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- #include "rc.h"
- #include "exec.h"
- #include "fns.h"
- #include "io.h"
- extern char *Signame[];
- void
- dotrap(void)
- {
- int i;
- struct var *trapreq;
- struct word *starval;
- starval = vlook("*")->val;
- while(ntrap) for(i = 0;i!=NSIG;i++) while(trap[i]){
- --trap[i];
- --ntrap;
- if(getpid()!=mypid) Exit(getstatus());
- trapreq = vlook(Signame[i]);
- if(trapreq->fn){
- start(trapreq->fn, trapreq->pc, (struct var *)0);
- runq->local = newvar(strdup("*"), runq->local);
- runq->local->val = copywords(starval, (struct word *)0);
- runq->local->changed = 1;
- runq->redir = runq->startredir = 0;
- }
- else if(i==SIGINT || i==SIGQUIT){
- /*
- * run the stack down until we uncover the
- * command reading loop. Xreturn will exit
- * if there is none (i.e. if this is not
- * an interactive rc.)
- */
- while(!runq->iflag) Xreturn();
- }
- else Exit(getstatus());
- }
- }
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