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.Dd April 27, 2000 28.Dt PTHREAD_KILL 3 29.Os 30.Sh NAME 31.Nm pthread_kill 32.Nd send a signal to a specified thread 33.Sh LIBRARY 34.Lb libpthread 35.Sh SYNOPSIS 36.In pthread.h 37.In signal.h 38.Ft int 39.Fn pthread_kill "pthread_t thread" "int sig" 40.Sh DESCRIPTION 41The 42.Fn pthread_kill 43function sends a signal, specified by 44.Fa sig , 45to a thread, specified by 46.Fa thread . 47If 48.Fa sig 49is 0, error checking is performed, but no signal is actually sent. 50.Sh RETURN VALUES 51If successful, 52.Fn pthread_kill 53returns 0. 54Otherwise, an error number is returned. 55.Sh ERRORS 56The 57.Fn pthread_kill 58function will fail if: 59.Bl -tag -width Er 60.It Bq Er ESRCH 61.Fa thread 62is an invalid thread ID. 63.It Bq Er EINVAL 64.Fa sig 65is an invalid or unsupported signal number. 66.El 67.Sh SEE ALSO 68.Xr kill 2 , 69.Xr pthread_self 3 , 70.Xr raise 3 71.Sh STANDARDS 72The 73.Fn pthread_kill 74function conforms to 75.St -p1003.1-96 76