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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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b569c1abc1
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Osier Yang b569c1abc1 remote: Fix migration leaks 
How to reproduce:

% valgrind -v --leak-check=full virsh migrate mig \
  qemu+ssh://$dest/system --unsafe

== 8 bytes in 1 blocks are definitely lost in loss record 1 of 28
==    at 0x4A04A28: calloc (vg_replace_malloc.c:467)
==    by 0x3EB7115FB8: xdr_reference (in /lib64/libc-2.12.so)
==    by 0x3EB7115F10: xdr_pointer (in /lib64/libc-2.12.so)
==    by 0x4D1EA84: xdr_remote_string (remote_protocol.c:40)
==    by 0x4D1EAD8: xdr_remote_domain_migrate_prepare3_ret (remote_protocol.c:4772)
==    by 0x4D2FFD2: virNetMessageDecodePayload (virnetmessage.c:382)
==    by 0x4D2789C: virNetClientProgramCall (virnetclientprogram.c:382)
==    by 0x4D0707D: callWithFD (remote_driver.c:4549)
==    by 0x4D070FB: call (remote_driver.c:4570)
==    by 0x4D12AEE: remoteDomainMigratePrepare3 (remote_driver.c:4138)
==    by 0x4CF7BE9: virDomainMigrateVersion3 (libvirt.c:4815)
==    by 0x4CF9432: virDomainMigrate2 (libvirt.c:5454)
==
== LEAK SUMMARY:
==    definitely lost: 8 bytes in 1 blocks
==    indirectly lost: 0 bytes in 0 blocks
==      possibly lost: 0 bytes in 0 blocks
==    still reachable: 126,995 bytes in 1,343 blocks
==         suppressed: 0 bytes in 0 blocks

This patch also fixes the leaks in remoteDomainMigratePrepare and
remoteDomainMigratePrepare2.
2012-03-16 19:52:43 +08:00
.gnulib@d5612c714c build: prohibit cross-inclusion 2012-03-02 06:22:43 -07:00
daemon api: add overflow error 2012-03-07 18:24:43 -07:00
docs Add support for forcing a private network namespace for LXC guests 2012-03-15 17:00:39 +00:00
examples maint: consolidate several .gitignore files 2012-02-03 15:27:16 -07:00
gnulib build: update to latest gnulib 2012-01-12 15:47:54 -07:00
include cpustats: report user and sys times 2012-03-12 08:46:56 -06:00
m4 build: silence some compiler warnings from gnulib 2012-01-19 13:14:10 -07:00
po util: Add helpers for safe domain console operations 2012-02-27 15:05:17 +01:00
python python: Expose virDomain{G,S}etInterfaceParameters APIs in python binding 2012-02-16 10:15:16 +08:00
src remote: Fix migration leaks 2012-03-16 19:52:43 +08:00
tests qemu: Support numad 2012-03-15 12:24:56 +08:00
tools Allow overriding default URI in config file 2012-03-15 11:20:17 +00:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore remove daemon/probes.h from .gitignore 2012-03-08 17:00:40 -05:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS qemu: spice agent-mouse support 2012-03-09 15:26:24 +08:00
autobuild.sh Disable python explicitly in mingw32 autobuild 2011-12-19 13:44:18 +00:00
autogen.sh build: allow for local gnulib diffs 2011-11-09 09:03:33 -07:00
bootstrap build: update to latest gnulib 2012-02-29 10:27:40 -07:00
bootstrap.conf Replace hashing algorithm with murmurhash 2012-01-26 14:18:53 +00:00
cfg.mk build: use correct type for pid and similar types 2012-03-02 06:57:43 -07:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac qemu: Support numad 2012-03-15 12:24:56 +08:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
libvirt.spec.in Fixed service handling in specfile 2012-02-24 16:31:04 -07:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Fix typos in API XML file paths 2012-02-15 11:29:38 +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
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>