1 files changed, 62 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/mcheck.h b/newlib/libc/sys/linux/include/mcheck.h
new file mode 100644
index 000000000..39e396d38
--- /dev/null
+++ b/newlib/libc/sys/linux/include/mcheck.h
@@ -0,0 +1,62 @@
+/* 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 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Modified for newlib, July 9, 2002 by Jeff Johnston */
+
+#ifndef _MCHECK_H
+#define _MCHECK_H	1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* 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));
+
+/* 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));
+
+/* 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);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* mcheck.h */