1.\" Copyright (c) 2003 Alexey Zelkin <phantom@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd October 12, 2021 26.Dt PTHREAD_SUSPEND_ALL_NP 3 27.Os 28.Sh NAME 29.Nm pthread_suspend_all_np 30.Nd suspend all active threads 31.Sh LIBRARY 32.Lb libpthread 33.Sh SYNOPSIS 34.In pthread_np.h 35.Ft void 36.Fn pthread_suspend_all_np void 37.Sh DESCRIPTION 38The 39.Fn pthread_suspend_all_np 40function causes all active threads to be suspended. 41The only exception is the current thread, 42the thread that called the 43.Fn pthread_suspend_all_np 44function. 45.Pp 46It is not safe for the caller of the 47.Fn pthread_suspend_all_np 48function to use any non-async signal safe functions, besides 49.Xr pthread_resume_all_np 3 , 50until threads are resumed, unless measures are taken to ensure 51that all threads are suspended at safe points. 52.Sh SEE ALSO 53.Xr pthread_np 3 , 54.Xr pthread_resume_all_np 3 , 55.Xr pthread_resume_np 3 , 56.Xr pthread_suspend_np 3 57.Sh AUTHORS 58This manual page was written by 59.An Alexey Zelkin Aq Mt phantom@FreeBSD.org . 60