Implementasi Proses

Implementasi Proses

Untuk mengimplementasikan model proses, sistem operasi menggunakan suatu tabel atau array yang disebut tabel proses dengan 1 entry per-proses. Setiap entry berisi tentang : status proses, program counter, stack pointer, alokasi memori, status file, informasi schedulling atau penjadwalan informasi, dll dari status kerja ke status siap.Contoh Tabel Proses :
Proses management
Memory management
File management
Register
Pointer to text segment
UMASK mask
Program counter
Pointer to data segment
Root directoy
Program status word
Pointer to bss segment
Working directory
Stack pointer
Exit status
File descriptiors
Process state
Signal status
Effective uid
Time when process started
Process id
Effective gid
CPU time used
Parent process
System call parameters
Children’s CPU time
Process group
Various flag bits
Time of next alarm
Real uid
Message queue pointers
Effective uid
Pending signal bits
Real gid
Process id
Effective gid
Various flag bits
Bit maps for signals
Various flag bits