1997-12-15 06:24:57 +08:00
|
|
|
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
1996-12-20 09:39:50 +08:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Library General Public License as
|
|
|
|
|
published by the Free Software Foundation; either version 2 of the
|
|
|
|
|
License, or (at your option) any later version.
|
|
|
|
|
|
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
Library General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
|
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
|
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
|
|
|
|
|
|
#ifndef _MCHECK_H
|
|
|
|
|
#define _MCHECK_H 1
|
|
|
|
|
|
1997-12-15 06:24:57 +08:00
|
|
|
#include <features.h>
|
1996-12-20 09:39:50 +08:00
|
|
|
|
1997-12-15 06:24:57 +08:00
|
|
|
__BEGIN_DECLS
|
1996-12-20 09:39:50 +08:00
|
|
|
|
|
|
|
|
/* Return values for `mprobe': these are the kinds of inconsistencies that
|
|
|
|
|
`mcheck' enables detection of. */
|
|
|
|
|
enum mcheck_status
|
|
|
|
|
{
|
|
|
|
|
MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */
|
|
|
|
|
MCHECK_OK, /* Block is fine. */
|
|
|
|
|
MCHECK_FREE, /* Block freed twice. */
|
|
|
|
|
MCHECK_HEAD, /* Memory before the block was clobbered. */
|
|
|
|
|
MCHECK_TAIL /* Memory after the block was clobbered. */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Activate a standard collection of debugging hooks. This must be called
|
|
|
|
|
before `malloc' is ever called. ABORTFUNC is called with an error code
|
|
|
|
|
(see enum above) when an inconsistency is detected. If ABORTFUNC is
|
|
|
|
|
null, the standard function prints on stderr and then calls `abort'. */
|
|
|
|
|
extern int mcheck __P ((void (*__abortfunc) __P ((enum mcheck_status))));
|
|
|
|
|
|
|
|
|
|
/* Check for aberrations in a particular malloc'd block. You must have
|
|
|
|
|
called `mcheck' already. These are the same checks that `mcheck' does
|
|
|
|
|
when you free or reallocate a block. */
|
|
|
|
|
extern enum mcheck_status mprobe __P ((__ptr_t __ptr));
|
|
|
|
|
|
|
|
|
|
/* Activate a standard collection of tracing hooks. */
|
|
|
|
|
extern void mtrace __P ((void));
|
|
|
|
|
extern void muntrace __P ((void));
|
|
|
|
|
|
1997-12-15 06:24:57 +08:00
|
|
|
__END_DECLS
|
1996-12-20 09:39:50 +08:00
|
|
|
|
|
|
|
|
#endif /* mcheck.h */
|
