1993/0910/port/swap.c (diff list | history)

1993/0501/sys/src/9/port/swap.c:109,115 – 1993/0910/sys/src/9/port/swap.c:109,115 (short | long | prev | next)
1993/0501		up->psstate = "Idle";
1992/0303		sleep(&swapalloc.r, needpages, 0);
1992/0301
1992/0303		for(;;) {
1993/0910		while(needpages(junk)) {
1992/0303		p++;
1992/0628		if(p >= ep)
1992/0303		p = proctab(0);
1993/0501/sys/src/9/port/swap.c:142,151 – 1993/0910/sys/src/9/port/swap.c:142,149
1992/0304		}
1992/0303		}
1991/0705		}
1992/0805		continue;
1991/0705		}
1992/0805
1992/0303		if(palloc.freecount < swapalloc.highwater) {
1993/0910		else {
1992/0725		if(!cpuserver) freebroken(); /* can use the memory */
1991/0705
1993/0501/sys/src/9/port/swap.c:152,158 – 1993/0910/sys/src/9/port/swap.c:150,157
1992/0303		/* Emulate the old system if no swap channel */ print("no physical memory\n"); tsleep(&swapalloc.r, return0, 0, 1000); wakeup(&palloc.r);
1993/0910		for(i = 0; i < NCOLOR; i++) wakeup(&palloc.r[i]);
1992/0303		}
1991/0705		}
1992/0303		goto loop;
1993/0501/sys/src/9/port/swap.c:211,217 – 1993/0910/sys/src/9/port/swap.c:210,215
1991/0705		poperror(); qunlock(&s->lk); putseg(s); wakeup(&palloc.r); } int
1993/0501/sys/src/9/port/swap.c:322,329 – 1993/0910/sys/src/9/port/swap.c:320,332
1991/0705		int needpages(void *p) {
1993/0910		int i;
1991/1115		USED(p);
1992/0303		return palloc.freecount < swapalloc.headroom;
1993/0910		for(i = 0; i < NCOLOR; i++) if(palloc.freecol[i] < swapalloc.headroom/NCOLOR) return 1; return 0;
1991/0705		} void