42 Exam 06 — Best

Exam 06 synthesizes the hardest parts of minishell (signals) and philosophers (concurrency) into a single, two-to-four-hour gauntlet.

A socket is an endpoint for sending or receiving data across a computer network. In Exam 06, you configure an Internet Protocol (IPv4) socket using the Transmission Control Protocol (TCP). TCP guarantees reliable, ordered, and error-checked delivery of a stream of octets (bytes). Key system calls include: socket() : Creates the endpoint. 42 Exam 06

Use close() on every fd returned by pipe() or open() in both parent and child. Use valgrind --track-fds=yes on your local machine. Exam 06 synthesizes the hardest parts of minishell

Ensuring messages are sent to everyone except the sender. 42 Exam 06

: Clear and rebuild your read and write file descriptor sets ( fd_set ) before every loop iteration.