mirror of https://github.com/mkerrisk/man-pages
77 lines
2.5 KiB
Plaintext
77 lines
2.5 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "SCHED_GET_PRIORITY_MAX" 3P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" sched_get_priority_max
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.SH PROLOG
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This manual page is part of the POSIX Programmer's Manual.
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The Linux implementation of this interface may differ (consult
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the corresponding Linux manual page for details of Linux behavior),
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or the interface may not be implemented on Linux.
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.SH NAME
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sched_get_priority_max, sched_get_priority_min \- get priority limits
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(\fBREALTIME\fP)
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.SH SYNOPSIS
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.LP
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\fB#include <sched.h>
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.br
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.sp
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int sched_get_priority_max(int\fP \fIpolicy\fP\fB);
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.br
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int sched_get_priority_min(int\fP \fIpolicy\fP\fB); \fP
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\fB
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.br
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\fP
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.SH DESCRIPTION
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.LP
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The \fIsched_get_priority_max\fP() and \fIsched_get_priority_min\fP()
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functions shall return the appropriate maximum or
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minimum, respectively, for the scheduling policy specified by \fIpolicy\fP.
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.LP
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The value of \fIpolicy\fP shall be one of the scheduling policy values
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defined in \fI<sched.h>\fP.
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.SH RETURN VALUE
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.LP
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If successful, the \fIsched_get_priority_max\fP() and \fIsched_get_priority_min\fP()
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functions shall return the appropriate
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maximum or minimum values, respectively. If unsuccessful, they shall
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return a value of -1 and set \fIerrno\fP to indicate the
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error.
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.SH ERRORS
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.LP
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The \fIsched_get_priority_max\fP() and \fIsched_get_priority_min\fP()
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functions shall fail if:
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.TP 7
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.B EINVAL
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The value of the \fIpolicy\fP parameter does not represent a defined
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scheduling policy.
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.sp
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fIsched_getparam\fP(), \fIsched_setparam\fP(), \fIsched_getscheduler\fP(),
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\fIsched_rr_get_interval\fP(),
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\fIsched_setscheduler\fP(), the Base Definitions volume of
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IEEE\ Std\ 1003.1-2001, \fI<sched.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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