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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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Jim Fehlig e0622ca281 libxl: Fix races in libxl event code 
The libxl driver is racy in it's interactions with libxl and libvirt's
event loop.  The event loop can invoke callbacks after libxl has
deregistered the event, and possibly access freed data associated with
the event.

This patch fixes the race by converting libxlDomainObjPrivate to a
virObjectLockable, and locking it while executing libxl upcalls and
libvirt event loop callbacks.

Note that using the virDomainObj lock is not satisfactory since it may
be desirable to hold the virDomainObj lock even when libxl events such
as reading and writing to xenstore need processed.
2013-01-25 11:31:19 -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 Introduce virTypedParamsClear public API 2013-01-18 15:04:00 +01:00
docs qemu: escape ipv6 for rbd network disk hosts 2013-01-25 11:48:24 +08:00
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 fix typos in comments for VIR_DOMAIN_PROCESS_SIGNAL_{PWR,SYS} 2013-01-22 16:58:42 +01:00
m4 Fix typo LIBCURL_{CFLAGS,LIBS} to CURL_{CFLAGS,LIBS} 2013-01-14 17:22:31 +00:00
po Add a port allocator class 2013-01-16 11:02:58 +00:00
python python: Fix bindings for virDomainSnapshotGet{Domain,Connect} 2013-01-24 21:24:30 +01:00
src libxl: Fix races in libxl event code 2013-01-25 11:31:19 -07:00
tests qemu: escape ipv6 for rbd network disk hosts 2013-01-25 11:48:24 +08:00
tools node_memory: Add '\n' to help message 2013-01-25 13:25:59 +08:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a port allocator class 2013-01-16 11:02:58 +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 spec: indent %if to make it easier to see conditions 2013-01-21 10:36:14 -07:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac build: further fixes for broken if_bridge.h 2013-01-14 21:08:23 -07:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Add a test suite for validating SELinux labelling 2013-01-14 13:40:04 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in spec: indent %if to make it easier to see conditions 2013-01-21 10:36:14 -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 spec: indent %if to make it easier to see conditions 2013-01-21 10:36:14 -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>