(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_AtomicDecRef

Decrement an atomic variable used as a reference count.

Header File

Defined in <SDL3/SDL_atomic.h>

Syntax

#define SDL_AtomicDecRef(a)    (SDL_AddAtomicInt(a, -1) == 1)

Macro Parameters

a	a pointer to an SDL_AtomicInt to increment.

Return Value

Returns true if the variable reached zero after decrementing, false otherwise.

Remarks

Note: If you don't know what this macro is for, you shouldn't use it!

Thread Safety

It is safe to call this macro from any thread.

Version

This macro is available since SDL 3.1.3.

See Also

• SDL_AtomicIncRef

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CategoryAPI, CategoryAPIMacro, CategoryAtomic

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