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idle - make process 0 idle
Contents
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 superuser permission, will receive
EPERM.
Errors
EPERM Always, for a user process.
History
Removed in Linux 2.3.13.
Linux man-pages 6.9.1 2024-05-02 idle(2)
Name
idle - make process 0 idle
Return Value
idle() never returns for process 0, and always returns -1 for a user process.
Standards
Linux.
Synopsis
#include<unistd.h>[[deprecated]]intidle(void);
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