mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 22:30:07 +00:00
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/* Copyright (C) 1996-2014 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#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;
|
|
|
|
/* Force check of all blocks now. */
|
|
extern void mcheck_check_all (void);
|
|
|
|
/* 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 */
|