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Daniel P. Berrange 234ac4e18d Fix error reporting when poll returns POLLHUP/POLLERR
In the RPC client event loop code, if poll() returns only a POLLHUP
or POLLERR status, then we end up reporting a bogus error message:

  error: failed to connect to the hypervisor
  error: An error occurred, but the cause is unknown

We do actually report an error, but we virNetClientMarkClose method
has already captured the error status before we report it, so the
real error gets thrown away. The key fix is to report the error
before calling virNetClientMarkClose(). In changing this, we also
split out reporting of POLLHUP vs POLLERR to make any future bugs
easier to diagnose.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-04-20 10:15:46 +01:00
.gnulib@94386a1366 maint: update to latest gnulib 2017-01-10 12:54:54 -06:00
build-aux annotate all mocked functions with noinline 2017-04-19 10:51:51 +01:00
daemon Split out -Wframe-larger-than warning from WARN_CLFAGS 2017-04-06 12:29:35 +02:00
docs news: update for Hyper-V 2012+ support. 2017-04-08 15:57:43 +02:00
examples lib: Introduce event for tracking disk backing file write threshold 2017-03-27 09:29:57 +02:00
gnulib build: drop hack for old mingw ssize_t 2016-07-12 08:57:13 -06:00
include/libvirt lib: Add API for setting the threshold size for VIR_DOMAIN_EVENT_ID_BLOCK_THRESHOLD 2017-03-27 10:09:49 +02:00
m4 virt-storage-rbd: fix typo s/RDB/RBD/ in configure check 2017-04-19 15:01:17 +01:00
po Refresh translations from zanata 2017-04-19 16:58:12 +01:00
src Fix error reporting when poll returns POLLHUP/POLLERR 2017-04-20 10:15:46 +01:00
tests qemu: Pass migratable host CPU model to virCPUUpdate 2017-04-19 16:36:38 +02:00
tools virsh: report errors in virshInit() 2017-04-19 11:42:00 +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 Properly ignore files in build-aux directory 2017-04-07 10:08:33 +02:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: update .mailmap for recent contributions 2015-03-20 06:17:55 -06:00
.travis.yml Add travis build configuration 2017-04-19 10:51:51 +01:00
AUTHORS.in Change maintainers list 2016-02-12 13:10:05 +03:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: Remove control characters from LGPL license file 2015-09-25 09:16:24 +02:00
ChangeLog-old Fix typos in src/* 2014-04-21 16:49:08 -06:00
HACKING Document preferred naming conventions 2017-03-10 11:28:56 +00:00
Makefile.am Drop autobuild.sh 2017-04-13 19:03:46 +02:00
Makefile.nonreentrant cfg.mk: use a single regex for all non-reentrant functions 2016-06-15 15:00:56 +02:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking docs: update README-hacking 2014-05-06 16:20:24 -06:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00
autogen.sh maint: improve usage of autogen's --no-git 2015-02-06 11:35:29 -07:00
bootstrap maint: update to latest gnulib 2017-01-10 12:54:54 -06:00
bootstrap.conf hvsupport: use a regex instead of XML::XPath 2016-07-19 18:42:44 +02:00
cfg.mk annotate all mocked functions with noinline 2017-04-19 10:51:51 +01:00
config-post.h m4/virt-devmapper: use LIBVIRT_CHECK_(PKG|LIB) 2016-12-21 15:39:39 +01:00
configure.ac Post-release version bump to 3.3.0 2017-04-03 08:32:02 +02:00
libvirt-admin.pc.in Add libvirt-admin library 2015-06-16 13:46:20 +02:00
libvirt-lxc.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt-qemu.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.spec.in spec: Avoid RPM verification errors on nwfilter XMLs 2017-04-19 11:36:06 +02:00
mingw-libvirt.spec.in test: fix screenshot API impl 2016-12-08 10:57:32 +00:00
run.in Add PKG_CONFIG_PATH to run.in script. 2014-06-26 14:32:35 +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>