| memguard.9 (155776) | memguard.9 (162404) |
|---|---|
| 1.\" Copyright (c) 2005 Christian Brueffer 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2005 Christian Brueffer 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man9/memguard.9 155776 2006-02-17 09:11:41Z pjd $ | 25.\" $FreeBSD: head/share/man/man9/memguard.9 162404 2006-09-18 15:24:20Z ru $ |
| 26.\" 27.Dd January 31, 2006 28.Dt MEMGUARD 9 29.Os 30.Sh NAME 31.Nm MemGuard 32.Nd "memory allocator for debugging purposes" 33.Sh SYNOPSIS --- 9 unchanged lines hidden (view full) --- 43.Nm 44can only take over 45.Fn malloc , 46.Fn realloc 47and 48.Fn free 49for a particular malloc type. 50.Sh EXAMPLES | 26.\" 27.Dd January 31, 2006 28.Dt MEMGUARD 9 29.Os 30.Sh NAME 31.Nm MemGuard 32.Nd "memory allocator for debugging purposes" 33.Sh SYNOPSIS --- 9 unchanged lines hidden (view full) --- 43.Nm 44can only take over 45.Fn malloc , 46.Fn realloc 47and 48.Fn free 49for a particular malloc type. 50.Sh EXAMPLES |
| 51To use memguard for memory type compiled into the kernel, one has to add the | 51To use 52.Nm 53for memory type compiled into the kernel, one has to add the |
| 52following line to the 53.Pa /boot/loader.conf : 54.Bd -literal -offset indent 55vm.memguard.desc=<memory_type> 56.Ed 57.Pp | 54following line to the 55.Pa /boot/loader.conf : 56.Bd -literal -offset indent 57vm.memguard.desc=<memory_type> 58.Ed 59.Pp |
| 58Where memory_type is a short description of memory type to monitor. | 60Where 61.Ar memory_type 62is a short description of memory type to monitor. |
| 59The short description of memory type is the second argument to 60.Xr MALLOC_DEFINE 9 , 61so one has to find it in the kernel source. 62.Pp | 63The short description of memory type is the second argument to 64.Xr MALLOC_DEFINE 9 , 65so one has to find it in the kernel source. 66.Pp |
| 63To use memguard for memory type defined in a kernel module, one has to set | 67To use 68.Nm 69for memory type defined in a kernel module, one has to set |
| 64.Va vm.memguard.desc 65.Xr sysctl 8 66variable before loading the module: 67.Bd -literal -offset indent 68sysctl vm.memguard.desc=<memory_type> 69.Ed 70.Pp 71The --- 35 unchanged lines hidden --- | 70.Va vm.memguard.desc 71.Xr sysctl 8 72variable before loading the module: 73.Bd -literal -offset indent 74sysctl vm.memguard.desc=<memory_type> 75.Ed 76.Pp 77The --- 35 unchanged lines hidden --- |