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Libvirt native C API and daemons
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25221a1b21
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Eric Blake 25221a1b21 maint: avoid nested use of virConnect{Ref,Close} 
The public virConnectRef and virConnectClose API are just thin
wrappers around virObjectRef/virObjectRef, with added object
validation and an error reset.  Within our backend drivers, use
of the object validation is just an inefficiency since we always
pass valid objects.  More important to think about is what
happens with the error reset; our uses of virConnectRef happened
to be safe (since we hadn't encountered any earlier errors), but
in several cases the use of virConnectClose could lose a real
error.

Ideally, we should also avoid calling virConnectOpen() from
within backend drivers - but that is a known situation that
needs much more design work.

* src/qemu/qemu_process.c (qemuProcessReconnectHelper)
(qemuProcessReconnect): Avoid nested public API call.
* src/qemu/qemu_driver.c (qemuAutostartDomains)
(qemuStateInitialize, qemuStateStop): Likewise.
* src/qemu/qemu_migration.c (doPeer2PeerMigrate): Likewise.
* src/storage/storage_driver.c (storageDriverAutostart):
Likewise.
* src/uml/uml_driver.c (umlAutostartConfigs): Likewise.
* src/lxc/lxc_process.c (virLXCProcessAutostartAll): Likewise.
(virLXCProcessReboot): Likewise, and avoid leaking conn on error.

Signed-off-by: Eric Blake <eblake@redhat.com>
2014-01-16 12:25:45 -07:00
.gnulib@d18d1b8023 build: fix bootstrap with older autoconf 2014-01-06 14:55:10 -07:00
build-aux maint: enforce comma style usage 2013-11-20 09:24:18 -07:00
daemon event: wire up RPC for server-side network event filtering 2014-01-15 13:55:21 -07:00
docs Release of libvirt-1.2.1 2014-01-16 17:25:58 +08:00
examples Allow to install apparmor profiles 2014-01-07 23:10:24 +01:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include Fix docs for PMWakeup/PMSuspend callback types 2014-01-15 17:00:18 +01:00
m4 aarch64: Disable -fstack-protector. 2014-01-01 14:21:21 +00:00
po Release of libvirt-1.2.1 2014-01-16 17:25:58 +08:00
src maint: avoid nested use of virConnect{Ref,Close} 2014-01-16 12:25:45 -07:00
tests tests: be more explicit on qcow2 versions in virstoragetest 2014-01-15 09:19:14 -07:00
tools Fix possible memory leak in virsh-domain-monitor.c in cmdDomblklist 2014-01-16 14:47:02 +01:00
.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 maint: ignore transient files during tests 2014-01-14 14:31:13 -07:00
.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 Pavel Hrdina to the committers list 2014-01-16 14:47:02 +01:00
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 examples: Resurrect domsuspend example 2013-12-24 17:17:35 +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 1.2.2 for new dev cycle 2014-01-16 11:09:43 +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-1.2.1 2014-01-16 17:25:58 +08:00
Makefile.am examples: Resurrect domsuspend example 2013-12-24 17:17:35 +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>