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Old 01-01-2012, 09:42 PM   #1
LQ Newbie
Registered: Mar 2011
Posts: 8

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Question related to Socket programming

This is about a multi Client server design.
Can 2 threads listen on the server socket at the same time?
Lets say server socket = fd_server_sock

Thread Func1()
int fd_connect = accept(fd_server_sock, (sockaddr*)&client_adresse, &len);

Process message


Thread Func2()
int fd_connect = accept(fd_server_sock, (sockaddr*)&client_adresse, &len);

Process message

Old 01-01-2012, 10:45 PM   #2
Registered: Jul 2011
Posts: 113

Rep: Reputation: Disabled
i don't think that will work
the standard way is to go into a loop like

if((*fdconnect = accept(fd_server_sock, (sockaddr*)&client_adresse, &len))!= -1){
pthread_create(&thread_id,0,&SocketHandler, (void*)fdconnect );

then in the new thread you handle the request and the listen continues on ready to spin off another thread

void* SocketHandler(void* lp){
int *fdconnect = (int*)lp;

there are most likely serious errors in what i have here but you can get the idea
since the file descriptor to answer the request doesn't actually handle the transaction
no need to multithread that i don't think

i guess you could theoretically bind more than one socket to the same address and have a mutlithreaded listen ?
you would definitely have to use two different sockets for that i think.
i've never tried that before

Last edited by gary185; 01-01-2012 at 10:47 PM.


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