/*----- main.c --------------------------------*/

#include <stdio.h>
#include <unistd.h>
#include <sys/wait.h>

#include "defs.h"
#include "sign.h"
#include "cmd.h"
#include "termination.h"
#include "gettoken.h"

int main() {
   char * prompt;
   int pid, status;
   extern int lastExitStat;
   TOKEN term;
   if (( ignoresig(SIGINT) == SIG_ERR) || 
       ( ignoresig(SIGCHLD) == SIG_ERR)) {
       perror("ignoresig");
       exit(1);
   }
   prompt = "mysh> ";
   while (1) {
      printf("%s", prompt);
      do {
	 term = command(&pid);
	 if ((term != T_AMP) && (pid != 0)) {
	    printf("Waiting for %d.\n", pid);
	    waitpid(pid, &status, 0);
	 }
      } while (((term == T_AND) && !lastExitStat) ||
	     ((term == T_OR) && lastExitStat)); 
      printf("Status of last command: %d.\n", lastExitStat); 
      skip_line();
   }
   printf("\n\n");
   exit(0);
}