NAME
idle - make process 0 idle
SYNOPSIS
#include <unistd.h>
int idle(void);
DESCRIPTION
R 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.
R idle ()
never returns.
Only process 0 may call
R idle ().
Any user process, even a process with superuser permission,
will receive
R EPERM .
RETURN VALUE
R idle ()
never returns for process 0, and always returns -1 for a user process.
ERRORS
EPERM
Always, for a user process.
VERSIONS
Since 2.3.13 this system call does not exist anymore.
CONFORMING TO
This function is Linux specific, and should not be used in programs
intended to be portable.
ČLÁNKY DO MAILU