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}
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#endif /* _KUNIT_TRY_CATCH_H */
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