Function furi_thread_set_state_callback 

pub unsafe extern "C" fn furi_thread_set_state_callback(
    thread: *mut FuriThread,
    callback: FuriThreadStateCallback,
)

Set the callback function to be executed upon a state thransition of a FuriThread.

The thread MUST be stopped when calling this function.

Arguments

• thread (direction in, out) - pointer to the FuriThread instance to be modified
• callback (direction in) - pointer to a user-specified callback function