Hello! I am having issues with a menu I am trying to write in C++. Please ignore the instructions that go under each option. The only one iI want to make sure is proper is R (Causes the program to exit the input menu, resetting the trigger for the menu) and when the input is any other value not listed. I am noticing that no matter what option I choose, the menu printas again after the cout statement that indicates what option has been chosen. Here are the specifications. In a loop, a thread waits for the input menu to be triggered. Once the input menu has been triggered, the thread prints instructions for the menu, then reads strings from standard input, reacting to input as follows: "Q" Causes the program to complete. Before completion, all dynamic storage used by the program must be properly freed. "R" Causes the program to exit the input menu, resetting the trigger for the menu "S+" Causes the simulation rate of the program to increase by 1 "S-" Causes the simulation rate of the program to decrease by 1 "D+" Causes the frame rate of the program to increase by 1 "D-" Causes the frame rate of the program to decrease by 1 All other input : Re-prints the instructions for the menu #include #include #include #include using namespace std; //Menu void *displayMenu(void *arg){ string inputUser; int timeInSec = 1; do { cout<<"*************** MENU: PLEASE SELECT AN OPTION ***************\n"; usleep(timeInSec * 1000000); cout<<"\n"; cout<<"\"Q\" Causes the program to complete.\n"; cout<<"\"R\" Causes the program to exit the input menu, resetting the trigger for the menu.\n"; cout<<"\"S+\" Causes the simulation rate of the program to increase by 1.\n"; cout<<"\"S-\" Causes the simulation rate of the program to decrease by 1.\n"; cout<<"\"D+\" Causes the frame rate of the program to increase by 1.\n"; cout<<"\"D-\" Causes the frame rate of the program to decrease by 1.\n"; cout<<"\n"; cout<<"*************** ENTER YOUR SELECTION PLEASE ***************"<> inputUser; if(inputUser == "Q"){ cout<<"Program completed. See you later!\n"; //call function if necessary } else if(inputUser == "S+"){ cout<<"Simulation rate will increase by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else if (inputUser == "S-"){ cout<<"Simulation rate will decrease by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else if(inputUser == "D+"){ cout<<"Frame rate will increase by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else if (inputUser == "D-"){ cout<<"Frame rate will decrease by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else{ displayMenu(arg); } } while(inputUser != "R"); pthread_exit(NULL); } //main function int main(int argc, char *argv[]){ if(argc !=2){ cout<<"Please enter argument in following format: p3 insertFilename\n"; cout<<"Keep in mind the program only accepts one argument. Thank you!\n"; exit(1); } //required variables int frameRate; int simulationRate; pthread_t id; pthread_create(&id, NULL,displayMenu, NULL); pthread_join(id, NULL); cout <<"Test"<

Hello! I am having issues with a menu I am trying to write in C++. Please ignore the instructions that go under each option. The only one iI want to make sure is proper is R (Causes the program to exit the input menu, resetting the trigger for the menu) and when the input is any other value not listed. I am noticing that no matter what option I choose, the menu printas again after the cout statement that indicates what option has been chosen. Here are the specifications. In a loop, a thread waits for the input menu to be triggered. Once the input menu has been triggered, the thread prints instructions for the menu, then reads strings from standard input, reacting to input as follows: "Q" Causes the program to complete. Before completion, all dynamic storage used by the program must be properly freed. "R" Causes the program to exit the input menu, resetting the trigger for the menu "S+" Causes the simulation rate of the program to increase by 1 "S-" Causes the simulation rate of the program to decrease by 1 "D+" Causes the frame rate of the program to increase by 1 "D-" Causes the frame rate of the program to decrease by 1 All other input : Re-prints the instructions for the menu #include #include #include #include using namespace std; //Menu void displayMenu(void arg){ string inputUser; int timeInSec = 1; do { cout<<"* MENU: PLEASE SELECT AN OPTION \n"; usleep(timeInSec 1000000); cout<<"\n"; cout<<"\"Q\" Causes the program to complete.\n"; cout<<"\"R\" Causes the program to exit the input menu, resetting the trigger for the menu.\n"; cout<<"\"S+\" Causes the simulation rate of the program to increase by 1.\n"; cout<<"\"S-\" Causes the simulation rate of the program to decrease by 1.\n"; cout<<"\"D+\" Causes the frame rate of the program to increase by 1.\n"; cout<<"\"D-\" Causes the frame rate of the program to decrease by 1.\n"; cout<<"\n"; cout<<"* ENTER YOUR SELECTION PLEASE "<> inputUser; if(inputUser == "Q"){ cout<<"Program completed. See you later!\n"; //call function if necessary } else if(inputUser == "S+"){ cout<<"Simulation rate will increase by 1.\n"; usleep(timeInSec 1000000); //call function or insert appropriate stuff } else if (inputUser == "S-"){ cout<<"Simulation rate will decrease by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else if(inputUser == "D+"){ cout<<"Frame rate will increase by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else if (inputUser == "D-"){ cout<<"Frame rate will decrease by 1.\n"; usleep(timeInSec * 1000000); //call function or insert appropriate stuff } else{ displayMenu(arg); } } while(inputUser != "R"); pthread_exit(NULL); } //main function int main(int argc, char *argv[]){ if(argc !=2){ cout<<"Please enter argument in following format: p3 insertFilename\n"; cout<<"Keep in mind the program only accepts one argument. Thank you!\n"; exit(1); } //required variables int frameRate; int simulationRate; pthread_t id; pthread_create(&id, NULL,displayMenu, NULL); pthread_join(id, NULL); cout <<"Test"<

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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In a loop, a thread waits for the input menu to be triggered. Once the input menu has been triggered, the thread prints instructions for the menu, then reads strings from standard input, reacting to input as follows:
- "Q" Causes the program to complete. Before completion, all dynamic storage used by the program must be properly freed.
- "R" Causes the program to exit the input menu, resetting the trigger for the menu
- "S+" Causes the simulation rate of the program to increase by 1
- "S-" Causes the simulation rate of the program to decrease by 1
- "D+" Causes the frame rate of the program to increase by 1
- "D-" Causes the frame rate of the program to decrease by 1
- All other input : Re-prints the instructions for the menu

#include <iostream>
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>

using namespace std;

//Menu
void *displayMenu(void *arg){
string inputUser;
int timeInSec = 1;
do {
cout<<"*************** MENU: PLEASE SELECT AN OPTION ***************\n";
usleep(timeInSec * 1000000);
cout<<"\n";
cout<<"\"Q\" Causes the program to complete.\n";
cout<<"\"R\" Causes the program to exit the input menu, resetting the trigger for the menu.\n";
cout<<"\"S+\" Causes the simulation rate of the program to increase by 1.\n";
cout<<"\"S-\" Causes the simulation rate of the program to decrease by 1.\n";
cout<<"\"D+\" Causes the frame rate of the program to increase by 1.\n";
cout<<"\"D-\" Causes the frame rate of the program to decrease by 1.\n";
cout<<"\n";
cout<<"*************** ENTER YOUR SELECTION PLEASE ***************"<<endl;
cin >> inputUser;
if(inputUser == "Q"){
cout<<"Program completed. See you later!\n";
//call function if necessary
} else if(inputUser == "S+"){
cout<<"Simulation rate will increase by 1.\n";
usleep(timeInSec * 1000000);
//call function or insert appropriate stuff
} else if (inputUser == "S-"){
cout<<"Simulation rate will decrease by 1.\n";
usleep(timeInSec * 1000000);
//call function or insert appropriate stuff
} else if(inputUser == "D+"){
cout<<"Frame rate will increase by 1.\n";
usleep(timeInSec * 1000000);
//call function or insert appropriate stuff
} else if (inputUser == "D-"){
cout<<"Frame rate will decrease by 1.\n";
usleep(timeInSec * 1000000);
//call function or insert appropriate stuff
} else{
displayMenu(arg);
}

} while(inputUser != "R");
pthread_exit(NULL);
}

//main function
int main(int argc, char *argv[]){
if(argc !=2){
cout<<"Please enter argument in following format: p3 insertFilename\n";
cout<<"Keep in mind the program only accepts one argument. Thank you!\n";
exit(1);
}
//required variables
int frameRate;
int simulationRate;
pthread_t id;
pthread_create(&id, NULL,displayMenu, NULL);
pthread_join(id, NULL);
cout <<"Test"<<endl;
return 0;
}

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