Add single-threaded path to _int_free

[thirdparty/glibc.git] / malloc / mcheck.h

diff --git a/malloc/mcheck.h b/malloc/mcheck.h
index d793bfc3dc34b2a3c619c8b0498f8c832370b2df..3d56bef238d1baa672165e16fdc7659a34a69360 100644 (file)
--- a/malloc/mcheck.h
+++ b/malloc/mcheck.h
@@ -1,23 +1,22 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2017 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.
+   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
-   Library General Public License for more details.
+   Lesser 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.  */
+   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
+#define _MCHECK_H       1
 
 #include <features.h>
 
@@ -26,30 +25,36 @@ __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.  */
-  };
+{
+  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))));
+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 __P ((__ptr_t __ptr));
+extern enum mcheck_status mprobe (void *__ptr) __THROW;
 
 /* Activate a standard collection of tracing hooks.  */
-extern void mtrace __P ((void));
-extern void muntrace __P ((void));
+extern void mtrace (void) __THROW;
+extern void muntrace (void) __THROW;
 
 __END_DECLS
-
 #endif /* mcheck.h */