1990/1212/port/proc.c (diff list | history)

1990/1211/sys/src/9/port/proc.c:59,65 – 1990/1212/sys/src/9/port/proc.c:59,64 (short | long | prev | next)
Move unusepage out of sched (deadlock BUG FIX). Rename save, restore to procsave, procrestore. Set p->kp for kprocs. rsc Mon Mar 20 17:14:06 2006
1990/0227		else if(p->state == Moribund){ p->pid = 0; unlock(&p->debug);
1990/0801		unusepage(p->upage, 1);
1990/0227		p->upage->ref--; /* procalloc already locked */ p->qnext = procalloc.free;
1990/1211/sys/src/9/port/proc.c:83,95 – 1990/1212/sys/src/9/port/proc.c:82,94
1990/0227		if(u){ splhi();
1990/1211		save(procstate, sizeof(procstate));
1990/1212		procsave(procstate, sizeof(procstate));
1990/0227		if(setlabel(&u->p->sched)){ /* woke up */ p = u->p; p->state = Running; p->mach = m; m->proc = p;
1990/1211		restore(p, procstate);
1990/1212		procrestore(p, procstate);
1990/0227		spllo(); return; }
1990/1211/sys/src/9/port/proc.c:481,486 – 1990/1212/sys/src/9/port/proc.c:480,486
1990/03081
1990/0227		lock(&procalloc); /* sched() can't do this */
1990/03081		lock(&c->debug); /* sched() can't do this */
1990/1212		unusepage(c->upage, 1); /* sched() can't do this (it locks) */
1990/03081		c->state = Moribund;
1990/0227		sched(); /* never returns */ }
1990/1211/sys/src/9/port/proc.c:567,572 – 1990/1212/sys/src/9/port/proc.c:567,573
1990/0227		* Kernel stack */ p = newproc();
1990/1212		p->kp = 1;
1990/0227		p->upage = newpage(1, 0, USERADDR|(p->pid&0xFFFF));
1990/0617		k = kmap(p->upage); upa = VA(k);