listen¶

Intro¶

listen - listen for incoming connection requests from the network.

Description¶

The listen syscall determines the conditions for incoming connection requests from the network. Under normal circumstances, a socket created using the socket syscall is used for this purpose. The listen syscall informs the kernel that the socket is to be used as a listening socket, and it is used to accept incoming connection requests.

The listen syscall is used to mark a socket as being ready to accept incoming connection requests. There are no edge-cases, drawbacks or advantages of using this syscall, as it is simply a necessary step in the process of setting up a server.

Arguments¶

sockfd:int[K] - This is the file descriptor for the socket. It must refer to a socket that has been created with the socket syscall and not yet bound to a local address.
backlog:int[K] - This is the maximum size of the queue of pending connections. This is the number of connections that can be waiting while the process is handling a particular connection.

Available Tags¶

K - Originated from kernel-space.

Hooks¶

sys_listen¶

Type¶

Kprobe

Purpose¶

To measure the time it takes for the listen syscall to complete and gather information about the various syscall arguments.

Example Use Case¶

The listen syscall can be used to set up a server that will accept incoming connection requests from the network. A common use case would be a web server that listens for incoming requests from web browsers.

Issues¶

There are no known issues with the listen syscall.

The socket syscall is the syscall used to create a socket and is related to the listen syscall. The accept syscall is used to actually accept incoming connections after listen has been used.

This document was automatically generated by OpenAI and needs review. It might not be accurate and might contain errors. The authors of Tracee recommend that the user reads the "events.go" source file to understand the events and their arguments better.