60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
|
||
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
|
||
|
||
#include <features.h>
|
||
|
||
__BEGIN_DECLS
|
||
|
||
/* 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 (void (*__abortfunc) (enum mcheck_status)) __THROW;
|
||
|
||
/* Similar to `mcheck´ but performs checks for all block whenever one of
|
||
the memory handling functions is called. This can be very slow. */
|
||
extern int mcheck_pedantic (void (*__abortfunc) (enum mcheck_status)) __THROW;
|
||
|
||
/* 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 (void *__ptr) __THROW;
|
||
|
||
/* Activate a standard collection of tracing hooks. */
|
||
extern void mtrace (void) __THROW;
|
||
extern void muntrace (void) __THROW;
|
||
|
||
__END_DECLS
|
||
|
||
#endif /* mcheck.h */
|