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.\" $FreeBSD$ 29.Dd April 27, 2000 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 libc_r 37.Lb libpthread 38.Lb libthr 39.Sh SYNOPSIS 40.In pthread.h 41.In signal.h 42.Ft int 43.Fn pthread_kill "pthread_t thread" "int sig" 44.Sh DESCRIPTION 45The 46.Fn pthread_kill 47function sends a signal, specified by 48.Fa sig , 49to a thread, specified by 50.Fa thread . 51If 52.Fa sig 53is 0, error checking is performed, but no signal is actually sent. 54.Sh RETURN VALUES 55If successful, 56.Fn pthread_kill 57returns 0. 58Otherwise, an error number is returned. 59.Sh ERRORS 60The 61.Fn pthread_kill 62function will fail if: 63.Bl -tag -width Er 64.It Bq Er ESRCH 65.Fa thread 66is an invalid thread ID. 67.It Bq Er EINVAL 68.Fa sig 69is an invalid or unsupported signal number. 70.El 71.Sh SEE ALSO 72.Xr kill 2 , 73.Xr pthread_self 3 , 74.Xr raise 3 75.Sh STANDARDS 76The 77.Fn pthread_kill 78function conforms to 79.St -p1003.1-96 80