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