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Libvirt native C API and daemons
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Michal Privoznik 1dc5dea7d6 qemu: Handle huge number of queues correctly 
Currently, kernel supports up to 8 queues for a multiqueue tap device.
However, if user tries to enter a huge number (e.g. one million) the tap
allocation fails, as expected. But what is not expected is the log full
of warnings:

    warning : virFileClose:83 : Tried to close invalid fd 0

The problem is, upon error we iterate over an array of FDs (handlers to
queues) and VIR_FORCE_CLOSE() over each item. However, the array is
pre-filled with zeros. Hence, we repeatedly close stdin. Ouch.
But there's more. The queues allocation is done in virNetDevTapCreate()
which cleans up the FDs in case of error. Then, its caller, the
virNetDevTapCreateInBridgePort() iterates over the FD array and tries to
close them too. And so does qemuNetworkIfaceConnect() and
qemuBuildInterfaceCommandLine().
2013-09-03 13:38:35 +02:00
.gnulib@0ba087759d maint: update gnulib submodule 2013-08-15 16:54:30 -06:00
build-aux Add API for calling systemd-machined's DBus API 2013-07-22 13:09:58 +01:00
daemon Add bounds checking on virConnectListAllSecrets RPC call 2013-08-29 15:36:13 +01:00
docs VMX: Add cdrom-raw dev type from VMWare Fusion 2013-09-02 17:41:30 -05:00
examples Test for object identity when checking for None in Python 2013-08-23 08:12:26 +02:00
gnulib build: add configure option to disable gnulib tests 2013-08-12 10:02:38 -06:00
include Add flag to BaselineCPU API to return detailed CPU features 2013-08-16 15:31:18 -06:00
m4 Check for --no-copy-dt-needed linker flag 2013-08-22 16:17:36 +02:00
po Release of libvirt-1.1.2 2013-09-02 09:47:37 +08:00
python Fix leaks in python bindings 2013-09-03 13:19:17 +02:00
src qemu: Handle huge number of queues correctly 2013-09-03 13:38:35 +02:00
tests VMX: Add cdrom-raw dev type from VMWare Fusion 2013-09-02 17:41:30 -05:00
tools virsh-domain: Avoid killing ssh transport tunnels when cancelling job 2013-09-03 09:55:27 +02:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add documentation for access control system 2013-08-09 17:13:02 +01:00
.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 John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh build: add configure option to disable gnulib tests 2013-08-12 10:02:38 -06:00
autogen.sh autogen.sh: Correctly detect .git as a file 2013-08-29 13:19:45 +02:00
bootstrap maint: update gnulib submodule 2013-08-15 16:54:30 -06:00
bootstrap.conf maint: avoid bootstrap warning 2013-08-15 16:54:06 -06:00
cfg.mk Prohibit unbounded arrays in XDR protocols 2013-08-29 15:36:13 +01:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Release of libvirt-1.1.2 2013-09-02 09:47:37 +08:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING docs: mention VIR_TEST_RANGE 2013-08-12 20:44:41 -06:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Release of libvirt-1.1.2 2013-09-02 09:47:37 +08:00
Makefile.am maint: split long lines in Makefiles 2013-07-19 05:25:35 -06:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in build: add configure option to disable gnulib tests 2013-08-12 10:02:38 -06:00
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 run: license as LGPL 2013-02-23 14:03:19 -07:00
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>