SDL_SignalSemaphore

Atomically increment a semaphore's value and wake waiting threads.

Header File

Defined in <SDL3/SDL_mutex.h>

Syntax

void SDL_SignalSemaphore(SDL_Semaphore *sem);

Function Parameters

SDL_Semaphore *

sem

the semaphore to increment.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.2.0.

See Also

• SDL_TryWaitSemaphore
• SDL_WaitSemaphore
• SDL_WaitSemaphoreTimeout

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CategoryAPI, CategoryAPIFunction, CategoryMutex

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