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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>sched_rr_get_interval</title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_008_207"> </a>NAME</h4><blockquote>sched_rr_get_interval - get execution time limits(<b>REALTIME</b>)</blockquote><h4><a name = "tag_000_008_208"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="sched.h.html">sched.h</a>>int sched_rr_get_interval(pid_t <i>pid</i>, struct timespec *<i>interval</i>);</code></pre></blockquote><h4><a name = "tag_000_008_209"> </a>DESCRIPTION</h4><blockquote>The<i>sched_rr_get_interval()</i>function updates the<b>timespec</b>structure referenced by the<i>interval</i>argument to contain the current execution time limit (that is, time quantum)for the process specified by<i>pid</i>.If<i>pid</i>is zero, the current execution time limit for the calling process willbe returned.</blockquote><h4><a name = "tag_000_008_210"> </a>RETURN VALUE</h4><blockquote>If successful, the<i>sched_rr_get_interval()</i>function returns zero.Otherwise, it returns a value of -1 and sets<i>errno</i>to indicate the error.</blockquote><h4><a name = "tag_000_008_211"> </a>ERRORS</h4><blockquote>The <i>sched_rr_get_interval()</i>function will fail if:<dl compact><dt>[ENOSYS]<dd>The<i><a href="sched_get_priority_max.html">sched_get_priority_max()</a></i>,<i><a href="sched_get_priority_min.html">sched_get_priority_min()</a></i>and<i>sched_rr_get_interval()</i>functions are not supported by this implementation.<dt>[ESRCH]<dd>No process can be found corresponding to that specified by<i>pid</i>.</dl></blockquote><h4><a name = "tag_000_008_212"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_213"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_214"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_008_215"> </a>SEE ALSO</h4><blockquote><i><a href="sched_getparam.html">sched_getparam()</a></i>,<i><a href="sched_setparam.html">sched_setparam()</a></i>,<i><a href="sched_get_priority_max.html">sched_get_priority_max()</a></i>,<i><a href="sched_getscheduler.html">sched_getscheduler()</a></i>,<i><a href="sched_setscheduler.html">sched_setscheduler()</a></i>,<i><a href="sched.h.html"><sched.h></a></i>.</blockquote><h4>DERIVATION</h4><blockquote>Derived from the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995)</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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