1991/0709/port/sysproc.c (diff list | history)

1991/0707/sys/src/9/port/sysproc.c:28,36 – 1991/0709/sys/src/9/port/sysproc.c:28,34 (short | long | prev | next)
1990/0614		KMap *k;
1990/0227		int n, on, i; int lastvar; /* used to compute stack address */ /* * Kernel stack */
1991/0709
1990/0227		p = newproc();
1991/0705		/* Page va of upage used as check in mapstack */
1991/0707/sys/src/9/port/sysproc.c:204,210 – 1991/0709/sys/src/9/port/sysproc.c:202,208
1990/0227		* Build the stack segment, putting it in kernel virtual for the moment */
1991/0523		if(spage > TSTKSIZ)
1991/0522		errors("not enough argument stack space");
1991/0709		errors("too many arguments");
1991/0522
1991/0705		p->seg[ESEG] = newseg(SG_STACK, TSTKTOP-USTKSIZE, USTKSIZE/BY2PG);
1991/0707/sys/src/9/port/sysproc.c:238,251 – 1991/0709/sys/src/9/port/sysproc.c:236,245
1990/0227		/*
1991/0705		* Committed. Free old memory. Special segments are maintained accross exec
1990/0227		*/
1991/0705		putseg(p->seg[TSEG]); p->seg[TSEG] = 0; /* prevent a second free if we have an error */ putseg(p->seg[DSEG]); p->seg[DSEG] = 0; putseg(p->seg[BSEG]); p->seg[BSEG] = 0; putseg(p->seg[SSEG]); p->seg[SSEG] = 0;
1991/0709		for(i = SSEG; i <= BSEG; i++) { putseg(p->seg[i]); p->seg[i] = 0; /* prevent a second free if we have an error */ }
1990/08141		/* * Close on exec