Print controller with function for guaranteeing the order of print requests received, and a control method, a recoding medium, and a program for the same controller

A method of controlling an order of occupancy of a printer, comprising:

• a first decision step for receiving an occupancy request to occupy a printer controller from an information processing apparatus and deciding whether to permit or refuse occupancy;
• a first response step for returning a response showing permission or refusal of said occupancy based on a decision by said first decision step;
• and
• a registration step for registering an identifier to identify a source of said occupancy request when a decision is made to refuse occupancy by said first decision step, and
• a second decision step, wherein, after a decision has been made to refuse occupancy, according to release of occupancy, when an occupancy request accompanied by said identifier is received, a decision is made to permit occupancy, and when an occupancy request without said identifier is received, a decision is made to refuse occupancy.

A computer readable medium containing computer-executable instructions for causing a computer to execute a control method for controlling an order of occupancy of a printer, the medium comprising:

• instructions for a first decision step for receiving an occupancy request to occupy a printer controller from an information processing apparatus and deciding whether to permit or refuse occupancy;
• instructions for a first response step for returning a response showing permission or refusal of said occupancy based on a decision by said first decision step;
• and
• instructions for a registration step for registering an identifier to identify a source of said occupancy request when a decision is made to refuse occupancy by said first decision step, and
• instructions for a second decision step, wherein, after a decision has been made to refuse occupancy, according to release of occupancy, when an occupancy request accompanied by said identifier is received, a decision is made to permit occupancy, and when an occupancy request without said identifier is received, a decision is made to refuse occupancy.

A program for causing a computer to execute a control method for controlling an order of occupancy of a printer, the program comprising:

• instructions for a first decision step for receiving an occupancy request to occupy a printer controller from an information processing apparatus and deciding whether to permit or refuse occupancy;
• instructions for a first response step for returning a response showing permission or refusal of said occupancy based on a decision by said first decision step;
• and
• instructions for a registration step for registering an identifier to identify a source of said occupancy request when a decision is made to refuse occupancy by said first decision step, and
• instructions for a second decision step, wherein, after a decision has been made to refuse occupancy, according to release of occupancy, when an occupancy request accompanied by said identifier is received, a decision is made to permit occupancy, and when an occupancy request without said identifier is received, a decision is made to refuse occupancy.