mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
2b778ceb40
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* Enter a mount namespace.
|
|
Copyright (C) 2017-2021 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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <support/namespace.h>
|
|
|
|
#include <sched.h>
|
|
#include <stdio.h>
|
|
#ifdef CLONE_NEWNS
|
|
# include <sys/mount.h>
|
|
#endif /* CLONE_NEWNS */
|
|
|
|
bool
|
|
support_enter_mount_namespace (void)
|
|
{
|
|
#ifdef CLONE_NEWNS
|
|
if (unshare (CLONE_NEWNS) == 0)
|
|
{
|
|
/* On some systems, / is marked as MS_SHARED, which means that
|
|
mounts within the namespace leak to the rest of the system,
|
|
which is not what we want. */
|
|
if (mount ("none", "/", NULL, MS_REC | MS_PRIVATE, NULL) != 0)
|
|
{
|
|
printf ("warning: making the mount namespace private failed: %m\n");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
printf ("warning: unshare (CLONE_NEWNS) failed: %m\n");
|
|
#endif /* CLONE_NEWNS */
|
|
return false;
|
|
}
|