1318d8cfdSAlexey Zelkin.\" Copyright (c) 2003 Alexey Zelkin <phantom@FreeBSD.org> 2318d8cfdSAlexey Zelkin.\" All rights reserved. 3318d8cfdSAlexey Zelkin.\" 4318d8cfdSAlexey Zelkin.\" Redistribution and use in source and binary forms, with or without 5318d8cfdSAlexey Zelkin.\" modification, are permitted provided that the following conditions 6318d8cfdSAlexey Zelkin.\" are met: 7318d8cfdSAlexey Zelkin.\" 1. Redistributions of source code must retain the above copyright 8318d8cfdSAlexey Zelkin.\" notice, this list of conditions and the following disclaimer. 9318d8cfdSAlexey Zelkin.\" 2. Redistributions in binary form must reproduce the above copyright 10318d8cfdSAlexey Zelkin.\" notice, this list of conditions and the following disclaimer in the 11318d8cfdSAlexey Zelkin.\" documentation and/or other materials provided with the distribution. 12318d8cfdSAlexey Zelkin.\" 13318d8cfdSAlexey Zelkin.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14318d8cfdSAlexey Zelkin.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15318d8cfdSAlexey Zelkin.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16318d8cfdSAlexey Zelkin.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17318d8cfdSAlexey Zelkin.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18318d8cfdSAlexey Zelkin.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19318d8cfdSAlexey Zelkin.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20318d8cfdSAlexey Zelkin.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21318d8cfdSAlexey Zelkin.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22318d8cfdSAlexey Zelkin.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23318d8cfdSAlexey Zelkin.\" SUCH DAMAGE. 24318d8cfdSAlexey Zelkin.\" 25*df7d7638SFelix Johnson.Dd October 12, 2021 26318d8cfdSAlexey Zelkin.Dt PTHREAD_MULTI_NP 3 27318d8cfdSAlexey Zelkin.Os 28318d8cfdSAlexey Zelkin.Sh NAME 29318d8cfdSAlexey Zelkin.Nm pthread_multi_np , 30318d8cfdSAlexey Zelkin.Nm pthread_single_np 31ace5be68SRuslan Ermilov.Nd "switch between multi- and single-threaded scheduling modes" 32318d8cfdSAlexey Zelkin.Sh LIBRARY 33ec7452f1SRuslan Ermilov.Lb libpthread 34318d8cfdSAlexey Zelkin.Sh SYNOPSIS 35318d8cfdSAlexey Zelkin.In pthread_np.h 36318d8cfdSAlexey Zelkin.Ft int 37ace5be68SRuslan Ermilov.Fn pthread_multi_np void 38318d8cfdSAlexey Zelkin.Ft int 39ace5be68SRuslan Ermilov.Fn pthread_single_np void 40318d8cfdSAlexey Zelkin.Sh DESCRIPTION 41318d8cfdSAlexey ZelkinThe 42318d8cfdSAlexey Zelkin.Fn pthread_single_np 43ace5be68SRuslan Ermilovfunction switches the process to a single-threaded mode, i.e., 44ace5be68SRuslan Ermilovsuspends all threads except the current. 45ace5be68SRuslan ErmilovThe semantics of this function is similar to 46ace5be68SRuslan Ermilov.Xr pthread_suspend_all_np 3 . 47318d8cfdSAlexey Zelkin.Pp 48318d8cfdSAlexey ZelkinThe 49318d8cfdSAlexey Zelkin.Fn pthread_multi_np 50ace5be68SRuslan Ermilovfunction switches the process to a multi-threaded mode. 51ace5be68SRuslan ErmilovThe semantics of this function is similar to 52ace5be68SRuslan Ermilov.Xr pthread_resume_all_np 3 . 53ace5be68SRuslan Ermilov.Sh RETURN VALUES 54ace5be68SRuslan ErmilovThe 55ace5be68SRuslan Ermilov.Fn pthread_multi_np 56ace5be68SRuslan Ermilovand 57ace5be68SRuslan Ermilov.Nm pthread_single_np 58ace5be68SRuslan Ermilovfunctions always return 0. 59318d8cfdSAlexey Zelkin.Sh SEE ALSO 60*df7d7638SFelix Johnson.Xr pthread_np 3 , 61318d8cfdSAlexey Zelkin.Xr pthread_resume_all_np 3 , 62ace5be68SRuslan Ermilov.Xr pthread_suspend_all_np 3 63318d8cfdSAlexey Zelkin.Sh AUTHORS 64ace5be68SRuslan ErmilovThis manual page was written by 65a63d6c94SBaptiste Daroussin.An Alexey Zelkin Aq Mt phantom@FreeBSD.org . 66