Subversion Repositories planix.SVN

#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());
        }
}