git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bd355af0 | 1 | /* Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
| 6d52618b UD |
2 | This file is part of the GNU C Library. |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU Library General Public License as | |
| 6 | published by the Free Software Foundation; either version 2 of the | |
| 7 | License, or (at your option) any later version. | |
| 8 | ||
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | Library General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Library General Public | |
| 15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 17 | Boston, MA 02111-1307, USA. */ | |
| 18 | ||
| 19 | #ifndef _MCHECK_H | |
| 20 | #define _MCHECK_H 1 | |
| 21 | ||
| bd355af0 | 22 | #include <features.h> |
| 6d52618b | 23 | |
| bd355af0 | 24 | __BEGIN_DECLS |
| 6d52618b UD |
25 | |
| 26 | /* Return values for `mprobe': these are the kinds of inconsistencies that | |
| 27 | `mcheck' enables detection of. */ | |
| 28 | enum mcheck_status | |
| 29 | { | |
| 30 | MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */ | |
| 31 | MCHECK_OK, /* Block is fine. */ | |
| 32 | MCHECK_FREE, /* Block freed twice. */ | |
| 33 | MCHECK_HEAD, /* Memory before the block was clobbered. */ | |
| 34 | MCHECK_TAIL /* Memory after the block was clobbered. */ | |
| 35 | }; | |
| 36 | ||
| 37 | ||
| 38 | /* Activate a standard collection of debugging hooks. This must be called | |
| 39 | before `malloc' is ever called. ABORTFUNC is called with an error code | |
| 40 | (see enum above) when an inconsistency is detected. If ABORTFUNC is | |
| 41 | null, the standard function prints on stderr and then calls `abort'. */ | |
| 42 | extern int mcheck __P ((void (*__abortfunc) __P ((enum mcheck_status)))); | |
| 43 | ||
| 44 | /* Check for aberrations in a particular malloc'd block. You must have | |
| 45 | called `mcheck' already. These are the same checks that `mcheck' does | |
| 46 | when you free or reallocate a block. */ | |
| 47 | extern enum mcheck_status mprobe __P ((__ptr_t __ptr)); | |
| 48 | ||
| 49 | /* Activate a standard collection of tracing hooks. */ | |
| 50 | extern void mtrace __P ((void)); | |
| 51 | extern void muntrace __P ((void)); | |
| 52 | ||
| bd355af0 | 53 | __END_DECLS |
| 6d52618b UD |
54 | |
| 55 | #endif /* mcheck.h */ |