1998/0903/port/sysproc.c (diff list | history)

1998/0903/sys/src/9/port/sysproc.c:92,100 – 1999/0108/sys/src/9/port/sysproc.c:92,107 (short | long | prev | next)
1990/0227
1991/0705		/* Make a new set of memory segments */
1992/0501		n = flag & RFMEM;
1999/0108		qlock(&p->seglock); if(waserror()){ qunlock(&p->seglock); nexterror(); }
1991/0705		for(i = 0; i < NSEG; i++)
1993/0501		if(up->seg[i]) p->seg[i] = dupseg(up->seg, i, n);
1999/0108		qunlock(&p->seglock); poperror();
1991/0705
1992/0428		/* File descriptors */
1992/0501		if(flag & (RFFDG|RFCFDG)) {
1998/0903/sys/src/9/port/sysproc.c:304,309 – 1999/0108/sys/src/9/port/sysproc.c:311,321
1991/0523		if(spage > TSTKSIZ)
1992/0114		error(Enovmem);
1991/0522
1999/0108		qlock(&up->seglock); if(waserror()){ qunlock(&up->seglock); nexterror(); }
1993/0501		up->seg[ESEG] = newseg(SG_STACK, TSTKTOP-USTKSIZE, USTKSIZE/BY2PG);
1990/0227		/*
1998/0903/sys/src/9/port/sysproc.c:383,388 – 1999/0108/sys/src/9/port/sysproc.c:395,402
1993/0501		s = up->seg[ESEG]; up->seg[ESEG] = 0; up->seg[SSEG] = s;
1999/0108		qunlock(&up->seglock); poperror();
1991/0705		s->base = USTKTOP-USTKSIZE; s->top = USTKTOP;
1993/0502		relocateseg(s, USTKTOP-TSTKTOP);
1998/0903/sys/src/9/port/sysproc.c:587,592 – 1999/0108/sys/src/9/port/sysproc.c:601,612
1993/0501		ulong addr;
1991/0705		Segment *s;
1999/0108		qlock(&up->seglock); if(waserror()){ qunlock(&up->seglock); nexterror(); }
1991/0723		s = 0;
1993/0501		addr = arg[0];
1991/0705		for(i = 0; i < NSEG; i++)
1998/0903/sys/src/9/port/sysproc.c:609,614 – 1999/0108/sys/src/9/port/sysproc.c:629,636
1993/0501		up->seg[i] = 0;
1991/0705		qunlock(&s->lk); putseg(s);
1999/0108		qunlock(&up->seglock); poperror();
1991/0705		/* Ensure we flush any entries from the lost segment */ flushmmu();