(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_AtomicTryLock

Try to lock a spin lock by setting it to a non-zero value.

Header File

Defined in SDL_atomic.h

Syntax

SDL_bool SDL_AtomicTryLock(SDL_SpinLock *lock);

Function Parameters

SDL_SpinLock *

lock

a pointer to a lock variable.

Return Value

(SDL_bool) Returns SDL_TRUE if the lock succeeded, SDL_FALSE if the lock is already held.

Remarks

Please note that spinlocks are dangerous if you don't know what you're doing. Please be careful using any sort of spinlock!

Version

This function is available since SDL 2.0.0.

See Also

• SDL_AtomicLock
• SDL_AtomicUnlock

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CategoryAPI, CategoryAPIFunction, CategoryAtomic

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