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Diffstat (limited to 'lib/libc/sys/utrace.2')
-rw-r--r-- | lib/libc/sys/utrace.2 | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/libc/sys/utrace.2 b/lib/libc/sys/utrace.2 new file mode 100644 index 0000000..5177288 --- /dev/null +++ b/lib/libc/sys/utrace.2 @@ -0,0 +1,79 @@ +.\" $NetBSD: utrace.2,v 1.11 2003/04/24 12:17:49 wiz Exp $ +.\" +.\" Copyright (c) 2000 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by Gregory McGarry <g.mcgarry@ieee.org>. +.\" +.\" 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 AUTHOR ``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 AUTHOR 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. +.\" +.\" $FreeBSD$ +.\" +.Dd December 28, 2000 +.Dt UTRACE 2 +.Os +.Sh NAME +.Nm utrace +.Nd insert user record in ktrace log +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In sys/types.h +.In sys/param.h +.In sys/time.h +.In sys/uio.h +.In sys/ktrace.h +.Ft int +.Fn utrace "const void *addr" "size_t len" +.Sh DESCRIPTION +Adds a record to the process trace with information supplied by user. +The record contains +.Fa len +bytes from memory pointed to by +.Fa addr . +This call only has an effect if the calling process is being traced. +.Sh RETURN VALUES +.Rv -std +.Sh ERRORS +.Bl -tag -width Er +.It Bq Er EINVAL +Specified data length +.Fa len +was bigger than +.Dv KTR_USER_MAXLEN . +.It Bq Er ENOMEM +Insufficient memory to honor the request. +.It Bq Er ENOSYS +Currently running kernel was compiled without +.Xr ktrace 2 +support +.Pq Cd "options KTRACE" . +.El +.Sh SEE ALSO +.Xr kdump 1 , +.Xr ktrace 1 , +.Xr ktrace 2 +.Sh HISTORY +The +.Fn utrace +system call first appeared in +.Fx 2.2 . |