GNU C Library master sources branch, master, updated. glibc-2.12-77-gdeb9cab
Tue Jul 27 11:25:00 GMT 2010

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".

The branch, master has been updated
       via  deb9cabbf475da0b65d7acdb364987c4a15b4214 (commit)
      from  932ac045f0b3f57bf3c693920f4dac5009b8807e (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------;a=commitdiff;h=deb9cabbf475da0b65d7acdb364987c4a15b4214

commit deb9cabbf475da0b65d7acdb364987c4a15b4214
Author: Andreas Schwab <>
Date:   Mon Jul 26 15:28:15 2010 +0200

    Document M_PERTURB

diff --git a/ChangeLog b/ChangeLog
index 6603a56..a5baf6c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-27  Andreas Schwab  <>
+	* manual/memory.texi (Malloc Tunable Parameters): Document
 2010-07-26  Roland McGrath  <>
 	[BZ #11840]
diff --git a/manual/memory.texi b/manual/memory.texi
index 59ea1ee..db63c33 100644
--- a/manual/memory.texi
+++ b/manual/memory.texi
@@ -702,6 +702,11 @@ be allocated via @code{mmap}.
 @item M_MMAP_MAX
 The maximum number of chunks to allocate with @code{mmap}.  Setting this
 to zero disables all use of @code{mmap}.
+@item M_PERTURB
+If non-zero, memory blocks are filled with values depending on some
+low order bits of this parameter when they are allocated (except when
+allocated by @code{calloc}) and freed.  This can be used to debug the
+use of uninitialized or freed heap memory.
 @end table
 @end deftypefun


Summary of changes:
 ChangeLog          |    5 +++++
 manual/memory.texi |    5 +++++
 2 files changed, 10 insertions(+), 0 deletions(-)

GNU C Library master sources

More information about the Glibc-cvs mailing list