2.chap2 process

CHÖÔNG 2 : QUAÙ TRÌNH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QUAÙ TRÌNH ( PROCESS ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CAÁU TRUÙC PROCESS CUÛA UNIX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],argc/argv[] Stack segment Text segment Low address High address etext edata end Initialized data Uninitialized data ,[object Object]

KHOÁI ÑIEÀU KHIEÅN QUAÙ TRÌNH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TRAÏNG THAÙI QUAÙ TRÌNH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CHUYEÅN TRAÏNG THAÙI QUAÙ TRÌNH Exited READY RUNNING BLOCKED Dispatch Timer run-out Wake-up Block New

CAÙC HAØNG ÑÔÏI QUAÙ TRÌNH JOB QUEUE READY QUEUE CPU I/O WAITING QUEUE enter end

BOÄ ÑÒNH THÔØI ( SCHEDULER ) JOB QUEUE READY QUEUE CPU I/O WAITING QUEUE enter end High-level scheduler Low-level scheduler

TRAÏNG THAÙI TREO ( SUSPENDED ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

LÖÔÏC ÑOÀ CHUYEÅN TRAÏNG THAÙI Suspend Resume READY RUNNING BLOCKED Dispatch Timer run-out Wake-up Block New Exited SUSPENDED READY SUSPENDED BLOCKED Wake-up

TAÙC VUÏ TREÂN QUAÙ TRÌNH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

NGAÉT QUAÕNG ( INTERRUPT ) ,[object Object],[object Object],Interrupt Trình xöû lyù interrupt

CAÙC BÖÔÙC XÖÛ LYÙ INTERRUPT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CAÙC LOAÏI INTERRUPT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CHUYEÅN NGÖÕ CAÛNH ( CONTEXT SWITCHING ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CHUYEÅN NGÖÕ CAÛNH ( CONTEXT SWITCHING ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BAØI TAÄP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

2.chap2 process

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2.chap2 process