IDLE
Section: Linux Programmer's Manual (2)
Updated: 21 August 1994
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NAME
idle - make process 0 idle
SYNOPSIS
#include <unistd.h>
void idle(void);
DESCRIPTION
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.
RETURN VALUE
idle
never returns for process 0, and always returns -1 for a user process.
ERRORS
- EPERM
-
Always, for a user process.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
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