操作系統(tǒng)原理課程設(shè)計(jì)報(bào)告(編輯修改稿)
2025-02-14 23:43 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 時(shí)間片長(zhǎng)=cut；current=rear?N Y 就緒隊(duì)列為空？結(jié)束YN 執(zhí)行current所指的程序currnet=front+1。Systemtime=Systemtime+ Serveredtime[current]將此程序退出緒列Front++Systemtime=Systemtime+ cutSreachPCB()。將rtimesystemtime的程序插入就緒隊(duì)列current++(指向就緒隊(duì)列下一個(gè)程序)多級(jí)反饋隊(duì)列算法示意流程圖：YN Ycurrent=rear?Serveredtime[current]cutServeredtime[current]cutSreachPCB()。將rtimesystemtime的程序插入就緒隊(duì)列前面隊(duì)列全部為空？NNumofqueue=非空隊(duì)列列號(hào)執(zhí)行CurrentPCBQueue[numofqueue]current所指的程序 cut=numofqueueSystemtime=Systemtime+ Serveredtime[current]將此程序退出緒列Systemtime=Systemtime+ cut退出第numofqueue隊(duì)列，插到下一隊(duì)列的末尾N current++(指向就緒隊(duì)列下一個(gè)程序) Numofqueue++ current=front+1
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