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f06d55da7b
We document that calling any public API wipes out all prior libvirt errors in the same thread; but weren't obeying this style in a few functions. There are a couple of nested uses of virConnectRef (in lxc and qemu reboot paths), but they should not be affected by this change in semantics since there should not be any previous error getting nuked (a later patch will clean up the nested calls, along with abuse of virConnectClose on cleanup paths which DOES nuke errors). * src/libvirt.c (virGetVersion, virConnectRef, virDomainRef) (virDomainGetSecurityLabel, virDomainGetSecurityLabelList) (virDomainSetMetadata, virDomainGetMetadata) (virNodeGetSecurityModel, virNetworkRef, virInterfaceRef) (virStoragePoolRef, virStorageVolRef, virNodeDeviceGetName) (virNodeDeviceRef, virSecretRef, virStreamRef, virNWFilterRef) (virDomainSnapshotRef): Reset error on entrance. (do_open): Drop redundant error reset. * src/libvirt-qemu.c (virDomainQemuAgentCommand): Likewise. * src/libvirt-lxc.c (virDomainLxcEnterNamespace) (virDomainLxcEnterSecurityLabel): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>
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>