Function sys_mutex_unlock

os/src/syscall/sync.rs:47–55

(mutex_id: usize)

}

pub fn sys_mutex_unlock(mutex_id: usize) -> isize {
    let process = current_process();
    let process_inner = process.inner_exclusive_access();
    let mutex = Arc::clone(process_inner.mutex_list[mutex_id].as_ref().unwrap());
    drop(process_inner);
    drop(process);
    mutex.unlock();
    0
}

pub fn sys_semaphore_create(res_count: usize) -> isize {
    let process = current_process();