October 2000
Intermediate to advanced
704 pages
18h 44m
English
Content preview from Solaris™ Internals: Core Kernel Components
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8.4. Process Creation
All processes in Solaris are created with the traditional fork/exec UNIX process creation model that was part of the original UNIX design and is still implemented in virtually every version of UNIX in existence today. The only exceptions in the Solaris environment are the creation of four system daemons at startup, PIDs 0 through 3: the memory scheduler (sched, PID 0), init (PID 1), the pageout daemon (PID 2), and fsflush (PID 3). These processes are created by an internal kernel newproc() function. The mechanics of process creation are illustrated in Figure 8.12.
Figure 8.12. Process Creation
The fork(2) and exec(2) system ...
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