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Material Type: Notes; Professor: Ali; Class: Operating Systems; Subject: Computer Science; University: Virginia Polytechnic Institute And State University; Term: Unknown 1989;
Typology: Study notes
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^ ^
^ ^
^
OS AddressSpace ( ^
)* ControlUnit OS interface
PCPUi^ P Executablei^ Memory
,^ -
ApplicationProgram CreateThread()^ fork()CreateProcess()CloseHandle()wait()exec()WaitForSingleObject() File Mgr^ File Mgr Device Mgr^ Device Mgr Process Mgr^ Process Mgr Memory Mgr^ Memory Mgr UNIX^ Windows Hardware
4
6
OS interface
89
)^ AddressAddressSpaceBinding Process
ExecutableMemory^ Files^ Other objects
88
8"
)*
Application Program User ModeInstructions User ModeInstructions
Abstract Machine Instructions Trap^ fork()Instructionopen()^ create()^ OS Supervisor ModeInstructions
8(
Executable Memory^1 Initialization^ ProcessManager^ InterruptHandler^2 P^1 P^2 P^ n
3 4 5 (^78) Interrupt 9 6
8
84
87
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