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}

0

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>



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

printf("hello world (pid:%d)n", (int) getpid());

int rc = fork();

if (rc < 0) {

// fork failed

fprintf(stderr, "fork failedn");

exit(1);

}

elseif(rc==0){

// child (new process)

printf("hello, I am child (pid:%d)n", (int) getpid()); 

} 

else {

// parent goes down this path (main)

printf("hello, I am parent of %d (pid:%d)n",

        rc, (int) getpid());



 }

 return 0;



}

Output:

prompt> ./p1

hello world (pid:29146)

hello, I am parent of 29147 (pid:29146)

hello, I am child (pid:29147)

prompt>

Either "hello, I am parent" or "hello, I am child" should be given as output, not both.

fork

share|improve this question

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>



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

printf("hello world (pid:%d)n", (int) getpid());

int rc = fork();

if (rc < 0) {

// fork failed

fprintf(stderr, "fork failedn");

exit(1);

}

elseif(rc==0){

// child (new process)

printf("hello, I am child (pid:%d)n", (int) getpid()); 

} 

else {

// parent goes down this path (main)

printf("hello, I am parent of %d (pid:%d)n",

        rc, (int) getpid());



 }

 return 0;



}

Output:

prompt> ./p1

hello world (pid:29146)

hello, I am parent of 29147 (pid:29146)

hello, I am child (pid:29147)

prompt>

Either "hello, I am parent" or "hello, I am child" should be given as output, not both.

fork

share|improve this question

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>



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

printf("hello world (pid:%d)n", (int) getpid());

int rc = fork();

if (rc < 0) {

// fork failed

fprintf(stderr, "fork failedn");

exit(1);

}

elseif(rc==0){

// child (new process)

printf("hello, I am child (pid:%d)n", (int) getpid()); 

} 

else {

// parent goes down this path (main)

printf("hello, I am parent of %d (pid:%d)n",

        rc, (int) getpid());



 }

 return 0;



}

Output:

prompt> ./p1

hello world (pid:29146)

hello, I am parent of 29147 (pid:29146)

hello, I am child (pid:29147)

prompt>

Either "hello, I am parent" or "hello, I am child" should be given as output, not both.

fork

share|improve this question

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>



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

printf("hello world (pid:%d)n", (int) getpid());

int rc = fork();

if (rc < 0) {

// fork failed

fprintf(stderr, "fork failedn");

exit(1);

}

elseif(rc==0){

// child (new process)

printf("hello, I am child (pid:%d)n", (int) getpid()); 

} 

else {

// parent goes down this path (main)

printf("hello, I am parent of %d (pid:%d)n",

        rc, (int) getpid());



 }

 return 0;



}

prompt> ./p1

hello world (pid:29146)

hello, I am parent of 29147 (pid:29146)

hello, I am child (pid:29147)

prompt>

share|improve this question

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

edited 27 mins ago

cas

42.7k44 gold badges6262 silver badges112112 bronze badges

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1

New contributor

Dheeraj Reddy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 30 mins ago

Dheeraj ReddyDheeraj Reddy

1