lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

2.5-18.1

Browse Source
This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sysdeps/unix/sysv/linux/readonly-area.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2004 Free Software Foundation, Inc.
/* Copyright (C) 2004, 2005 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
@ -16,6 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdio_ext.h>
@ -33,7 +34,19 @@ __readonly_area (const char *ptr, size_t size)
FILE *fp = fopen ("/proc/self/maps", "rc");
if (fp == NULL)
return -1;
{
/* It is the system administrator's choice to not have /proc
available to this process (e.g., because it runs in a chroot
environment. Don't fail in this case. */
if (errno == ENOENT
/* The kernel has a bug in that a process is denied access
to the /proc filesystem if it is set[ug]id. There has
been no willingness to change this in the kernel so
far. */
|| errno == EACCES)
return 1;
return -1;
}
/* We need no locking. */
__fsetlocking (fp, FSETLOCKING_BYCALLER);