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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
commit253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch)
treeadf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man2/_lwp_kill.2
parenta9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff)
docs: Added All NetBSD Manuals
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+.\" $NetBSD: _lwp_kill.2,v 1.5 2022/12/04 16:17:50 uwe Exp $
+.\"
+.\" Copyright (c) 2003, 2007 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Jason R. Thorpe of Wasabi Systems, Inc, and by Andrew Doran.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 20, 2007
+.Dt _LWP_KILL 2
+.Os
+.Sh NAME
+.Nm _lwp_kill
+.Nd send a signal to a light-weight process
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In lwp.h
+.Ft int
+.Fn _lwp_kill "lwpid_t lwp" "int sig"
+.Sh DESCRIPTION
+.Fn _lwp_kill
+sends the signal specified by
+.Fa sig
+to the light-weight process specified by
+.Fa lwp .
+If the
+.Fa sig
+argument is given as 0 (zero),
+.Nm
+will test for the existence of the target LWP, but will take no further
+action.
+.Pp
+Job control signals and uncatchable signals can not be directed to a specific
+LWP: if posted with
+.Nm ,
+they will affect all LWPs in the process.
+.Pp
+Signals will be posted successfully to suspended LWPs, but will not be
+handled further until the LWP has been continued.
+.Sh RETURN VALUES
+.Rv -std _lwp_kill
+.Sh ERRORS
+.Bl -tag -width Er
+.It Bq Er EINVAL
+.Fa sig
+is not a valid signal number.
+.It Bq Er ESRCH
+No LWP can be found in the current process corresponding to that
+specified by
+.Fa lwp .
+.El
+.Sh SEE ALSO
+.Xr _lwp_continue 2 ,
+.Xr _lwp_suspend 2 ,
+.Xr kill 2 ,
+.Xr sigaction 2 ,
+.Xr signal 7
+.Sh HISTORY
+The
+.Fn _lwp_kill
+system call first appeared in
+.Nx 5.0 .