77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
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#include <lib.h>
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#include <unistd.h>
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#include <timers.h>
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#include <minix/endpoint.h>
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#define getsysinfo _getsysinfo
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#define getsysinfo_up _getsysinfo_up
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#include <minix/sysinfo.h>
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#include <minix/const.h>
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#include <minix/ipc.h>
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#include <minix/com.h>
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#include <minix/sysinfo.h>
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#include <minix/config.h>
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#include <minix/type.h>
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#include <minix/const.h>
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#include <stdio.h>
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#include <machine/archtypes.h>
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#include "../../../kernel/proc.h"
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PUBLIC int getsysinfo(who, what, where)
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endpoint_t who; /* from whom to request info */
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int what; /* what information is requested */
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void *where; /* where to put it */
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{
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message m;
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m.m1_i1 = what;
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m.m1_p1 = where;
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if (_syscall(who, GETSYSINFO, &m) < 0) return(-1);
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return(0);
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}
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PUBLIC int minix_getkproctab(void *vpr, int nprocs, int assert)
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{
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int r, i, fail = 0;
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struct proc *pr = vpr;
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if((r=getsysinfo(PM_PROC_NR, SI_KPROC_TAB, pr)) < 0)
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return r;
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for(i = 0; i < nprocs; i++) {
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if(pr[i].p_magic != PMAGIC) {
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fail = 1;
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break;
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}
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}
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if(!fail)
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return 0;
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if(assert) {
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fprintf(stderr, "%s: process table failed sanity check.\n", getprogname());
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fprintf(stderr, "is kernel out of sync?\n");
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exit(1);
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}
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errno = ENOSYS;
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return -1;
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}
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/* Unprivileged variant of getsysinfo. */
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PUBLIC ssize_t getsysinfo_up(who, what, size, where)
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endpoint_t who; /* from whom to request info */
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int what; /* what information is requested */
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size_t size; /* input and output size */
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void *where; /* where to put it */
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{
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message m;
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m.SIU_WHAT = what;
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m.SIU_WHERE = where;
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m.SIU_LEN = size;
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return _syscall(who, GETSYSINFO_UP, &m);
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}
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