Question

In: Computer Science

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> int main(int argc, char *argv[]) {     FILE *myFile;...

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>


int main(int argc, char *argv[])

{

    FILE *myFile;

    char fname[20];

    //int sum = 0;

    int i, j, k, tmp =0;

    int num = 0;

    int mass = 0;

    int count = 0;

    int fuel = 0;

    int total = 0;

    int M[1000];

    char ch;

    char buffer[32];

    printf(" Input the filename to be opened : ");

    scanf("%s",fname);

    myFile = fopen(fname, "r");

    if(myFile == NULL)

    {

        printf("Can't open file\n");

    }

while(1)

    {

        ch = fgetc(myFile);

        if(ch == EOF)

        {

            break;

        }

        else if(ch == '\n')

        {

            M[j] = atoi(buffer);

            j++;

            bzero(buffer, 32);

            i = 0;

            continue;

        }

        else

        {

            buffer[i] = ch;

            i++;

        }

    }

    count = j;

    int sum = 0;

for(i = 0; i < count; i++)

    {

        sleep(1);

        fuel = M[i] / 4-3;

        if(fuel >= 1)

        {

            printf("Number [%d]: %d\n", i, M[i]);

            printf("Fuel: %d\n", fuel);

            sum = sum + fuel;

        }

        else

        {

            fuel = 1;

            printf("Number [%d]: %d\n", i, M[i]);

            printf("Fuel: %d\n", fuel);

            sum = sum + fuel;

        }

    }

    printf("\n");

    printf("Total Fuel: %d\n", sum);

    num = sum / 100;

    total = sum + (num * 10);

    printf("\n");

    printf("Fuel Load: %d\n\n", total);

}

I want this Same program to be done with Threads!

Solutions

Expert Solution

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

// A normal C function that is executed as a thread
// when its name is specified in pthread_create()
void *myThreadFun(void *vargp)
{
   sleep(1);
   FILE *myFile;

char fname[20];

//int sum = 0;

int i, j, k, tmp =0;

int num = 0;

int mass = 0;

int count = 0;

int fuel = 0;

int total = 0;

int M[1000];

char ch;

char buffer[32];

printf(" Input the filename to be opened : ");

scanf("%s",fname);

myFile = fopen(fname, "r");

if(myFile == NULL)

{

printf("Can't open file\n");

}

while(1)

{

ch = fgetc(myFile);

if(ch == EOF)

{

break;

}

else if(ch == '\n')

{

M[j] = atoi(buffer);

j++;

bzero(buffer, 32);

i = 0;

continue;

}

else

{

buffer[i] = ch;

i++;

}

}

count = j;

int sum = 0;

for(i = 0; i < count; i++)

{

sleep(1);

fuel = M[i] / 4-3;

if(fuel >= 1)

{

printf("Number [%d]: %d\n", i, M[i]);

printf("Fuel: %d\n", fuel);

sum = sum + fuel;

}

else

{

fuel = 1;

printf("Number [%d]: %d\n", i, M[i]);

printf("Fuel: %d\n", fuel);

sum = sum + fuel;

}

}

printf("\n");

printf("Total Fuel: %d\n", sum);

num = sum / 100;

total = sum + (num * 10);

printf("\n");

printf("Fuel Load: %d\n\n", total);
   return NULL;
}

int main()
{
   pthread_t thread_id;
   printf("Before Thread\n");
   pthread_create(&thread_id, NULL, myThreadFun, NULL);
   pthread_join(thread_id, NULL);
   printf("After Thread\n");
   exit(0);
}

venereology answered 9 months ago
Next > < Previous

Related Solutions

#include <stdio.h> #include <unistd.h> #include <stdlib.h> int main(int argc, char **argv) { int count; if ((argc...
#include <stdio.h> #include <unistd.h> #include <stdlib.h> int main(int argc, char **argv) { int count; if ((argc != 2) || (sscanf(argv[1],"%d",&count) != 1)) { fprintf(stderr,"Usage: %s <integer>\n", argv[0]); exit(1); } pid_t pid1, pid2; while (count > 0) { pid1 = fork(); if (pid1 > 0) { pid2 = fork(); count = count - 2; } else if (pid1 == 0) { count = count - 1; } } exit(0); } Question #1 [2 pts] If the command-line argument passed to this...
#include <unistd.h> #include <stdlib.h> #include <stdio.h> #include <sys/time.h> int main(int argc, char **argv) { pid_t pid;...
#include <unistd.h> #include <stdlib.h> #include <stdio.h> #include <sys/time.h> int main(int argc, char **argv) { pid_t pid; // Main process's PID=42 pid = fork(); // creates process with PID=36 if (pid == 0) { pid_t pid2 = fork(); // creates process with PID=99 sleep(10); if (pid2 > 0) { sleep(10); exit(0); } else { sleep(30); printf("** ONE **\n"); exit(0); } } else { pid_t pid3 = fork(); // creates process with PID=71 if (pid3 == 0) { sleep(30); exit(0); } pid_t...
Use the given Strings.c and Strings.h module: Strings.c: #include "Strings.h" #include <string.h> #include<stdlib.h> #include<stdio.h> char* substring(char*...
Use the given Strings.c and Strings.h module: Strings.c: #include "Strings.h" #include <string.h> #include<stdlib.h> #include<stdio.h> char* substring(char* str, int iPos){ if(iPos > strlen(str)||iPos < 0)return (char*)NULL; char* substr; substr = &str[iPos]; return substr; } int charPosition(char* str, char c){ char* string = (char*)malloc(strlen(str)+1); int i; for(i = 0; i < strlen(str)+1; i++) { if(str[i] == c) { return i; } } return -1; } Strings.h: #include <string.h> /* substring - return a pointer to the substring beginning at the iPos-th position....
please fix code #include <stdio.h> #include <stdlib.h> #include <string.h> // function declarations int getValidJerseyNumber(); int getValidRating();...
please fix code #include <stdio.h> #include <stdlib.h> #include <string.h> // function declarations int getValidJerseyNumber(); int getValidRating(); int main() { // declaring variables int size = 5; int jerseyNo[size]; int rating[size]; int i = 0, jno, rate; char option; /* Getting the inputs entered by the user * and populate the values into arrays */ for (i = 0; i < size; i++) { printf("Enter player %d's jersey number:", i + 1); jerseyNo[i] = getValidJerseyNumber(); printf("Enter player %d's rating:\n", i +...
*Answer in C program* #include <stdio.h> int main() {      FILE *fp1;      char c;     ...
*Answer in C program* #include <stdio.h> int main() {      FILE *fp1;      char c;      fp1= fopen ("C:\\myfiles\\newfile.txt", "r");      while(1)      {         c = fgetc(fp1);         if(c==EOF)             break;         else             printf("%c", c);      }      fclose(fp1);      return 0; } In the program above which statement is functioning for opening a file Write the syntax for opening a file What mode that being used in the program. Give the example from the program Referring to...
int main(int argc, char *argv[]){ int fd1, fd2; char buffer[100]; long int n1; if(((fd1 = open(argv[1],...
int main(int argc, char *argv[]){ int fd1, fd2; char buffer[100]; long int n1; if(((fd1 = open(argv[1], O_RDONLY)) == -1) || ((fd2 = open(argv[2], O_CREAT|O_WRONLY|O_TRUNC,0700)) == -1)){ perror("file problem "); exit(1); } while((n1=read(fd1, buffer, 512) > 0)) if(write(fd2, buffer, n1) != n1){ perror("writing problem "); exit(3); } // Case of an error exit from the loop if(n1 == -1){ perror("Reading problem "); exit(2); } close(fd2); exit(0); } Could anyone fix the two issues in the while loop, so the ouput can...
#include <stdio.h> int main() {      FILE *fp1;      char c;      fp1= fopen ("C:\\myfiles\\newfile.txt", "r");...
#include <stdio.h> int main() {      FILE *fp1;      char c;      fp1= fopen ("C:\\myfiles\\newfile.txt", "r");      while(1)      {         c = fgetc(fp1);         if(c==EOF)             break;         else             printf("%c", c);      }      fclose(fp1);      return 0; } In the program above which statement is functioning for opening a file Write the syntax for opening a file What mode that being used in the program. Give the example from the program Referring to the program above what...
write the algorithm for this the code?!. #include<iostream> using namespace std; #include<string.h> int main() { char...
write the algorithm for this the code?!. #include<iostream> using namespace std; #include<string.h> int main() { char plain[50], cipher[50]="", decrypt[50]=""; int subkeys[50], len;       cout<<"Enter the plain text:"<<endl; cin>>plain;    cout<<"Enter the first subkey:"<<endl; cin>>subkeys[0];    _strupr(plain);    len = strlen(plain);    /**********Find the subkeys**************/    for(int i=1; i<len; i++) { if ((plain[i-1]>='A') && (plain[i-1]<='Z')) { subkeys[i] = plain[i-1]-65; } }    /****************ENCRYPTION***************/       for(int i=0; i<len; i++) { if ((plain[i]>='A') && (plain[i]<='Z')) {    cipher[i] = (((plain[i]-65)+subkeys[i])%26)+65; }...
Please implement the 5 questions in source code: #include <stdio.h> #include <stdlib.h> #include <math.h> int main(...
Please implement the 5 questions in source code: #include <stdio.h> #include <stdlib.h> #include <math.h> int main( int argc, char* argv[] ) { // Size of vectors int n = 10000; // Input vectors double *restrict a; double *restrict b; // Output vector double *restrict c; // Size, in bytes, of each vector size_t bytes = n*sizeof(double); /* Q1: Allocate memory for vector a (10 points)*/ /* Q2: Allocate memory for vector b (10 points)*/ /* Q3: Allocate memory for vector...
#include <stdio.h> #include <stdlib.h> int play_game(int *); // Returns 0 if player won, 1 if the...
#include <stdio.h> #include <stdlib.h> int play_game(int *); // Returns 0 if player won, 1 if the computer won, 2 if there is a tie, and -1 if the player decides to quit int menu(int *); // Displays choices to user // Receives score array int main() { srand(42); // Seeding Random with 42 int score[3]; // Array keeping Player, Computer, and Tie Scores score [0] = 0; // Player - initialized to Zero score [1] = 0; // Computer -...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT