| 摘要 |
<p>PURPOSE:To eliminate the danger that the power source cannot be turned off caused by a program trouble by having the timing function of a time at a hardware and turning off the power source with a hardware after a setting time passes. CONSTITUTION:When a system program receives the information of the turning- off of a power source by the interruption from a means to inform of the information that a power source switch is turned off, a control program decides the presence and absence of a job during the action. The timing of a time is started, when the job is present, the job is deleted, the completion processing routine of an operating system is called and the completion processing is executed. Thereafter, it is decided whether or not the power source can be turned off, and when it can be turned off, the power source is turned off and completion is executed. When the power source cannot be turned off by the software, it is decided whether or not the setting time passes, and when it passes, the power source is turned off by the hardware.</p> |
