(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

Draft

THIS PAGE IS A WORK IN PROGRESS ... Please make edits to this page to improve it!

SDL_TLSCreate

Create a piece of thread-local storage.

Syntax

SDL_TLSID SDL_TLSCreate(void);

Return Value

Returns the newly created thread local storage identifier or 0 on error.

Remarks

This creates an identifier that is globally visible to all threads but refers to data that is thread-specific.

Version

This function is available since SDL 3.0.0.

Code Examples

static SDL_SpinLock tls_lock;
static SDL_TLSID thread_local_storage;

void SetMyThreadData(void *value)
{
    if (!thread_local_storage) {
        SDL_AtomicLock(&tls_lock);
        if (!thread_local_storage) {
            thread_local_storage = SDL_TLSCreate();
        }
        SDL_AtomicUnlock(&tls_lock);
    }
    SDL_TLSSet(thread_local_storage, value, 0);
}

void *GetMyThreadData(void)
{
    return SDL_TLSGet(thread_local_storage);
}

Related Functions

• SDL_TLSGet
• SDL_TLSSet

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CategoryAPI, CategoryThread, CategoryDraft

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