Interview Questions Answers.ORG
Interviewer And Interviewee Guide
Interviews
Quizzes
Home
Quizzes
Interviews Linux OS Interviews:Awk ProgrammingBash Arithmetic ExpressionsDevice DriversGCC CompilerLinux AdministratorLinux CommandsLinux DebuggingLinux EnvironmentLinux GeneralLinux IPCLinux MakefileLinux OSLinux OS EditorsLinux OS ManagementLinux OS ShellLinux Proc FilesystemLinux Search PatternLinux Shared & Static LibrariesLinux Socket ProgrammingLinux Startup and ShutdownLinux SysfsLinux SystemsLinux ThreadsLinux UbuntuSignal HandlingSystem Calls
Copyright © 2018. All Rights Reserved
Linux Debugging Interview 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
Submitted by: Murtazad) none of the mentioned
Explanation:
The function pthread_exit() does not return any value. Hence this program will give an error.
Output:
[root@localhost Google]# gcc -o san san.c -lpthread
san.c: In function 'fun_t':
san.c:8:6: error: void value not ignored as it ought to be
[root@localhost google]#
Submitted by: Murtaza
Explanation:
The function pthread_exit() does not return any value. Hence this program will give an error.
Output:
[root@localhost Google]# gcc -o san san.c -lpthread
san.c: In function 'fun_t':
san.c:8:6: error: void value not ignored as it ought to be
[root@localhost google]#
Submitted by: Murtaza
Copyright 2007-2024 by Interview Questions Answers .ORG All Rights Reserved.
https://InterviewQuestionsAnswers.ORG.
https://InterviewQuestionsAnswers.ORG.