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

SDL_LockSensors

Locking for multi-threaded access to the sensor API

Header File

Defined in SDL_sensor.h

Syntax

void SDL_LockSensors(void);

Remarks

If you are using the sensor API or handling events from multiple threads you should use these locking functions to protect access to the sensors.

In particular, you are guaranteed that the sensor list won't change, so the API functions that take a sensor index will be valid, and sensor events will not be delivered.

Version

This function is available since SDL 2.0.14.

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CategoryAPI, CategoryAPIFunction, CategorySensor

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