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| author | Eric W. Biederman | 2013-01-11 23:46:38 +0100 |
|---|---|---|
| committer | Karel Zak | 2013-01-17 13:17:13 +0100 |
| commit | f8aa8e9495dd89f39b7d0db5aab431cac02ea519 (patch) | |
| tree | 3b60cc0fd926eb2fdd02122952322fbdf5067802 /configure.ac | |
| parent | Revert "unshare: support the switching of namespaces" (diff) | |
| download | kernel-qcow2-util-linux-f8aa8e9495dd89f39b7d0db5aab431cac02ea519.tar.gz kernel-qcow2-util-linux-f8aa8e9495dd89f39b7d0db5aab431cac02ea519.tar.xz kernel-qcow2-util-linux-f8aa8e9495dd89f39b7d0db5aab431cac02ea519.zip | |
nsenter: new command (light wrapper around setns)
Inspired by unshare, nsenter is a simple wrapper around setns that
allows running a new process in the context of an existing process.
Full paths may be specified to the namespace arguments so that
namespace file descriptors may be used wherever they reside in the
filesystem.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index e937736b6..52deda848 100644 --- a/configure.ac +++ b/configure.ac @@ -867,6 +867,17 @@ if test "x$build_unshare" = xyes; then AC_CHECK_FUNCS([unshare]) fi +AC_ARG_ENABLE([nsenter], + AS_HELP_STRING([--disable-nsenter], [do not build nsenter]), + [], enable_nsenter=check +) +UL_BUILD_INIT([nsenter]) +UL_REQUIRES_LINUX([nsenter]) +UL_REQUIRES_SYSCALL_CHECK([setns], [UL_CHECK_SYSCALL([setns])]) +AM_CONDITIONAL(BUILD_NSENTER, test "x$build_nsenter" = xyes) +if test "x$build_nsenter" = xyes; then + AC_CHECK_FUNCS([setns]) +fi AC_ARG_ENABLE([arch], AS_HELP_STRING([--enable-arch], [do build arch]), |