Differences between current version and predecessor to the previous major change of idle(2).
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| Newer page: | version 2 | Last edited on Tuesday, December 31, 2002 2:28:58 am | by PerryLorier | |
| Older page: | version 1 | Last edited on Monday, June 3, 2002 6:52:59 pm | by perry | Revert |
@@ -1,56 +1,24 @@
-IDLE
-!!!IDLE
-NAME
-SYNOPSIS
-DESCRIPTION
-RETURN VALUE
-ERRORS
-CONFORMING TO
-NOTES
-----
!!NAME
+idle - make process 0 idle
-
-idle - make process 0 idle
!!SYNOPSIS
-
-
-
-
-__int idle(void);__
+
__#include <unistd.h>
__
+ __int 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.
-__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]
.
-
-Only process 0 may call __idle__. Any user process, even
-a process with super-user permission, will receive
-__EPERM__.
!!RETURN VALUE
+idle(2) never returns for process 0, and always returns -1 for a user process.
-
-__idle__ never returns for process 0, and always returns
--1 for a user process.
!!ERRORS
+;[EPERM]: Always, for a user process.
-
-__EPERM__
-
-
-Always, for a user process.
!!CONFORMING TO
+This function is Linux-specific, and should not be used in programs intended to be portable.
-
-This function is Linux-specific, and should not be used in
-programs intended to be portable.
!!NOTES
-
-
-
-
-----
+Since 2.3.13 this system call does not exist anymore.
