39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* This table has one slot per process. It contains scheduling information
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* for each process.
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*/
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#include <limits.h>
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#include <minix/bitmap.h>
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/* EXTERN should be extern except in main.c, where we want to keep the struct */
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#ifdef _MAIN
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#undef EXTERN
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#define EXTERN
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#endif
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#ifndef CONFIG_SMP
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#define CONFIG_MAX_CPUS 1
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#endif
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/**
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* We might later want to add more information to this table, such as the
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* process owner, process group or cpumask.
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*/
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EXTERN struct schedproc {
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endpoint_t endpoint; /* process endpoint id */
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endpoint_t parent; /* parent endpoint id */
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unsigned flags; /* flag bits */
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/* User space scheduling */
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unsigned max_priority; /* this process' highest allowed priority */
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unsigned priority; /* the process' current priority */
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unsigned time_slice; /* this process's time slice */
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unsigned cpu; /* what CPU is the process running on */
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bitchunk_t cpu_mask[BITMAP_CHUNKS(CONFIG_MAX_CPUS)]; /* what CPUs is the
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process allowed
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to run on */
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} schedproc[NR_PROCS];
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/* Flag values */
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#define IN_USE 0x00001 /* set when 'schedproc' slot in use */
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