21 lines
761 B
C
21 lines
761 B
C
/* Constants used by the Process Manager. */
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#define NO_MEM ((phys_clicks) 0) /* returned by alloc_mem() with mem is up */
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#if (CHIP == INTEL && _WORD_SIZE == 2)
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/* These definitions are used in size_ok and are not needed for 386.
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* The 386 segment granularity is 1 for segments smaller than 1M and 4096
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* above that.
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*/
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#define PAGE_SIZE 16 /* how many bytes in a page (s.b.HCLICK_SIZE)*/
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#define MAX_PAGES 4096 /* how many pages in the virtual addr space */
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#endif
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#define NR_PIDS 30000 /* process ids range from 0 to NR_PIDS-1.
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* (magic constant: some old applications use
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* a 'short' instead of pid_t.)
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*/
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#define PM_PID 0 /* PM's process id number */
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#define INIT_PID 1 /* INIT's process id number */
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