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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.
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Eric Blake 798ff66790 maint: avoid potential promotion issues with [ug]id_t 
POSIX does not guarantee whether uid_t and gid_t are signed or
unsigned, nor does it guarantee whether they are smaller, same
size, or larger than int (or even the same size as one another).
Therefore, it is possible to have platforms where '(uid_t)-1==-1'
is false or where 'uid = gid = -1' sets uid to the wrong value,
thanks to integer promotion rules.  The only portable way to use
the placeholder value of these two types is to always use a cast.
Thankfully, the issue is mostly theoretical - sanlock only
compiles on Linux for now, and on Linux, these types do not
suffer from strange promotion problems.

* src/locking/lock_driver_sanlock.c
(virLockManagerSanlockSetupLockspace, virLockManagerSanlockInit)
(virLockManagerSanlockCreateLease): Cast -1 to proper type before
comparing with uid_t or gid_t.
2013-01-08 08:45:39 -07:00
.gnulib@61c7b1e32e build: fix build with optimization enabled 2013-01-03 10:12:47 -07:00
build-aux Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
daemon build: install libvirt sysctl file correctly 2013-01-07 08:56:37 -07:00
docs docs: remove duplicate check in index.add 2013-01-08 11:45:47 +01:00
examples examples: Fix balloon event callback 2012-12-11 13:25:50 +01:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include api: Add API to tunnel a guest channel via stream 2013-01-04 17:10:55 -07:00
m4 build: make broken -Wlogical-op test be gcc-only 2012-12-19 12:21:09 -07:00
po conf: Rename virconsole.* to virchrdev.* 2013-01-04 17:26:30 -07:00
python python: Adapt to virevent rename 2012-12-28 16:22:09 +01:00
src maint: avoid potential promotion issues with [ug]id_t 2013-01-08 08:45:39 -07:00
tests Resolve COPY_PASTE error found by Coverity 2013-01-08 16:21:46 +01:00
tools Move qemu-XXX commands from virsh-host.c to virsh-domain.c 2013-01-08 08:56:49 +00:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Rename lxc_protocol.x to lxc_monitor_protocol.x 2013-01-08 09:21:08 +00:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add Claudio Bley to the committers list 2013-01-08 16:34:30 +01:00
autobuild.sh Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
autogen.sh build: fix incremental autogen.sh when no AUTHORS is present 2012-12-03 14:59:09 -07:00
bootstrap maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
bootstrap.conf build: use autobuild module to make build logs nicer 2013-01-02 16:43:58 -07:00
cfg.mk Rename virterror.c virterror_internal.h to virerror.{c,h} 2012-12-21 11:19:50 +00:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Add internal APIs for dealing with namespaces 2013-01-08 09:21:08 +00:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in build: install libvirt sysctl file correctly 2013-01-07 08:56:37 -07:00
Makefile.am build: Fix AUTHORS generation 2012-12-17 21:17:55 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in build: fix mingw rpm build 2013-01-04 17:06:39 -07:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in Add a virtlockd client as a lock driver impl 2012-12-13 15:26:57 +00:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         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>