64 lines
2.0 KiB
Groff
64 lines
2.0 KiB
Groff
.\"
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.\" Copyright (c) 2002 Julian Elischer
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.\" All rights reserved.
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.\"
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 5, 2002
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.Dt THREAD_EXIT 9
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.Os
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.Sh NAME
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.Nm thread_exit ,
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.Nd Abandon current thread context
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/proc.h
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.Ft void
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.Fn thread_exit "void"
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.Sh DESCRIPTION
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The
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.Fn thread_exit
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function implements the machine independent prelude to a thread
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shutdown.
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It will not return, and will result in a call to
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.Xr mi_switch 9
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to schedule some other thread.
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.Pp
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.Fn thread_exit
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arranges to free all the resources of the thread, specifically the kernel
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stack.
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.Pp
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To protect the
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.Xr runqueue 9 ,
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.Fn thread_exit
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must be called with the
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.Va sched_lock
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mutex held.
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.Sh SEE ALSO
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.Xr mutex 9 ,
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.Xr runqueue 9 ,
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.Xr msleep 9 ,
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.Xr mi_switch 9
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