b) we are refering to a field or column in the current line
What is the output of this program no 1?
#include<stdio.h>
#include<pthread.h>
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("googlen");
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
return 0;
}
a) this program will print the string "google"
b) this program will print nothing
c) segmentation fault
d) run time errorWhat is the output of this program no 2?
#include<stdio.h>
#include<pthread.h>
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("%dn",a);
pthread_exit("Bye");
}
int main()
{
int a;
pthread_t pt;
void *res_t;
a = 10;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
return 0;
}
a) 10
b) 0
c) -1
d) none of the mentionedWhat is the output of this program no 3?
#include<stdio.h>
#include<pthread.h>
int a;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("%dn",a);
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
a = 10;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
return 0;
}
a) 10
b) 0
c) -1
d) none of the mentionedWhat is the output of this program no 4?
#include<stdio.h>
#include<pthread.h>
int a;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
a = 20;
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
a = 10;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
printf("%dn",a);
return 0;
}
a) 10
b) 20
c) segmentation fault
d) none of the mentionedWhich one of the following statement is not true about this program?
#include<stdio.h>
#include<pthread.h>
void *fun_t(void *arg);
void *fun_t(void *arg)
{
printf("%dn",getpid());
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
printf("%dn",getpid());
return 0;
}
a) both printf statements will print the same value
b) both printf statements will print the different values
c) this program will print nothing
d) none of the mentionedWhat is the output of this program no 6?
#include<stdio.h>
#include<pthread.h>
#include<fcntl.h>
int fd;
void *fun_t(void *arg);
void *fun_t(void *arg)
{
char buff[10];
int count;
count = read(fd,buff,10);
printf("%dn",count);
pthread_exit("Bye");
}
int main()
{
pthread_t pt;
void *res_t;
fd = open("san.c",O_RDONLY);
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
return 0;
}
a) 10
b) 0
c) -1
d) segmentation faultWhat is the output of this program no 7?
#include<stdio.h>
#include<pthread.h>
#include<fcntl.h>
void *fun_t(void *arg);
void *fun_t(void *arg)
{
pthread_exit("Bye");
printf("googlen");
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
printf("%sn",res_t);
return 0;
}
a) google
b) Bye
c) segementation fault
d) run time errorWhat is the output of this program no 8?
#include<stdio.h>
#include<pthread.h>
void *fun_t(void *arg);
void *fun_t(void *arg)
{
sleep(1);
}
int main()
{
pthread_t pt;
void *res_t;
if(pthread_create(&pt,NULL,fun_t,NULL) != 0)
perror("pthread_create");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
printf("%sn",res_t);
return 0;
}
a) this process will pause
b) segmentation fault
c) run time error
d) none of the mentionedFor debugging with GDB, the file "google" can be created with the command a) gcc -g -o google google.c b) gcc -g google.c c) gdb google d) none of the mentioned
For debugging with GDB, the compiled program can be run by the command a) run b) execute c) ./ d) none of the mentioned
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