child.." will be printed?; Does each printed statement has the same PID? Why? int main() { int pid1=fork(); int pid2=fork(); if(pid1<0 && pid2<0) { fprintf(stderr,"fork failed \n"); exit(1); } if(pid1==0) { printf("hello, i am first child (pid:%d) \n", (int) getpid()); } if (pid2==0){ printf("hi iam second child %d \n",(int)getpid()); } else { 2 int rc=wait(NULL); printf("child Complete %d, %d \n",pid1,pid2); } return 0; }

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
In the following program, how many numbers the statement "hello, i am first
child.." will be printed?; Does each printed statement has the same PID?
Why?
int main() {
int pid1=fork();
int pid2=fork();
if(pid1<0 && pid2<0) {
fprintf(stderr,"fork failed \n");
exit(1);
}
if(pid1==0) {
printf("hello, i am first child (pid:%d) \n", (int) getpid());
if (pid2==0){
printf("hi iam second child %d \n",(int)getpid());
}
else {
2
int rc=wait(NULL);
printf("child Complete %d , %d \n",pid1,pid2);
}
return 0;
}
Transcribed Image Text:In the following program, how many numbers the statement "hello, i am first child.." will be printed?; Does each printed statement has the same PID? Why? int main() { int pid1=fork(); int pid2=fork(); if(pid1<0 && pid2<0) { fprintf(stderr,"fork failed \n"); exit(1); } if(pid1==0) { printf("hello, i am first child (pid:%d) \n", (int) getpid()); if (pid2==0){ printf("hi iam second child %d \n",(int)getpid()); } else { 2 int rc=wait(NULL); printf("child Complete %d , %d \n",pid1,pid2); } return 0; }
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