12-20-2010
If the problem does not related with the listen(), it may be an interesting thing.
I sent 1024 packets to the server (a PC has both sender and receiver, that means, it send packets to itself).
When I Ctrl+C to close and reopen the program few times, the receiver may receive extra package and garbage; and some packets are missing.
If I send 65535 packets at a time, this problem happens more frequency.
10 More Discussions You Might Find Interesting
1. Programming
How can I store and/or print() a number that is larger than 4 294 967 295 in C? is int64_t or u_int64_t what I need ? if, so how can I printf it to stdout? (2 Replies)
Discussion started by: nimnod
2 Replies
2. UNIX for Dummies Questions & Answers
I am working on a re-engineering project. Original Code is written in C. In the C code some "forms" are being called. Each form is in a separate file and files are tagged "int" or "int.lst" like f00.int, f00.int.lst
Can some body through some light on what are these files and what is the... (2 Replies)
Discussion started by: cxredd4
2 Replies
3. Programming
What is the difference between int** func() and int*& func(). Can you please explain it with suitable example.
Thanks,
Devesh. (1 Reply)
Discussion started by: devesh
1 Replies
4. Programming
Hi,
Is there any way to calculate the size of a built in data type without using 'sizeof' operator? I also don't have the option to read it from std .h file.
regards
Apoorva Kumar (10 Replies)
Discussion started by: apoorvasharma80
10 Replies
5. UNIX for Dummies Questions & Answers
hello everybody!
I want to create a file with permissions for read, write, and execute to everybody using C, so I write this code:
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
int main(){
int fileDescriptor;
fileDescriptor =... (2 Replies)
Discussion started by: csnmgeek
2 Replies
6. Shell Programming and Scripting
hello guys i m new to shell scripting and can't find out why this structure is not right
I m guessing this happens because $LINESUM is a string . so how can i do this ?
i want my script to do so many loops as the number of the lines of one custom file.
#!/bin/bash
echo give me path name... (5 Replies)
Discussion started by: xamxam
5 Replies
7. Programming
int air_date='20100103'; //2010 - Jan - 03
/* My goal here is to subtract a day. */
int day = air_date % 100; //?????? Is this right?
//Are there any functions time/date for this type of date format?
:cool: (7 Replies)
Discussion started by: sepoto
7 Replies
8. Programming
Does anyone know how to convert a IP address given as 'string' into a 'u_int32_t'? Are there any build any functions already? (1 Reply)
Discussion started by: Freaky123
1 Replies
9. Programming
A simple arithmetic example: 1680 / 1.12 = 1500
My C code result is 1499, here is the code:
#include <stdio.h>
main(int argc, char *argv)
{
int t = 1680;
double adj = 1.12;
int ires = t / adj;
double fres = t / adj;
... (8 Replies)
Discussion started by: migurus
8 Replies
10. Shell Programming and Scripting
Hello Everyone,
I am new to awk and trying my hand with the diff codes and came across the below code today. It would be great if any of the Guru's help me to understand.
awk '{filename = "sample_file" int((NR-1)/34) ".DAT"; print >> filename}' sample_file.DAT
34 is the no of lines each... (7 Replies)
Discussion started by: saratha14
7 Replies
listen(2) System Calls Manual listen(2)
NAME
listen - Listens for socket connections and limits the backlog of incoming connections
SYNOPSIS
#include <sys/socket.h>
int listen ( int socket, int backlog );
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
listen(): XNS5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
PARAMETERS
Specifies the unique name for the socket. Specifies the maximum number of outstanding connection requests.
DESCRIPTION
The listen() function identifies the socket that receives the connections, marks the socket as accepting connections, and limits the number
(backlog) of outstanding connection requests in the system queue.
The maximum queue length (backlog) that the listen() function can specify is indicated by the SOMAXCONN value in the sys/socket.h header
file.
The socket in use may require that the process have appropriate privileges to use the listen() function.
RETURN VALUES
Upon successful completion, the listen() function returns a value of 0 (zero). Otherwise, a value of -1 is returned and errno is set to
indicate the error.
ERRORS
If the listen() function fails, errno may be set to one of the following values: The requested address is protected and the current process
does not have permission to access it. The socket parameter is not valid. The socket is not bound to a local address, and the protocol
does not support listening on an unbound socket. The socket is already connected; or the socket is shut down. Insufficient resources are
available in the system to complete the call. The socket parameter refers to a file, not a socket. The referenced socket is not a type
that supports the listen() function.
RELATED INFORMATION
Functions: accept(2), connect(2), socket(2)
Standards: standards(5) delim off
listen(2)