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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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6b48d5e6f5
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Michal Privoznik 6b48d5e6f5 virNetClientSetTLSSession: Restore original signal mask 
Currently, we use pthread_sigmask(SIG_BLOCK, ...) prior to calling
poll(). This is okay, as we don't want poll() to be interrupted.
However, then - immediately as we fall out from the poll() - we try to
restore the original sigmask - again using SIG_BLOCK. But as the man
page says, SIG_BLOCK adds signals to the signal mask:

SIG_BLOCK
      The set of blocked signals is the union of the current set and the set argument.

Therefore, when restoring the original mask, we need to completely
overwrite the one we set earlier and hence we should be using:

SIG_SETMASK
      The set of blocked signals is set to the argument set.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 3d4b4f5ac6)
2014-03-19 17:31:37 -06:00
.gnulib@644c40496c maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
build-aux Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
daemon Fix crash in remoteDispatchDomainMemoryStats (CVE-2013-4296) 2013-09-18 14:03:38 -06:00
docs Fix minor typos in messages and docs 2014-02-18 17:37:25 +00:00
examples examples: fix mingw build vs. printf 2013-07-29 16:20:29 -06:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include Add a virGetLastErrorMessage() function 2013-06-12 16:37:55 -04:00
m4 Fix build with clang 2013-07-29 15:59:21 -06:00
po Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
python Return right error code for baselineCPU 2013-12-14 13:39:20 -05:00
src virNetClientSetTLSSession: Restore original signal mask 2014-03-19 17:31:37 -06:00
tests Don't ignore errors parsing nwfilter rules 2014-02-06 15:05:31 +02:00
tools libvirt-guests: Run only after libvirtd 2013-11-20 09:04:09 -05:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a test suite for cgroups functionality 2013-04-15 17:35:31 +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 Disable static libraries by default 2013-04-03 11:02:27 +01:00
autogen.sh build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
bootstrap maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
bootstrap.conf maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
cfg.mk build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
COPYING.LIB Update to COPYING.LIB to latest LGPLv2.1 copy 2013-03-15 10:50:32 +01:00
HACKING Fix minor typos in messages and docs 2014-02-18 17:37:25 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
Makefile.am build: Fix AUTHORS generation 2012-12-17 21:17:55 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
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>