====== (This is the documentation for SDL3, which is under heavy development and the API is changing! [https://wiki.libsdl.org/SDL2/ SDL2] is the current stable version!) ======
= SDL_CreateCond =

Create a condition variable.

== Syntax ==

<syntaxhighlight lang='c'>
SDL_cond* SDL_CreateCond(void);
</syntaxhighlight>

== Return Value ==

Returns a new condition variable or NULL on failure; call
[[SDL_GetError]]() for more information.

== Version ==

This function is available since SDL 3.0.0.

== Code Examples ==

Typical use of condition variables:

<syntaxhighlight lang='c++'>
SDL_bool condition = SDL_FALSE;
SDL_mutex *lock;
SDL_cond *cond;

lock = SDL_CreateMutex();
cond = SDL_CreateCond();
.
.
Thread A:
    SDL_LockMutex(lock);
    while (!condition) {
        SDL_CondWait(cond, lock);
    }
    SDL_UnlockMutex(lock);

Thread B:
    SDL_LockMutex(lock);
    ...
    condition = SDL_TRUE;
    ...
    SDL_CondSignal(cond);
    SDL_UnlockMutex(lock);
.
.
SDL_DestroyCond(cond);
SDL_DestroyMutex(lock);
</syntaxhighlight>

== Related Functions ==

:[[SDL_CondBroadcast]]
:[[SDL_CondSignal]]
:[[SDL_CondWait]]
:[[SDL_CondWaitTimeout]]
:[[SDL_DestroyCond]]

----
[[CategoryAPI]], [[CategoryMutex]]