int main() {
auto adam=Person::makePerson("Adam");
adam->print(std::cout);
auto eve=Person::makePerson("Eve");
eve->print(std::cout);
addson("Cain",adam, eve);
addson("Abel",adam, eve);
addson("Seth",adam, eve);
adam->print(std::cout);
eve->print(std::cout);
// how to have Cain kill Abel?
{
auto abel=eve->findChild("Abel");
eve->killChild(abel);
adam->killChild(abel);
abel->print(std::cout);
}
eve->print(std::cout);
// how can we kill Adam and Eve?
{
adam->killMe();
adam->print(std::cout);
adam.reset();
}
eve->print(std::cout);
auto cain=eve->findChild("Cain");
if (cain) cain->print(std::cout);
eve->killMe(); // avoid memory leak
eve->print(std::cout);
eve.reset();
}
/**
* Quash entry point
*
* @param argc argument count from the command line
* @param argv argument vector from the command line
* @return program exit status
*/
int main(int argc, char** argv) {
command_t cmd; //< Command holder argument
start();
struct sigaction NULL_sa;
struct sigaction sa;
sigset_t mask_set;
sigfillset(&mask_set);
sigdelset(&mask_set,SIGINT);
sigdelset(&mask_set,SIGTSTP);
sa.sa_handler = catchChild;
sigprocmask(SIG_SETMASK, &mask_set, NULL);
//TODO: this is involved withe the error 10 problem. Removing it remedies the issue for now but breaks other things.
sigaction(SIGCHLD, &sa,NULL);//child termination calls catchChild;
setenv( "WKDIR", getenv("HOME"), 1 );
puts("hOi! Welcome to Quash!");
// Main execution loop
while (is_running())
{
// NOTE: I would not recommend keeping anything inside the body of
// this while loop. It is just an example.
// The commands should be parsed, then executed.
if( !get_command(&cmd, stdin) );
else if (!strcmp(cmd.cmdstr, "q")||!strcmp(cmd.cmdstr, "exit")||!strcmp(cmd.cmdstr, "quit"))
terminate(); // Exit Quash
else if(!strcmp(cmd.execArgs[0], "set"))
set(cmd);//set environment variables
else if(!strcmp(cmd.execArgs[0], "echo"))
echo(cmd);//echos environment variables
else if(!strcmp(cmd.execArgs[0], "pwd"))
pwd(cmd);//prints current working directory
else if(!strcmp(cmd.execArgs[0], "cd"))
cd(cmd);//changes the working directory
else if(!strcmp(cmd.execArgs[0], "jobs"))
jobs();//prints out a list of currently running jobs
else if(!strcmp(cmd.execArgs[0], "kill"))
killChild(cmd);//kills specified job
else if (!strcmp(cmd.execArgs[0], "wait"))
sleep(atoi(cmd.execArgs[1]));
else if (strchr(cmd.cmdstr,'|')!= NULL)
exec_pipes(cmd);//executes piped commands
else
exec_cmd(cmd);//executes normal commands
}
return EXIT_SUCCESS;
}
