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Libvirt native C API and daemons
24d8968cd0
In order to make a usable g_autoptr(DIR), we need to have a close
function that is a NOP when the pointer is NULL, but takes a simple
DIR*. But virDirClose() (candidate to be the g_autoptr cleanup
function) currently takes a DIR**, not DIR*. It does this so that it
can clear the pointer, thus making it safe to call virDirClose on the
same DIR multiple times.
In the past the clearing of the DIR* was essential in a few places,
but those few places have now been changed, so we can modify
virDirClose() to take a DIR*, and remove the side effect of clearing
the DIR*. This will make it directly usable as the g_autoptr cleanup,
and will mean that this:
{
DIR *dirp = NULL;
blah blah ...
VIR_DIR_CLOSE(dirp)
}
is functionally identical to
{
g_autoptr(DIR) dirp = NULL;
blah blah ...
}
which will make conversion to using g_autoptr mechanical and simple to review.
(Note that virDirClose() will still check for NULL before attempting
to close, so that it can always be safely called, as long as the DIR*
was initialized to NULL (another prerequisite of becoming a g_autoptr
cleanup function)
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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| config.h | ||
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| CONTRIBUTING.rst | ||
| COPYING | ||
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| gitdm.config | ||
| libvirt-admin.pc.in | ||
| libvirt-lxc.pc.in | ||
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| NEWS.rst | ||
| README.rst | ||
| run.in | ||
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==============================
Libvirt API for virtualization
==============================
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the
website:
https://libvirt.org
License
=======
The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.
Installation
============
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
============
The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
=======
The libvirt project has two primary mailing lists:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html