View Source: sched_yield(2) - Waikato Linux Users Group

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!!NAME


sched_yield - yield the processor
!!SYNOPSIS
 __#include <sched.h>__

 __int sched_yield(void);__
!!DESCRIPTION
A process can relinquish the processor voluntarily without blocking by calling sched_yield(2). The process will then be moved to the end of the queue for its static priority and a new process gets to run.

Note: If the current process is the only process in the highest priority list at that time, this process will continue to run after a call to sched_yield(2).

POSIX systems on which sched_yield(2) is available define ''_POSIX_PRIORITY_SCHEDULING'' in <unistd.h>''

!!RETURN VALUE
On success, __sched_yield__ returns 0. On error, -1 is returned, and ''errno'' is set appropriately.

!!CONFORMING TO
POSIX.1b (formerly POSIX.4)

!!SEE ALSO
sched_setscheduler(2) for a description of Linux scheduling.

''Programming for the real world - POSIX.4'' by Bill O. Gallmeister, O'Reilly'' IEEE Std 1003.1b-1993'' (POSIX.1b standard)'' ISO/IEC 9945-1:1996''
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Last edited on Tuesday, April 15, 2003 12:52:32 am by PerryLorier

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