Debugging Question:
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Which one of the following string will print first by this program?
#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");
printf("Linuxn");
if(pthread_join(pt,&res_t) != 0)
perror("pthread_join");
return 0;
}
a) Linux
b) Google
c) it can not be predicted
d) none of the mentioned

Answer:

b) Google
Explanation:It depends upon the scheduler.
Output:
[root@localhost Google]# gcc -o san san.c -lpthread
[root@localhost Google]# ./san
Google
Linux
[root@localhost threads]#

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Previous QuestionNext Question
What is the output of this program?

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

void *fun_t(void *arg);
void *fun_t(void *arg)
{
int ret;
ret = pthread_exit("Bye");
printf("%dn",ret);
}
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");
return 0;
}
a) 0
b) 1
c) -1
d) none of the mentioned
Which one of the following command saves the command history of GDB in a file?
a) history
b) set history
c) set history save on
d) none of the mentioned