STRUCT KUNIT_TRY_CATCH(9)

🌸 struct kunit_try_catch(9) 🌸

ok so bestie, welcome to the Kernel API Manual entry for struct kunit_try_catch — yes the whole page is named after it, it's that girl 💅

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✨ NAME ✨

struct kunit_try_catch — gives you a generic way to run code that might just... fail on you 😭 like it's literally a built-in safety net for when things go sideways

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🦋 SYNOPSIS 🦋

struct kunit_try_catch {
};

not me showing you an empty struct 💀 that's genuinely the whole thing, no cap. the magic lives in the description, not the members.

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🎀 Members 🎀

so... there are none listed here 😭 the page just moves straight on. iconic behavior honestly.

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👑 Description 👑

okay so here's the tea ☕ — kunit_try_catch gives you a generic, architecture independent way to execute an arbitrary function of type kunit_try_catch_func_t which may bail out by calling kunit_try_catch_throw. and if kunit_try_catch_throw is called? try is stopped at the site of invocation and catch is called. that's the whole dynamic duo 🫶

struct kunit_try_catch provides a generic interface for the functionality needed to implement kunit->abort — which in turn is needed for implementing assertions. lowkey it's giving infrastructure for the infrastructure, iykyk 🧚

and speaking of assertions: assertions let you state a precondition for a test, which simplifies how test cases are written and presented. it's giving clean and organized ✨

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🔥 assertions vs. expectations, explained 🔥

Assertions are like expectations, except they abort (they call kunit_try_catch_throw) when the specified condition is not met. this is useful when you look at a test case as a logical statement about some piece of code 💭 — where assertions are the premises for the test case, and the conclusion is a set of predicates (rather, expectations) that must all be true.

and if your premises are violated? it does not make sense to continue. periodt. 💀 literally no point, bestie, the whole thing's cooked.

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⭐ SEE ALSO ⭐

• Kernel file ./include/kunit/try-catch.h — go read it, it slays 💖

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that's the whole page, bestie, you ate that 🍓 this one's from ./include/kunit — version vibes, October 2026 — and it's filed under struct kunit_try_catch(9). now go write some assertions with main character energy 👑✨