The heartbeat of your mini_serv is the select() function. You must manage three sets of file descriptors (read, write, and error, though usually just read/write for the exam). The challenge lies in accurately updating your fd_set every time a new client joins or an existing client leaves. 2. Message Fragmentation
While earlier exams focused on the fundamentals of C and system calls, Exam 06 pivots toward the complexities of and concurrency . Here is a comprehensive look at what the exam entails and how to prepare for it. What is Exam 06? 42 Exam 06
Broadcasting messages from one client to all other connected clients (a basic chat server). The heartbeat of your mini_serv is the select() function
Unlike previous exams that might have offered a choice of problems, Exam 06 usually centers around a single, complex task: The Core Objective: mini_serv What is Exam 06
Using select() (the standard for this exam) to monitor multiple file descriptors.