1.\" Copyright (C) 2000 Jason Evans <jasone@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(s), this list of conditions and the following disclaimer as 9.\" the first lines of this file unmodified other than the possible 10.\" addition of one or more copyright notices. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice(s), this list of conditions and the following disclaimer in 13.\" the documentation and/or other materials provided with the 14.\" distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 17.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE 20.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $FreeBSD: src/share/man/man3/pthread_kill.3,v 1.13 2007/10/22 10:08:00 ru Exp $ 29.Dd July 10, 2009 30.Dt PTHREAD_KILL 3 31.Os 32.Sh NAME 33.Nm pthread_kill 34.Nd send a signal to a specified thread 35.Sh LIBRARY 36.Lb libpthread 37.Sh SYNOPSIS 38.In pthread.h 39.In signal.h 40.Ft int 41.Fn pthread_kill "pthread_t thread" "int sig" 42.Sh DESCRIPTION 43The 44.Fn pthread_kill 45function sends a signal, specified by 46.Fa sig , 47to a thread, specified by 48.Fa thread . 49If 50.Fa sig 51is 0, error checking is performed, but no signal is actually sent. 52.Sh RETURN VALUES 53If successful, 54.Fn pthread_kill 55returns 0. 56Otherwise, an error number is returned. 57.Sh ERRORS 58The 59.Fn pthread_kill 60function will fail if: 61.Bl -tag -width Er 62.It Bq Er ESRCH 63.Fa thread 64is an invalid thread ID. 65.It Bq Er EINVAL 66.Fa sig 67is an invalid or unsupported signal number. 68.El 69.Sh SEE ALSO 70.Xr kill 2 , 71.Xr pthread_self 3 , 72.Xr raise 3 73.Sh STANDARDS 74The 75.Fn pthread_kill 76function conforms to 77.St -p1003.1-96 . 78