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Added a single source of SDL object IDs

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This ensures that we don't accidentally interpret an ID from one system as an ID in another system.
Audio device IDs are not covered here, since they have a unique numbering system.
This commit is contained in:
Sam Lantinga 2023-10-23 09:46:09 -07:00
parent e07f6c0a17
commit 38afd48daf
23 changed files with 37 additions and 50 deletions
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10
src/sensor/SDL_sensor.c
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@ -58,7 +58,6 @@ static SDL_AtomicInt SDL_sensor_lock_pending;
static int SDL_sensors_locked;
static SDL_bool SDL_sensors_initialized;
static SDL_Sensor *SDL_sensors SDL_GUARDED_BY(SDL_sensor_lock) = NULL;
static SDL_AtomicInt SDL_last_sensor_instance_id;
static char SDL_sensor_magic;
#define CHECK_SENSOR_MAGIC(sensor, retval) \
@ -218,15 +217,6 @@ SDL_SensorID *SDL_GetSensors(int *count)
return sensors;
}
/*
* Return the next available sensor instance ID
* This may be called by drivers from multiple threads, unprotected by any locks
*/
SDL_SensorID SDL_GetNextSensorInstanceID(void)
{
return SDL_AtomicIncRef(&SDL_last_sensor_instance_id) + 1;
}
/*
* Get the driver and device index for a sensor instance ID
* This should be called while the sensor lock is held, to prevent another thread from updating the list