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The documentation of namespace callbacks was inconsistent on whether it preserved positive return values. Now that we have a dedicated EXIT_CANCELED to flag all errors before getting to the callback, it is possible to use positive return values (not that any of the current callers do, but it is better to match the docs). Also, while vircommand.c is careful to close fds that a child should not have, it's still better to be in the practice of setting FD_CLOEXEC up front. * src/util/virprocess.c (virProcessRunInMountNamespace): Tweak return value to pass back non-zero status. Avoid leaking pipe fds to other threads. * src/util/virprocess.h: Fix comment. Signed-off-by: Eric Blake <eblake@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>