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-.\" Copyright (C) Tom Bjorkholm & Markus Kuhn, 1996
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-or-later
-.\"
-.\" 1996-04-01 Tom Bjorkholm <tomb@mydata.se>
-.\"            First version written
-.\" 1996-04-10 Markus Kuhn <mskuhn@cip.informatik.uni-erlangen.de>
-.\"            revision
-.\"
-.TH sched_yield 2 (date) "Linux man-pages (unreleased)"
-.SH NAME
-sched_yield \- yield the processor
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <sched.h>
-.PP
-.B int sched_yield(void);
-.fi
-.SH DESCRIPTION
-.BR sched_yield ()
-causes the calling thread to relinquish the CPU.
-The thread is moved to the end of the queue for its static
-priority and a new thread gets to run.
-.SH RETURN VALUE
-On success,
-.BR sched_yield ()
-returns 0.
-On error, \-1 is returned, and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-In the Linux implementation,
-.BR sched_yield ()
-always succeeds.
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001 (but optional).
-POSIX.1-2008.
-.PP
-Before POSIX.1-2008,
-systems on which
-.BR sched_yield ()
-is available defined
-.B _POSIX_PRIORITY_SCHEDULING
-in
-.IR <unistd.h> .
-.SH CAVEATS
-.BR sched_yield ()
-is intended for use with real-time scheduling policies (i.e.,
-.B SCHED_FIFO
-or
-.BR SCHED_RR ).
-Use of
-.BR sched_yield ()
-with nondeterministic scheduling policies such as
-.B SCHED_OTHER
-is unspecified and very likely means your application design is broken.
-.PP
-If the calling thread is the only thread in the highest
-priority list at that time,
-it will continue to run after a call to
-.BR sched_yield ().
-.PP
-Avoid calling
-.BR sched_yield ()
-unnecessarily or inappropriately
-(e.g., when resources needed by other
-schedulable threads are still held by the caller),
-since doing so will result in unnecessary context switches,
-which will degrade system performance.
-.SH SEE ALSO
-.BR sched (7)