SDL_SetAtomicU32(3)

✨ SDL_SetAtomicU32 ✨

okay bestie, welcome to the SDL3 FUNCTIONS corner of the manual, where today's main character is SDL_SetAtomicU32 💅

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🌸 NAME 🌸

SDL_SetAtomicU32 — set an atomic variable to a value, no drama, no cap 🫶

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🎀 SYNOPSIS 🎀

#include <SDL3/SDL_atomic.h>

Uint32 SDL_SetAtomicU32(SDL_AtomicU32 *a, Uint32 v);

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💖 DESCRIPTION 💖

So like, this function sets your atomic variable to a value. That's the whole vibe. iconic 🦋

But the way that this function ALSO acts as a full memory barrier?? yes, she's doing double duty, she's got main character energy AND a job ✨

⚠️ Note: if you don't know what this function is for, you shouldn't use it! like genuinely, bestie, this is not the time to experiment 🙈

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🍓 FUNCTION PARAMETERS 🍓

• a — a pointer to an SDL_AtomicU32 variable to be modified. she's the one getting changed 💜
• v — the desired value. the glow-up she's getting 🌈

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⭐ RETURN VALUE ⭐

Returns the previous value of the atomic variable. like, she'll tell you what she looked like before, lowkey nostalgic 😭

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🧚 THREAD SAFETY 🧚

It is safe to call this function from any thread. every thread is welcome at this sleepover, no gatekeeping 👑

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🌸 AVAILABILITY 🌸

This function is available since SDL 3.2.0. so if you're on anything older... ngl, you're out of luck 💀

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🔥 SEE ALSO 🔥

• SDL_GetAtomicU32(3) — her other half, the reader to her writer, the duo fr fr 🫶

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mwah 💋 that's the page! brought to you by Simple Directmedia Layer, running on SDL 3.4.18 — go forth and atomically set things, bestie, and remember: memory barriers are self-care 🌸✨🎀