1.\" $NetBSD: raise.3,v 1.10 2011/05/09 09:06:21 jruoho Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the American National Standards Committee X3, on Information 8.\" Processing Systems. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)raise.3 8.1 (Berkeley) 6/4/93 35.\" 36.Dd May 9, 2011 37.Dt RAISE 3 38.Os 39.Sh NAME 40.Nm raise 41.Nd send a signal to the current thread 42.Sh LIBRARY 43.Lb libc 44.Sh SYNOPSIS 45.In signal.h 46.Ft int 47.Fn raise "int sig" 48.Sh DESCRIPTION 49The 50.Fn raise 51function sends the signal 52.Fa sig 53to the current thread. 54.Sh RETURN VALUES 55Upon successful completion, a value of 0 is returned. 56Otherwise, a value of \-1 is returned and the global variable 57.Va errno 58is set to indicate the error. 59.Sh ERRORS 60The 61.Fn raise 62function 63may fail and set 64.Va errno 65for any of the errors specified for the 66library functions 67.Xr _lwp_self 2 68and 69.Xr _lwp_kill 2 . 70.Sh SEE ALSO 71.Xr kill 2 , 72.Xr raise_default_signal 3 73.Sh STANDARDS 74The 75.Fn raise 76function 77conforms to 78.St -ansiC 79and 80.St -susv2 . 81