sysproc.ed

在x86平台上运行不可信任代码的sandbox。

g/"edf.h"/d
,s/->ref =/->ref.ref =/g
,s/ref(p->dot)/ref(\&p->dot->ref)/g
,s/ref(p->fgrp)/ref(\&p->fgrp->ref)/g
,s/ref(p->pgrp)/ref(\&p->pgrp->ref)/g
,s/ref(p->rgrp)/ref(\&p->rgrp->ref)/g
,s/ref(p->egrp)/ref(\&p->egrp->ref)/g
,s/lock(img)/lock(\&img->ref.lk)/g
,s/ref(img)/ref(\&img->ref)/g
,s/return0(void\*)/return0(void *v)/g
,s/(s = up->seg\[i\])/(&)/g
/edf.*Admitted/,/else/d
,s;MACHP(0)->ticks;msec();g
/ESEG.*= newseg/a
	flushmmu();	// Needed for Plan 9 VX
.
,s;sleep(\&phore;sleep(\&phore.rendez;g
,s;lock(\&s->sema);lock(\&s->sema.rendez.lk);g
,s;wakeup(p);wakeup(\&p->rendez);g
,s;lock(up->rgrp);lock(\&up->rgrp->ref.lk);g
,s;ref(up->rgrp);ref(\&up->rgrp->ref);g
/sysr1/ s/(ulong\*)/(ulong *x)/
/Admitted/,/	yield/c
		yield();
.
/^	checkpagerefs/ c
	vx32sysr1();
.