diff options
-rw-r--r-- | lib/libc/sys/Makefile.inc | 2 | ||||
-rw-r--r-- | lib/libc/sys/utrace.2 | 86 |
2 files changed, 87 insertions, 1 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index d66bd7f..49ac92c 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -81,7 +81,7 @@ MAN+= _exit.2 accept.2 access.2 acct.2 adjtime.2 \ sigstack.2 sigsuspend.2 socket.2 socketpair.2 stat.2 statfs.2 \ swapon.2 symlink.2 sync.2 sysarch.2 syscall.2 \ truncate.2 umask.2 undelete.2 \ - unlink.2 utimes.2 uuidgen.2 vfork.2 wait.2 write.2 + unlink.2 utimes.2 utrace.2 uuidgen.2 vfork.2 wait.2 write.2 .if !defined(NO_P1003_1B) MAN+= sched_get_priority_max.2 sched_setparam.2 \ sched_setscheduler.2 sched_yield.2 diff --git a/lib/libc/sys/utrace.2 b/lib/libc/sys/utrace.2 new file mode 100644 index 0000000..ca81672 --- /dev/null +++ b/lib/libc/sys/utrace.2 @@ -0,0 +1,86 @@ +.\" $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. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the NetBSD +.\" Foundation, Inc. and its contributors. +.\" 4. Neither the name of The NetBSD Foundation nor the names of its +.\" contributors may be used to endorse or promote products derived +.\" from this software without specific prior written permission. +.\" +.\" 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 +Upon successful completion, a value of 0 is returned. +Otherwise, a value of -1 is returned and +.Va errno +is set to indicate the error. +.Sh ERRORS +.Bl -tag -width Er +.It Bq Er ENOSYS +Currently running kernel was compiled without +.Xr ktrace 2 +support (option KTRACE). +.It Bq Er EINVAL +Specified data length +.Fa len +was bigger than +.Dv KTR_USER_MAXLEN . +.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 . |