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67 lines
2.3 KiB
Groff
67 lines
2.3 KiB
Groff
.\" Copyright (c) 2003 Alexey Zelkin <phantom@FreeBSD.org>
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.\" All rights reserved.
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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 February 13, 2003
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.Dt PTHREAD_MULTI_NP 3
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.Os
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.Sh NAME
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.Nm pthread_multi_np ,
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.Nm pthread_single_np
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.Nd "switch between multi- and single-threaded scheduling modes"
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.Sh LIBRARY
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.Lb libpthread
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.Sh SYNOPSIS
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.In pthread_np.h
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.Ft int
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.Fn pthread_multi_np void
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.Ft int
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.Fn pthread_single_np void
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.Sh DESCRIPTION
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The
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.Fn pthread_single_np
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function switches the process to a single-threaded mode, i.e.,
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suspends all threads except the current.
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The semantics of this function is similar to
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.Xr pthread_suspend_all_np 3 .
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.Pp
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The
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.Fn pthread_multi_np
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function switches the process to a multi-threaded mode.
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The semantics of this function is similar to
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.Xr pthread_resume_all_np 3 .
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.Sh RETURN VALUES
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The
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.Fn pthread_multi_np
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and
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.Nm pthread_single_np
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functions always return 0.
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.Sh SEE ALSO
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.Xr pthread_resume_all_np 3 ,
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.Xr pthread_suspend_all_np 3
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.Sh AUTHORS
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This manual page was written by
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.An Alexey Zelkin Aq Mt phantom@FreeBSD.org .
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