Table of Contentsidle - make process 0 idle #include <unistd.h> void idle(void);
idle is an internal system call used during bootstrap. It marks the process's pages as swappable, lowers its priority, and enters the main scheduling loop. idle never returns. Only process 0 may call idle. Any user process, even a process with super-user permission, will receive EPERM.
idle never returns for process 0, and always returns -1 for a user process. - EPERM
- Always, for a user process.
Table of Contents
www.fiveanddime.net