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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 f972a7c72c nwfilter: make ignoring non-zero status easier to follow 
While auditing all callers of virCommandRun, I noticed that nwfilter
code never paid attention to commands with a non-zero status; they
were merely passing a pointer to avoid spamming the logs with a
message about commands that might indeed fail.  But proving this
required chasing through a lot of code; refactoring things to
localize the decision of whether to ignore non-zero status makes
it easier to prove that later changes to virFork don't negatively
affect this code.

While at it, I also noticed that ebiptablesRemoveRules would
actually report success if the child process failed for a
reason other than non-zero status, such as OOM.

* src/nwfilter/nwfilter_ebiptables_driver.c (ebiptablesExecCLI):
Change parameter from pointer to bool.
(ebtablesApplyBasicRules, ebtablesApplyDHCPOnlyRules)
(ebtablesApplyDropAllRules, ebtablesCleanAll)
(ebiptablesApplyNewRules, ebiptablesTearNewRules)
(ebiptablesTearOldRules, ebiptablesAllTeardown)
(ebiptablesDriverInitWithFirewallD)
(ebiptablesDriverTestCLITools, ebiptablesDriverProbeStateMatch):
Adjust all clients.
(ebiptablesRemoveRules): Likewise, and fix return value on failure.

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-03-03 12:40:31 -07:00
.gnulib@72fb9075b2 maint: update to latest gnulib, for older autoconf 2014-02-21 17:18:34 -07:00
build-aux Make syntax check notice assignments w/o surrounding spaces. 2014-01-20 14:35:26 +01:00
daemon virNetServerRun: Notify systemd that we're accepting clients 2014-02-24 10:54:48 +01:00
docs docs: typo fix 2014-03-03 17:41:26 +04:00
examples AppArmor: Fix the place where the template should be installed 2014-02-12 06:34:32 -07:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include bhyve: add a basic driver 2014-02-19 14:21:50 +00:00
m4 build: use --with-systemd-daemon as configure option 2014-02-26 05:59:22 -07:00
po Release of libvirt-1.2.2 2014-03-02 23:09:45 +08:00
src nwfilter: make ignoring non-zero status easier to follow 2014-03-03 12:40:31 -07:00
tests Fix indentation in virsystemdmock 2014-03-03 14:35:23 +01:00
tools virsh: add --all flag to 'event' command 2014-02-28 13:54:04 -07:00
.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 tests for virUSBDeviceFind functions 2014-03-03 14:35:22 +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 Roman Bogorodskiy to the committers list 2014-02-20 20:51:08 +04:00
autobuild.sh Remove python binding 2013-11-25 16:08:00 +00:00
autogen.sh autogen.sh: Correctly detect .git as a file 2013-08-29 13:19:45 +02:00
bootstrap maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk Add tests for virUSBDeviceFind functions 2014-03-03 14:35:22 +01:00
ChangeLog-old maint: typo fixes 2013-10-22 16:49:32 +01:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Bump version to 1.2.3 for new dev cycle 2014-03-03 09:43:25 +01:00
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 maint: enforce comma style usage 2013-11-20 09:24:18 -07:00
libvirt.pc.in Add missing 'libvirt_lxc_api' variable in pkg-config file 2013-09-04 14:52:40 +01:00
libvirt.spec.in Release of libvirt-1.2.2 2014-03-02 23:09:45 +08:00
Makefile.am Introduce Libvirt Wireshark dissector 2014-01-20 17:09:41 +01:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in Remove python binding 2013-11-25 16:08:00 +00:00
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 Remove python binding 2013-11-25 16:08:00 +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>