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authorUlrich Drepper <drepper@gmail.com>2011-05-15 09:40:30 -0400
committerUlrich Drepper <drepper@gmail.com>2011-05-15 09:40:30 -0400
commit05f399e63428b5129ca54f9edefbf2876f82b75c (patch)
tree30008ed6560d57337b5bee8a802ce72346aca6e7
parent10a52685af7f060284232ce5b9c5935ca2f5c25e (diff)
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Use non-cancelable interfaces in setup code
-rw-r--r--ChangeLog3
-rw-r--r--sysdeps/unix/sysv/linux/dl-osinfo.h9
2 files changed, 8 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index f9ab6dbb1b..ed1754db23 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2011-05-15 Ulrich Drepper <drepper@gmail.com>
+ * sysdeps/unix/sysv/linux/dl-osinfo.h (_dl_setup_stack_chk_guard):
+ Use non-cancelable interfaces.
+
[BZ #9809]
* locale/iso-639.def: Add entry for Sorani.
diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h b/sysdeps/unix/sysv/linux/dl-osinfo.h
index df07869bc5..ffe5d586b5 100644
--- a/sysdeps/unix/sysv/linux/dl-osinfo.h
+++ b/sysdeps/unix/sysv/linux/dl-osinfo.h
@@ -1,5 +1,5 @@
/* Operating system specific code for generic dynamic loader functions. Linux.
- Copyright (C) 2000-2002,2004-2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2000-2002,2004-2009,2011 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
@@ -21,6 +21,7 @@
#include <dl-sysdep.h>
#include <fcntl.h>
#include <stdint.h>
+#include <not-cancel.h>
#ifndef MIN
# define MIN(a,b) (((a)<(b))?(a):(b))
@@ -67,11 +68,11 @@ _dl_setup_stack_chk_guard (void *dl_random)
if (__builtin_expect (dl_random == NULL, 0))
{
# ifdef ENABLE_STACKGUARD_RANDOMIZE
- int fd = __open ("/dev/urandom", O_RDONLY);
+ int fd = open_not_cancel_2 ("/dev/urandom", O_RDONLY);
if (fd >= 0)
{
- ssize_t reslen = __read (fd, &ret, sizeof (ret));
- __close (fd);
+ ssize_t reslen = read_not_cancel (fd, &ret, sizeof (ret));
+ close_not_cancel_no_status (fd);
if (reslen == (ssize_t) sizeof (ret))
return ret;
}