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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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87b7e148e9
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Alex Jia 87b7e148e9 qemu: plug memory leak 
Leak introduced in commit c1bc3d89.
Detected by valgrind:

==18462== 1,100 bytes in 1 blocks are definitely lost in loss record 183 of 184
==18462==    at 0x4A05FDE: malloc (vg_replace_malloc.c:236)
==18462==    by 0x4A06167: realloc (vg_replace_malloc.c:525)
==18462==    by 0x4AADBB: virReallocN (memory.c:161)
==18462==    by 0x4A975E: virBufferGrow (buf.c:117)
==18462==    by 0x4A9D92: virBufferVasprintf (buf.c:290)
==18462==    by 0x4A9EF7: virBufferAsprintf (buf.c:263)
==18462==    by 0x429488: qemuBuildControllerDevStr (qemu_command.c:1993)
==18462==    by 0x42C4B6: qemuBuildCommandLine (qemu_command.c:3803)
==18462==    by 0x41A604: testCompareXMLToArgvHelper (qemuxml2argvtest.c:124)
==18462==    by 0x41BB81: virtTestRun (testutils.c:141)
==18462==    by 0x416DFF: mymain (qemuxml2argvtest.c:369)
==18462==    by 0x41B277: virtTestMain (testutils.c:696)
==18462==
==18462== LEAK SUMMARY:
==18462==    definitely lost: 1,100 bytes in 1 blocks
==18462==    indirectly lost: 0 bytes in 0 blocks

* src/qemu/qemu_command.c (qemuBuildCommandLine): Clean up on success.

Signed-off-by: Alex Jia <ajia@redhat.com>
2011-10-28 10:22:49 -06:00
.gnulib@2394a603e7 build: update to latest gnulib 2011-10-13 08:50:24 -06:00
daemon Implement RPC driver support for virDomainOpenGraphics 2011-10-28 10:43:00 +01:00
docs Extend RPC protocol to allow FD passing 2011-10-28 10:27:15 +01:00
examples Add APIs for virNetSocket for sending/receiving file descriptors 2011-10-28 10:23:53 +01:00
gnulib freebsd: Fix build problem due to picking up the wrong libvirt.h 2011-07-29 07:35:54 -06:00
include Extend graphics event to include UNIX socket 2011-10-28 10:23:53 +01:00
m4 tests: Lower stack usage below 4096 bytes 2011-04-30 19:59:52 +02:00
po Release of libvirt-0.9.6 2011-09-22 14:53:23 +08:00
python startupPolicy: Emit event on disk source dropping 2011-10-25 09:27:10 +02:00
src qemu: plug memory leak 2011-10-28 10:22:49 -06:00
tests qemu: simplify use of HAVE_YAJL 2011-10-26 11:55:39 -06:00
tools virsh: Fix error message on vol-create-from failure 2011-10-27 21:28:22 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore snapshot: test domainsnapshot indentation 2011-10-20 16:02:16 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap bridge_driver.c: Fix autoconf setting 2011-10-03 23:35:29 -04:00
AUTHORS bridge: modify for use when sVirt is enabled with qemu 2011-10-27 20:28:39 -06:00
autobuild.sh spec: mingw cleanups 2011-10-13 09:21:02 -06:00
autogen.sh build: avoid problems with autogen.sh runs from tarball 2011-02-12 06:28:28 -07:00
bootstrap build: fix compilation on mingw64 2011-08-19 07:20:10 -06:00
bootstrap.conf build: use gnulib fdatasync 2011-10-25 09:48:34 -06:00
cfg.mk Update examples for probing with systemtap 2011-10-11 11:26:15 +01:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.ac build: avoid RHEL 5 build failure on LXC 2011-10-26 10:11:50 -06:00
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 * libvirt.pc.in: applied patch from Daniel Berrange to fix --cflags 2006-03-24 13:18:12 +00:00
libvirt.spec.in Allow for URI aliases when connecting to libvirt 2011-10-19 09:14:34 +01:00
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 Allow for URI aliases when connecting to libvirt 2011-10-19 09:14:34 +01:00
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>