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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Michal Privoznik 108e131a3d qemu_agent: Rework domain object locking when opening agent
Just like qemuMonitorOpen(), hold the domain object locked
throughout the whole time of qemuConnectAgent() and unlock it
only for a brief time of actual connect() (because this is the
only part that has a potential of blocking).

The reason is that qemuAgentOpen() does access domain object
(well, its privateData) AND also at least one argument (@context)
depends on domain object. Accessing these without the lock is
potentially dangerous.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1845468#c12
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-11-12 14:11:11 +01:00
.ctags.d maint: Add support for .ctags.d 2019-05-31 17:54:28 +02:00
.github/workflows Switch to new GitHub repo-lockdown configuration 2021-10-20 14:27:20 +01:00
.gitlab/issue_templates gitlab: Add disclaimer to the 'feature' issue template 2021-07-30 15:26:45 +02:00
build-aux syntax-check: Fix regex for sc_require_attribute_cleanup_initialization 2021-11-05 15:00:53 +01:00
ci ci: regenerate container from manifest 2021-10-25 12:45:31 +01:00
docs Add suggestions for virt-pki-query-dn usage 2021-11-12 12:37:29 +01:00
examples qemu: Wire up MEMORY_DEVICE_SIZE_CHANGE event 2021-10-01 11:04:47 +02:00
include domain: add interface information to 'virDomainGetGuestInfo' 2021-11-05 13:38:40 +01:00
po tools: Add virt-pki-query-dn binary 2021-11-12 12:37:29 +01:00
scripts scripts: Properly declare g_auto() stub for cocci 2021-11-03 14:46:54 +01:00
src qemu_agent: Rework domain object locking when opening agent 2021-11-12 14:11:11 +01:00
tests Add suggestions for virt-pki-query-dn usage 2021-11-12 12:37:29 +01:00
tools tools: Add virt-pki-query-dn binary 2021-11-12 12:37:29 +01:00
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config.h meson: Declare GLIB_VERSION_* macros at configure 2021-05-03 12:08:26 +02:00
configmake.h.in meson: generate configmake.h 2020-08-03 09:26:48 +02:00
CONTRIBUTING.rst meson: adjust our documentation to mention meson instead of autoconf 2020-08-03 09:27:09 +02:00
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
gitdm.config gitdm: add 'ibm' file 2019-10-18 17:32:52 +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 tools: Add virt-pki-query-dn binary 2021-11-12 12:37:29 +01:00
meson_options.txt remote: switch to auto-spawn modular daemons by default 2021-06-18 17:13:15 +01:00
meson.build meson: Stop looking up ZFS programs at build time 2021-11-04 19:02:06 +01:00
mingw-libvirt.spec.in rpm: fix mingw obsoletes lines 2021-08-02 13:47:20 +01:00
NEWS.rst news: Mention the addition of virt-pki-query-dn binary 2021-11-12 12:37:29 +01:00
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run.in run: set abs_builddir variables 2021-08-12 10:33:55 +02:00

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Libvirt API for virtualization

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.

For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.

Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.

Further information about the libvirt project can be found on the website:

https://libvirt.org

License

The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.

Installation

Instructions on building and installing libvirt can be found on the website:

https://libvirt.org/compiling.html

Contributing

The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:

https://libvirt.org/contribute.html

Contact

The libvirt project has two primary mailing lists:

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html