#pragma section-numbers off
#pragma disable-camelcase

= SDL_AtomicCAS =
Use this function to set an atomic variable to a new value if it is currently an old value.

<<TableOfContents()>>

== Syntax ==
{{{#!highlight cpp
SDL_bool SDL_AtomicCAS(SDL_atomic_t* a,
                       int           oldval,
                       int           newval)
}}}

== Function Parameters ==
||'''a'''||a pointer to an [[SDL_atomic_t]] variable to be modified||
||'''oldval'''||the old value||
||'''newval'''||the new value||

== Return Value ==
Returns SDL_TRUE if the atomic variable was set, SDL_FALSE otherwise.

== Code Examples ==
{{{#!highlight cpp
You can add your code example here
}}}

== Remarks ==
{i} Note: If you don't know what this function is for, you shouldn't use it!

== Version ==
This function is available since SDL 2.0.0.

== Related Functions ==
 .[[SDL_AtomicCASPtr]]
 .[[SDL_AtomicGet]]
 .[[SDL_AtomicSet]]

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[[CategoryAPI]], [[CategoryAtomic]]