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+'\" et
+.TH SCHED_YIELD "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.\"
+.SH NAME
+sched_yield
+\(em yield the processor
+.SH SYNOPSIS
+.LP
+.nf
+#include <sched.h>
+.P
+int sched_yield(void);
+.fi
+.SH DESCRIPTION
+The
+\fIsched_yield\fR()
+function shall force the running thread to relinquish the processor
+until it again becomes the head of its thread list. It takes no arguments.
+.SH "RETURN VALUE"
+The
+\fIsched_yield\fR()
+function shall return 0 if it completes successfully; otherwise, it
+shall return a value of \-1 and set
+.IR errno
+to indicate the error.
+.SH ERRORS
+No errors are defined.
+.LP
+.IR "The following sections are informative."
+.SH EXAMPLES
+None.
+.SH "APPLICATION USAGE"
+The conceptual model for scheduling semantics in POSIX.1\(hy2008 defines
+a set of thread lists. This set of thread lists is always present
+regardless of the scheduling options supported by the system. On a
+system where the Process Scheduling option is not supported, portable
+applications should not make any assumptions regarding whether threads
+from other processes will be on the same thread list.
+.SH RATIONALE
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<sched.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+In the event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .
+.PP
+Any typographical or formatting errors that appear
+in this page are most likely
+to have been introduced during the conversion of the source files to
+man page format. To report such errors, see
+https://www.kernel.org/doc/man-pages/reporting_bugs.html .