1991/0927/port/fault.c (diff list | history)

1991/0927/sys/src/9/port/fault.c:8,13 – 1991/1105/sys/src/9/port/fault.c:8,15 (short | long | prev | next)
1990/0227
1991/0705		#define DPRINT
1991/1105		void faultexit(char*);
1990/1212		int fault(ulong addr, int read)
1990/0227		{
1991/0927/sys/src/9/port/fault.c:160,169 – 1991/1105/sys/src/9/port/fault.c:162,167
1991/0705		if(loadrec == 0) { /* This is demand load */ c = s->image->c; qlock(&c->rdl);
1991/0906		/* We are unable to correctly error up throught the kernel * during faults. Therefore note delivery is postponed until * we leave the system. Read errors cause the process to die. */ while(waserror()) { if(strcmp(u->error, errstrtab[Eintr]) == 0) continue;
1991/0927/sys/src/9/port/fault.c:170,176 – 1991/1105/sys/src/9/port/fault.c:168,174
1991/0705		qunlock(&c->rdl); kunmap(k); putpage(new); pexit("demand load I/O error", 0);
1991/1105		faultexit("sys: demand load I/O error");
1991/0705		} ask = s->flen-soff;
1991/0927/sys/src/9/port/fault.c:206,212 – 1991/1105/sys/src/9/port/fault.c:204,210
1991/0705		putpage(new); qlock(&s->lk); qunlock(&s->lk); pexit("page in I/O error", 0);
1991/1105		faultexit("sys: page in I/O error");
1991/0705		} n = (*devtab[c->type].read)(c, kaddr, BY2PG, daddr);
1991/0927/sys/src/9/port/fault.c:229,234 – 1991/1105/sys/src/9/port/fault.c:227,242
1991/0705		else putpage(new); }
1991/1105		} void faultexit(char *s) { if(u->nerrlab) { postnote(u->p, 1, s, NDebug); errors(s); } pexit(s, 0);
1990/0227		} /*