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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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b8c298d301
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Laine Stump b8c298d301 util: include stderr in log message when an external command fails 
This patch is in response to:

  https://bugzilla.redhat.com/show_bug.cgi?id=818467

If a caller to virCommandRun doesn't ask for the exitstatus of the
program it's running, the virCommand functions assume that they should
log an error message and return failure if the exit code isn't
0. However, only the commandline and exit status are logged, while
potentially useful information sent by the program to stderr is
discarded.

Fortunately, virCommandRun is already checking if the caller had asked
for stderr to be saved and, if not, sets things up to save it in
*cmd->errbuf. This makes it fairly simple for virCommandWait to
include *cmd->errbuf in the error log (there are still other callers
that don't setup errbuf, and even virCommandRun won't set it up if the
command is being daemonized, so we have to check that it's non-zero).
2012-08-07 15:25:40 -04:00
.gnulib@dbd914496c build: update to latest gnulib, for secure tarball 2012-07-26 07:50:59 -06:00
build-aux Remove tabs from all perl files & enforce this 2012-07-30 13:09:57 +01:00
daemon Turn virNetServer* into virObject instances 2012-08-07 11:47:55 +01:00
docs Added timestamps to storage volumes 2012-08-02 17:14:17 -06:00
examples apparmor: QEMU bridge helper policy updates 2012-08-06 16:56:59 +02:00
gnulib build: fix fresh checkout on RHEL5 2012-04-19 17:11:43 -06:00
include parallels: add driver skeleton 2012-08-01 11:44:26 +08:00
m4 Added timestamps to storage volumes 2012-08-02 17:14:17 -06:00
po parallels: add storage driver 2012-08-01 11:48:01 +08:00
python python: Don't generate bodies for close callback functions 2012-07-30 15:38:07 +02:00
src util: include stderr in log message when an external command fails 2012-08-07 15:25:40 -04:00
tests Set LIBVIRT_AUTOSTART=0 when running test suites 2012-08-07 14:58:17 +01:00
tools virsh: Use vshPrint instead of printf 2012-08-06 12:35:42 +08:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore Rewrite virAtomic APIs using GLib's atomic ops code 2012-08-02 11:50:59 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: consolidate AUTHOR listings for Gerd von Egidy 2012-08-01 17:29:46 -06:00
AUTHORS Add -netdev bridge capabilities 2012-08-06 16:56:59 +02:00
autobuild.sh Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
autogen.sh Allow NOCONFIGURE=1 to make autogen.sh skip ./configure 2012-06-25 10:41:10 +01:00
bootstrap maint: regenerate bootstrap 2012-07-27 09:34:04 -06:00
bootstrap.conf Added timestamps to storage volumes 2012-08-02 17:14:17 -06:00
cfg.mk Turn virNetClient* into virObject instances 2012-08-07 11:47:55 +01:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac build: add stubs so mdns code can be unconditionally compiled 2012-08-02 13:35:21 -06:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING docs: Improve patch submission guidelines 2012-07-16 11:05:12 +02:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in spec: Remove extra () with return statement 2012-08-01 13:09:57 +02:00
Makefile.am Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in parallels: add driver skeleton 2012-08-01 11:44:26 +08:00
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>