-/* kern_resource.c 4.11 82/08/22 */
+/* kern_resource.c 4.12 82/09/04 */
#include "../h/param.h"
#include "../h/systm.h"
#include "../h/seg.h"
#include "../h/fs.h"
#include "../h/uio.h"
+#include "../h/vm.h"
+
+getpriority()
+{
+ register struct a {
+ int which;
+ int who;
+ } *uap = (struct a *)u.u_ap;
+ register struct proc *p;
+
+ u.u_r.r_val1 = NZERO+20;
+ u.u_error = ESRCH;
+ switch (uap->which) {
+
+ case PRIO_PROCESS:
+ if (uap->who == 0)
+ p = u.u_procp;
+ else
+ p = pfind(uap->who);
+ if (p == 0)
+ return;
+ u.u_r.r_val1 = u.u_procp->p_nice;
+ break;
+
+ case PRIO_PGRP:
+ if (uap->who == 0)
+ uap->who = u.u_procp->p_pgrp;
+ for (p = proc; p < procNPROC; p++)
+ if (p->p_pgrp == uap->who &&
+ p->p_nice < u.u_r.r_val1) {
+ u.u_r.r_val1 = p->p_nice;
+ u.u_error = 0;
+ }
+ break;
+
+ default:
+ u.u_error = EINVAL;
+ break;
+ }
+ u.u_r.r_val1 -= NZERO;
+}
+
+setpriority()
+{
+ register struct a {
+ int which;
+ int who;
+ int prio;
+ } *uap = (struct a *)u.u_ap;
+ register struct proc *p;
+
+ u.u_error = ESRCH;
+ switch (uap->which) {
+
+ case PRIO_PROCESS:
+ p = pfind(uap->who);
+ if (p == 0)
+ return;
+ donice(p, uap->prio);
+ break;
+
+ case PRIO_PGRP:
+ for (p = proc; p < procNPROC; p++)
+ if (p->p_pgrp == uap->who)
+ donice(p, uap->prio);
+ break;
+
+ default:
+ u.u_error = EINVAL;
+ break;
+ }
+}
+
+donice(p, n)
+ register struct proc *p;
+ register int n;
+{
+
+ if (u.u_uid && u.u_ruid &&
+ u.u_uid != p->p_uid && u.u_ruid != p->p_uid) {
+ u.u_error = EPERM;
+ return;
+ }
+ n += p->p_nice;
+ if (n >= 2*NZERO)
+ n = 2*NZERO - 1;
+ if (n < 0)
+ n = 0;
+ if (n < p->p_nice && !suser())
+ return;
+ p->p_nice = n;
+ (void) setpri(p);
+ if (u.u_error == ESRCH)
+ u.u_error = 0;
+}
+
+setlimit()
+{
+ register struct a {
+ u_int which;
+ struct rlimit *lim;
+ } *uap = (struct a *)u.u_ap;
+ struct rlimit alim;
+ register struct rlimit *alimp;
+
+ if (uap->which >= RLIM_NLIMITS) {
+ u.u_error = EINVAL;
+ return;
+ }
+ alimp = &u.u_rlimit[uap->which];
+ if (copyin((caddr_t)uap->lim, (caddr_t)&alim, sizeof (struct rlimit))) {
+ u.u_error = EFAULT;
+ return;
+ }
+ if (alim.rlim_cur > alimp->rlim_max || alim.rlim_max > alimp->rlim_max)
+ if (!suser())
+ return;
+ switch (uap->which) {
+
+ case RLIMIT_DATA:
+ if (alim.rlim_cur > ctob(MAXDSIZ))
+ alim.rlim_cur = ctob(MAXDSIZ);
+ break;
+
+ case RLIMIT_STACK:
+ if (alim.rlim_cur > ctob(MAXSSIZ))
+ alim.rlim_cur = ctob(MAXSSIZ);
+ break;
+ }
+ *alimp = alim;
+ if (uap->which == RLIMIT_RSS)
+ u.u_procp->p_maxrss = alim.rlim_cur/NBPG;
+}
+
+getlimit()
+{
+ register struct a {
+ u_int which;
+ struct rlimit *rlp;
+ } *uap = (struct a *)u.u_ap;
+
+ if (uap->which >= RLIM_NLIMITS) {
+ u.u_error = EINVAL;
+ return;
+ }
+ if (copyout((caddr_t)&u.u_rlimit[uap->which], uap->rlp,
+ sizeof (struct rlimit))) {
+ u.u_error = EFAULT;
+ return;
+ }
+}
+
+getrusage()
+{
+ register struct a {
+ int who;
+ struct rusage *rusage;
+ } *uap = (struct a *)u.u_ap;
+ register struct rusage *rup;
+
+ switch (uap->who) {
+
+ case RUSAGE_SELF:
+ rup = &u.u_ru;
+ break;
+
+ case RUSAGE_CHILDREN:
+ rup = &u.u_cru;
+ break;
+
+ default:
+ u.u_error = EINVAL;
+ return;
+ }
+ if (copyout((caddr_t)rup, uap->rusage, sizeof (struct rusage))) {
+ u.u_error = EFAULT;
+ return;
+ }
+}
+
+ruadd(ru, ru2)
+ register struct rusage *ru, *ru2;
+{
+ register int *ip, *ip2;
+ register int i;
+
+ timevaladd(&ru->ru_utime, &ru2->ru_utime);
+ timevaladd(&ru->ru_stime, &ru2->ru_stime);
+ if (ru->ru_maxrss < ru2->ru_maxrss)
+ ru->ru_maxrss = ru2->ru_maxrss;
+ ip = &ru->ru_first; ip2 = &ru2->ru_first;
+ for (i = &ru->ru_last - &ru->ru_first; i > 0; i--)
+ *ip++ += *ip2++;
+}
struct inode *acctp;
struct inode *savacctp;
ilock(ip);
for (i=0; i<sizeof(ap->ac_comm); i++)
ap->ac_comm[i] = u.u_comm[i];
- ap->ac_utime = compress((long)u.u_vm.vm_utime);
- ap->ac_stime = compress((long)u.u_vm.vm_stime);
+ ap->ac_utime = compress((long)u.u_ru.ru_utime.tv_sec);
+ ap->ac_stime = compress((long)u.u_ru.ru_stime.tv_sec);
ap->ac_etime = compress((long)(time - u.u_start));
ap->ac_btime = u.u_start;
ap->ac_uid = u.u_ruid;
ap->ac_gid = u.u_rgid;
ap->ac_mem = 0;
- if (i = u.u_vm.vm_utime + u.u_vm.vm_stime)
- ap->ac_mem = (u.u_vm.vm_ixrss + u.u_vm.vm_idsrss) / i;
- ap->ac_io = compress((long)(u.u_vm.vm_inblk + u.u_vm.vm_oublk));
+ if (i = u.u_ru.ru_utime.tv_sec + u.u_ru.ru_stime.tv_sec)
+ ap->ac_mem =
+ (u.u_ru.ru_ixrss + u.u_ru.ru_idrss + u.u_ru.ru_isrss) / i;
+ ap->ac_io = compress((long)(u.u_ru.ru_inblock + u.u_ru.ru_oublock));
if (u.u_ttyp)
ap->ac_tty = u.u_ttyd;
else
return((exp<<13) + t);
}
-vtimes()
+#ifndef NOCOMPAT
+onice()
{
register struct a {
- struct vtimes *par_vm;
- struct vtimes *ch_vm;
- } *uap = (struct a *)u.u_ap;
-
- if (uap->par_vm == 0)
- goto onlych;
- if (copyout((caddr_t)&u.u_vm, (caddr_t)uap->par_vm,
- sizeof(struct vtimes)) < 0)
- u.u_error = EFAULT;
-onlych:
- if (uap->ch_vm == 0)
- return;
- if (copyout((caddr_t)&u.u_cvm, (caddr_t)uap->ch_vm,
- sizeof(struct vtimes)) < 0)
- u.u_error = EFAULT;
-}
-
-vmsadd(vp, wp)
- register struct vtimes *vp, *wp;
-{
+ int niceness;
+ } *uap;
- vp->vm_utime += wp->vm_utime;
- vp->vm_stime += wp->vm_stime;
- vp->vm_nswap += wp->vm_nswap;
- vp->vm_idsrss += wp->vm_idsrss;
- vp->vm_ixrss += wp->vm_ixrss;
- if (vp->vm_maxrss < wp->vm_maxrss)
- vp->vm_maxrss = wp->vm_maxrss;
- vp->vm_majflt += wp->vm_majflt;
- vp->vm_minflt += wp->vm_minflt;
- vp->vm_inblk += wp->vm_inblk;
- vp->vm_oublk += wp->vm_oublk;
+ uap = (struct a *)u.u_ap;
+ donice(u.u_procp, uap->niceness);
}
+#endif