INNER CODE UNIT · Python

check_and_create_lock_file

Matteo842/SaveState · main.py:212

def check_and_create_lock_file() -> tuple:
    """Check if another instance is running via lock file. Returns (is_first_instance, lock_file_path).
    
    On Linux, this provides an additional layer of single-instance detection
    that survives crashes better than QSharedMemory alone.
    """
    if platform.system() != "Linux":
        return (True, None)  # On non-Linux, skip file lock
    
    lock_path = get_lock_file_path()
    current_pid = os.getpid()
    
    try:
        # Check if lock file exists and contains a valid PID
        if os.path.exists(lock_path):
            try:
                with open(lock_path, 'r') as f:
                    content = f.read().strip()

View source record →