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Linux Debugging Interview Question:
What is the output of the program no 13?
#include<stdio.h>
#include<sys/types.h>
#include<sys/un.h>
#include<sys/socket.h>
int main()
{
struct sockaddr_un add_server, add_client;
int fd_server, fd_client;
int len;
char ch;
fd_server = socket(AF_UNIX,SOCK_STREAM,0);
if(fd_server == -1)
perror("socket");
add_server.sun_family = AF_UNIX;
strcpy(add_server.sun_path,"san_sock");
if( bind(fd_server,(struct sockaddr*)&add_server,sizeof(add_server)) != 0)
perror("bind");
if( listen(fd_server,3) != 0)
perror("listen");
len = sizeof(add_client);
fd_client = accept(fd_server,(struct sockaddr*)&add_client,&len);
printf("googlen");
return 0;
}
a) the program will print the string "google"
b) the process will remain block
c) segmentation fault
d) none of the mentioned
Submitted by: Murtazab) the process will remain block
Explanation:
There is no peding request in the queue for listening socket "san_sock".
Output:
[root@localhost google]# gcc -o san san.c
[root@localhost google]# ./san
^Z
[4]+ Stopped ./san
[root@localhost google]#
Submitted by: Murtaza
Explanation:
There is no peding request in the queue for listening socket "san_sock".
Output:
[root@localhost google]# gcc -o san san.c
[root@localhost google]# ./san
^Z
[4]+ Stopped ./san
[root@localhost google]#
Submitted by: Murtaza
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