1.\" $NetBSD: gcore.1,v 1.12 2005/01/11 09:46:17 wiz Exp $ 2.\" 3.\" Copyright (c) 2003 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Christos Zoulas. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.\" 38.Dd January 9, 2005 39.Dt GCORE 1 40.Os 41.Sh NAME 42.Nm gcore 43.Nd get core images of running process 44.Sh SYNOPSIS 45.Nm 46.Op Fl c Ar corename 47.Ar pid 48.Op Ar pid ... 49.Sh DESCRIPTION 50.Nm 51creates a core image of the specified processes 52suitable for use with 53.Xr gdb 1 . 54By default, the core is written to the file 55.Dq Pa \*[Lt]progname\*[Gt].core , 56where 57.Dq Aq Pa progname 58is the program name of the process corresponding to the pid that is given on 59the command line. 60This filename can be changed by supplying the 61.Fl c Ar corename 62argument, or setting 63.Dq Pa proc.\*[Lt]pid\*[Gt].corename 64with 65.Xr sysctl 8 . 66.Sh FILES 67.Bl -tag -width /var/log/messages -compact 68.It Pa \*[Lt]progname\*[Gt].core 69The core image. 70.El 71.Sh SEE ALSO 72.Xr gdb 1 , 73.Xr sysctl 8 74.Sh HISTORY 75.Nm 76appeared in BSD 4.2, disappeared in 77.Nx 1.2 , 78and reappeared in 79.Nx 2.0 . 80.Sh BUGS 81The process is not stopped while the core file is generated, so it might 82not be consistent. 83