1*53ee8cc1Swenshuai.xi /* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. 2*53ee8cc1Swenshuai.xi This file is part of the GNU C Library. 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi The GNU C Library is free software; you can redistribute it and/or 5*53ee8cc1Swenshuai.xi modify it under the terms of the GNU Lesser General Public 6*53ee8cc1Swenshuai.xi License as published by the Free Software Foundation; either 7*53ee8cc1Swenshuai.xi version 2.1 of the License, or (at your option) any later version. 8*53ee8cc1Swenshuai.xi 9*53ee8cc1Swenshuai.xi The GNU C Library is distributed in the hope that it will be useful, 10*53ee8cc1Swenshuai.xi but WITHOUT ANY WARRANTY; without even the implied warranty of 11*53ee8cc1Swenshuai.xi MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*53ee8cc1Swenshuai.xi Lesser General Public License for more details. 13*53ee8cc1Swenshuai.xi 14*53ee8cc1Swenshuai.xi You should have received a copy of the GNU Lesser General Public 15*53ee8cc1Swenshuai.xi License along with the GNU C Library; if not, write to the Free 16*53ee8cc1Swenshuai.xi Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17*53ee8cc1Swenshuai.xi 02111-1307 USA. */ 18*53ee8cc1Swenshuai.xi 19*53ee8cc1Swenshuai.xi #ifndef _MCHECK_H 20*53ee8cc1Swenshuai.xi #define _MCHECK_H 1 21*53ee8cc1Swenshuai.xi 22*53ee8cc1Swenshuai.xi #include <features.h> 23*53ee8cc1Swenshuai.xi 24*53ee8cc1Swenshuai.xi __BEGIN_DECLS 25*53ee8cc1Swenshuai.xi 26*53ee8cc1Swenshuai.xi /* Return values for `mprobe': these are the kinds of inconsistencies that 27*53ee8cc1Swenshuai.xi `mcheck' enables detection of. */ 28*53ee8cc1Swenshuai.xi enum mcheck_status 29*53ee8cc1Swenshuai.xi { 30*53ee8cc1Swenshuai.xi MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */ 31*53ee8cc1Swenshuai.xi MCHECK_OK, /* Block is fine. */ 32*53ee8cc1Swenshuai.xi MCHECK_FREE, /* Block freed twice. */ 33*53ee8cc1Swenshuai.xi MCHECK_HEAD, /* Memory before the block was clobbered. */ 34*53ee8cc1Swenshuai.xi MCHECK_TAIL /* Memory after the block was clobbered. */ 35*53ee8cc1Swenshuai.xi }; 36*53ee8cc1Swenshuai.xi 37*53ee8cc1Swenshuai.xi 38*53ee8cc1Swenshuai.xi /* Activate a standard collection of debugging hooks. This must be called 39*53ee8cc1Swenshuai.xi before `malloc' is ever called. ABORTFUNC is called with an error code 40*53ee8cc1Swenshuai.xi (see enum above) when an inconsistency is detected. If ABORTFUNC is 41*53ee8cc1Swenshuai.xi null, the standard function prints on stderr and then calls `abort'. */ 42*53ee8cc1Swenshuai.xi extern int mcheck (void (*__abortfunc) (enum mcheck_status)) __THROW; 43*53ee8cc1Swenshuai.xi 44*53ee8cc1Swenshuai.xi /* Similar to `mcheck� but performs checks for all block whenever one of 45*53ee8cc1Swenshuai.xi the memory handling functions is called. This can be very slow. */ 46*53ee8cc1Swenshuai.xi extern int mcheck_pedantic (void (*__abortfunc) (enum mcheck_status)) __THROW; 47*53ee8cc1Swenshuai.xi 48*53ee8cc1Swenshuai.xi /* Force check of all blocks now. */ 49*53ee8cc1Swenshuai.xi extern void mcheck_check_all (void); 50*53ee8cc1Swenshuai.xi 51*53ee8cc1Swenshuai.xi /* Check for aberrations in a particular malloc'd block. You must have 52*53ee8cc1Swenshuai.xi called `mcheck' already. These are the same checks that `mcheck' does 53*53ee8cc1Swenshuai.xi when you free or reallocate a block. */ 54*53ee8cc1Swenshuai.xi extern enum mcheck_status mprobe (void *__ptr) __THROW; 55*53ee8cc1Swenshuai.xi 56*53ee8cc1Swenshuai.xi /* Activate a standard collection of tracing hooks. */ 57*53ee8cc1Swenshuai.xi extern void mtrace (void) __THROW; 58*53ee8cc1Swenshuai.xi extern void muntrace (void) __THROW; 59*53ee8cc1Swenshuai.xi 60*53ee8cc1Swenshuai.xi __END_DECLS 61*53ee8cc1Swenshuai.xi 62*53ee8cc1Swenshuai.xi #endif /* mcheck.h */ 63