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Libvirt native C API and daemons
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3a80f2f7ce
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Daniel P. Berrange 3a80f2f7ce Ensure error handling callback functions are called from safe context 
The virRaiseErrorFull() may invoke the error handler callback
functions an application has registered. This is not good
because the connection object may not be available at this
point, and the caller may be holding locks. This creates a
problem if the error handler calls back into libvirt.

The solutuon is to move invocation of the handler into the
final cleanup code in the public API entry points, where it
is guarenteed to have safe state.

* src/libvirt.c: Invoke virDispatchError() in all error paths
* src/util/virterror.c: Remove virSetConnError/virSetGlobalError,
  replacing with virDispatchError(). Move invocation of the
  error callbacks into virDispatchError() instead of the
  virRaiseErrorFull function which is not in a safe context
2010-01-12 10:48:33 -05:00
.gnulib@3fd9a2df88 build: update gnulib submodule to latest 2009-12-15 17:46:04 +01:00
build-aux Initialize gcrypt threading 2009-12-17 18:22:09 +00:00
daemon The secret driver is stateful, link it directly to libvirtd 2009-12-23 15:01:09 +01:00
docs Document the domain XML cache attribute for disk devices 2010-01-11 23:58:56 +01:00
examples add AppArmor test and examples to dist 2009-12-14 13:40:42 +01:00
include Add new API virDomainMemoryStats to header and drivers 2009-12-20 13:28:42 +01:00
m4 remove all .cvsignore files 2009-07-08 16:17:51 +02:00
po Revert 7aee22939f 2010-01-12 12:48:34 +00:00
proxy XML parsing/formating code for CPU flags 2009-12-18 14:44:55 +01:00
python Disable building of static Python module 2010-01-06 17:33:41 +01:00
src Ensure error handling callback functions are called from safe context 2010-01-12 10:48:33 -05:00
tests avoid newly-introduced test failure 2010-01-09 09:25:04 +01:00
tools Revert 7aee22939f 2010-01-12 12:48:34 +00:00
.gitignore Remove some auto-generated files 2009-10-09 13:01:22 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.hgignore Add qemuhelptest to .*ignore files 2009-06-16 14:06:48 +00:00
.x-sc_avoid_ctype_macros exempt gnulib from ctype-macros prohibition 2008-10-28 17:36:31 +00:00
.x-sc_avoid_if_before_free avoid a "make syntax-check" failure 2009-07-09 20:00:37 +02:00
.x-sc_avoid_write Fully asynchronous monitor I/O processing 2009-11-10 13:27:18 +00:00
.x-sc_m4_quote_check syntax-check: enable more checks 2009-02-03 13:08:36 +00:00
.x-sc_prohibit_asprintf add .x-sc_prohibit_asprintf 2008-12-23 13:40:42 +00:00
.x-sc_prohibit_gethostby Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_prohibit_gethostname Add a new syntax-check rule for gethostname. 2009-10-26 10:34:27 +01:00
.x-sc_prohibit_have_config_h maint: sync from coreutils 2009-01-29 18:06:19 +00:00
.x-sc_prohibit_HAVE_MBRTOWC maint: sync from coreutils 2009-01-29 18:06:19 +00:00
.x-sc_prohibit_nonreentrant Tighten up nonreentrant syntax-check. 2009-10-26 10:33:42 +01:00
.x-sc_prohibit_strcmp exempt gnulib/ from "make syntax-check" strcmp prohibition 2008-05-14 21:18:27 +00:00
.x-sc_prohibit_strcmp_and_strncmp Ignore docs/ directory for strcmp() syntax check 2009-11-23 11:58:13 +00:00
.x-sc_prohibit_strncpy Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_prohibit_VIR_ERR_NO_MEMORY Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_require_config_h Various syntax-check fixes. 2009-10-26 10:34:05 +01:00
.x-sc_require_config_h_first Misc syntax-check fixes 2009-09-21 14:41:47 +01:00
.x-sc_trailing_blank build: exempt *.ico files from the trailing blank check 2008-10-16 13:28:07 +00:00
acinclude.m4 remove all trailing blank lines 2009-07-16 15:06:42 +02:00
AUTHORS Add some people missing from the AUTHORS list 2009-12-22 12:16:57 +01:00
autobuild.sh Enable ESX driver build on Mingw32 2009-07-31 16:15:51 +01:00
autogen.sh Add --system flag to autogen.sh to make it easy to build with right prefix 2009-12-07 14:13:53 +00:00
bootstrap avoid malfunction when virFileResolveLink is applied to non-POSIX FS 2009-12-15 17:46:04 +01:00
cfg.mk Add a new syntax-check rule for gethostname. 2009-10-26 10:34:27 +01:00
ChangeLog-old generate ChangeLog from git logs into distribution tarball 2009-07-08 16:17:51 +02:00
configure.in let "configure --disable-shared" work once again 2010-01-08 20:54:11 +01:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Replace old CVS references with GIT 2010-01-08 18:08:22 +01:00
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 Release of libvirt-0.7.5 2009-12-23 17:00:22 +01:00
Makefile.am add AppArmor test and examples to dist 2009-12-14 13:40:42 +01:00
Makefile.nonreentrant syntax-check: enable prohibit_nonreentrant 2009-02-05 16:28:41 +00:00
mingw32-libvirt.spec.in Make pki_check.sh into an installed & supported tool 2009-09-21 14:41:46 +01:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking build: automatically rerun ./bootstrap when needed 2009-07-10 13:39:28 +02:00
TODO Remove all trailing blanks; turn on the rule to detect them. 2008-02-05 19:27:37 +00:00

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>