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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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62ed801c13
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Laine Stump 62ed801c13 security driver: ignore EINVAL when chowning an image file 
This fixes:

  https://bugzilla.redhat.com/show_bug.cgi?id=702044
  https://bugzilla.redhat.com/show_bug.cgi?id=709454

Both of these complain of a failure to use an image file that resides
on a read-only NFS volume. The function in the DAC security driver
that chowns image files to the qemu user:group before using them
already has special cases to ignore failure of chown on read-only file
systems, and in a few other cases, but it hadn't been checking for
EINVAL, which is what is returned if the qemu user doesn't even exist
on the NFS server.

Since the explanation of EINVAL in the chown man page almost exactly
matches the log message already present for the case of EOPNOTSUPP,
I've just added EINVAL to that same conditional.
2011-06-03 12:27:05 -04:00
.gnulib@9d196fad05 build: avoid strerror_r pitfalls 2011-05-25 10:12:35 -06:00
daemon remote: avoid leak on failure 2011-06-03 08:11:43 -06:00
docs Correct 'cputune' documentation example. 2011-06-03 08:40:51 -06:00
examples Introduce a new event emitted when a virtualization failure occurs 2011-05-29 20:21:53 +08:00
include Basic framework for lock manager plugins 2011-06-02 10:54:00 +01:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po Add a plugin for the 'sanlock' project 2011-06-02 10:54:01 +01:00
python Introduce a new event emitted when a virtualization failure occurs 2011-05-29 20:21:53 +08:00
src security driver: ignore EINVAL when chowning an image file 2011-06-03 12:27:05 -04:00
tests Support leases in guest XML and lock manager 2011-06-02 10:54:00 +01:00
tools docs: document iface-* commands 2011-06-02 13:29:12 -06:00
.dir-locals.el maint: make spacing in .sh files easier 2011-03-14 21:57:42 -06:00
.gitignore * .gitignore: Exempt a new test binary. 2011-05-31 11:35:32 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap qemu: allow blkstat/blkinfo calls during migration 2011-05-26 11:05:04 -06:00
AUTHORS Correct 'cputune' documentation example. 2011-06-03 08:40:51 -06:00
autobuild.sh Remove the Open Nebula driver 2011-03-28 14:09:11 +01:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: update to latest gnulib 2011-05-18 08:31:33 -06:00
bootstrap.conf build: require newer gettext 2011-05-19 17:54:47 -06:00
cfg.mk Pass graphics setup from dst back to src via migration cookies 2011-05-16 15:18:21 +01:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.ac Add call to sanlock_restrict() in QEMU lock driver 2011-06-02 17:23:44 +01:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING maint: rename virBufferVSprintf to virBufferAsprintf 2011-05-05 13:47:40 -06:00
libvirt.pc.in * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in Add a plugin for the 'sanlock' project 2011-06-02 10:54:01 +01:00
Makefile.am Re-add libvirt.spec to tarball to allwo "make rpm" 2011-05-09 14:23:19 +08:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Remove iohelper on Win32 since it is not required 2011-03-31 17:41:51 +01:00
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
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>