1 f08fdedc 2003-11-23 devnull #include "rc.h"
 2 f08fdedc 2003-11-23 devnull #include "exec.h"
 3 f08fdedc 2003-11-23 devnull #include "fns.h"
 4 f08fdedc 2003-11-23 devnull #include "io.h"
 5 f08fdedc 2003-11-23 devnull extern char *Signame[];
 6 c8f53842 2007-03-26 devnull 
 7 c8f53842 2007-03-26 devnull void
 8 c8f53842 2007-03-26 devnull dotrap(void)
 9 c8f53842 2007-03-26 devnull {
10 c8f53842 2007-03-26 devnull 	int i;
11 c8f53842 2007-03-26 devnull 	struct var *trapreq;
12 c8f53842 2007-03-26 devnull 	struct word *starval;
13 c8f53842 2007-03-26 devnull 	starval = vlook("*")->val;
14 c8f53842 2007-03-26 devnull 	while(ntrap) for(i = 0;i!=NSIG;i++) while(trap[i]){
15 f08fdedc 2003-11-23 devnull 		--trap[i];
16 f08fdedc 2003-11-23 devnull 		--ntrap;
17 f08fdedc 2003-11-23 devnull 		if(getpid()!=mypid) Exit(getstatus());
18 c8f53842 2007-03-26 devnull 		trapreq = vlook(Signame[i]);
19 f08fdedc 2003-11-23 devnull 		if(trapreq->fn){
20 f08fdedc 2003-11-23 devnull 			start(trapreq->fn, trapreq->pc, (struct var *)0);
21 c8f53842 2007-03-26 devnull 			runq->local = newvar(strdup("*"), runq->local);
22 c8f53842 2007-03-26 devnull 			runq->local->val = copywords(starval, (struct word *)0);
23 c8f53842 2007-03-26 devnull 			runq->local->changed = 1;
24 c8f53842 2007-03-26 devnull 			runq->redir = runq->startredir = 0;
25 f08fdedc 2003-11-23 devnull 		}
26 f08fdedc 2003-11-23 devnull 		else if(i==SIGINT || i==SIGQUIT){
27 f08fdedc 2003-11-23 devnull 			/*
28 f08fdedc 2003-11-23 devnull 			 * run the stack down until we uncover the
29 f08fdedc 2003-11-23 devnull 			 * command reading loop.  Xreturn will exit
30 f08fdedc 2003-11-23 devnull 			 * if there is none (i.e. if this is not
31 f08fdedc 2003-11-23 devnull 			 * an interactive rc.)
32 f08fdedc 2003-11-23 devnull 			 */
33 f08fdedc 2003-11-23 devnull 			while(!runq->iflag) Xreturn();
34 f08fdedc 2003-11-23 devnull 		}
35 f08fdedc 2003-11-23 devnull 		else Exit(getstatus());
36 f08fdedc 2003-11-23 devnull 	}
37 f08fdedc 2003-11-23 devnull }