Also add "make syntax-check" rules to ensure no new uses sneak in.
There are many uses of write like this:
if (write (fd, xml, towrite) != towrite)
return -1;
The problem is that the syscall can succeed, yet write less than
the requested number of bytes, so the caller should retry
rather than simply failing.
This patch changes most of them to use util.c's safewrite wrapper,
which encapsulates the process. Also, there were a few cases in
which the retry loop was open-coded, and I replaced those, too.
* Makefile.maint (sc_avoid_write): New rule, to avoid recurrence.
* .x-sc_avoid_write: New file. Record two legitimate exemptions.
* qemud/qemud.c (sig_handler, qemudClientWriteBuf): Use safewrite, not write.
* src/conf.c (__virConfWriteFile): Likewise.
* src/qemu_conf.c (qemudSaveConfig, qemudSaveNetworkConfig): Likewise.
* src/qemu_driver.c (qemudWaitForMonitor, qemudStartVMDaemon)
(qemudVMData, PROC_IP_FORWARD): Likewise.
* proxy/libvirt_proxy.c: Include "util.h".
(proxyWriteClientSocket): Use safewrite.
* src/test.c (testDomainSave, testDomainCoreDump): Likewise.
* src/proxy_internal.c (virProxyWriteClientSocket): Likewise.
* src/virsh.c: Include "util-lib.h".
(vshOutputLogFile): Use safewrite.
* src/console.c: Include "util-lib.h".
(vshRunConsole): Use safewrite.
Use <config.h>, not "config.h", per autoconf documentation.
* Makefile.cfg (local-checks-to-skip) [sc_require_config_h]: Enable.
* .x-sc_require_config_h: New file, to list exempted files.
* Makefile.am (EXTRA_DIST): Add .x-sc_require_config_h.
* src/qemu_conf.c: Add "static" and "const" attributes to some globals.
* src/qemu_conf.h: Update a declaration.
* src/qemu_driver.c (qemud_driver): Declare static.
Author: Jim Meyering <meyering@redhat.com>
Given code like: T *var = calloc (n, sizeof (T));
Convert to this: T *var = calloc (n, sizeof (*var));
This first-cut change adjusts all malloc, calloc, and
realloc statements.
The only binary differences are in remote_internal.c
(due to the bug fix) and in xmlrpc.c (due to factorization).
* python/libvir.c: As above.
* qemud/event.c: Likewise.
* qemud/mdns.c: Likewise.
* qemud/qemud.c: Likewise.
* qemud/remote.c: Likewise.
* src/bridge.c: Likewise.
* src/buf.c: Likewise.
* src/conf.c: Likewise.
* src/hash.c: Likewise.
* src/iptables.c: Likewise.
* src/openvz_conf.c: Likewise.
* src/qemu_conf.c: Likewise.
* src/qemu_driver.c: Likewise.
* src/test.c: Likewise.
* src/xen_internal.c: Likewise.
* src/xen_unified.c: Likewise.
* src/xm_internal.c: Likewise.
* src/xml.c: Likewise.
* tests/qemuxml2argvtest.c: Likewise.
* src/xmlrpc.c (xmlRpcValuePtr): Likewise, and minor factorization.
* src/remote_internal.c (remoteAuthMakeCredentials): Use the right
type when allocating space for an array of cred _pointers_.
New files go into these directories:
gnulib/lib
gnulib/m4
gnulib/tests
* bootstrap: A wrapper around gnulib-tool.
* configure.in: Invoke gl_EARLY and gl_INIT, being careful to put gl_EARLY
before any macro that uses AC_COMPILE_IFELSE.
(AC_OUTPUT): Add lib/Makefile and gl-tests/Makefile. Remove m4/Makefile.
* Makefile.am (SUBDIRS): Add gnulib/lib and remove m4. Add gnulib/tests
early enough that those tests run before any libvirt unit tests.
* m4/Makefile.am: Remove file. Not needed.
* src/Makefile.am (INCLUDES): Add -I$(top_srcdir)/gnulib/lib -I../gnulib/lib.
(LDADDS, libvirt_la_LIBADD): Add ../gnulib/lib/libgnu.la.
* src/nodeinfo.c: Include "physmem.h".
* qemud/qemud.c, src/remote_internal.c: Include "getaddrinfo.h".
(MEMINFO_PATH, linuxNodeInfoMemPopulate): Remove definitions.
(virNodeInfoPopulate): Use physmem_total, not linuxNodeInfoMemPopulate.
* tests/Makefile.am (INCLUDES): Add -I$(top_srcdir)/gnulib/lib -I../gnulib/lib.
(LDADDS): Add ../gnulib/lib/libgnu.la.
* qemud/Makefile.am (libvirtd_LDADD): Add ../gnulib/lib/libgnu.la.
* tests/nodeinfotest.c (linuxTestCompareFiles): No longer read total
memory from a file.
Update expected output not to include "Memory: NNNN"
* tests/nodeinfodata/linux-nodeinfo-1.txt:
* tests/nodeinfodata/linux-nodeinfo-2.txt:
* tests/nodeinfodata/linux-nodeinfo-3.txt:
* tests/nodeinfodata/linux-nodeinfo-4.txt:
* tests/nodeinfodata/linux-nodeinfo-5.txt:
* tests/nodeinfodata/linux-nodeinfo-6.txt:
* src/test.c [WITH_TEST]: Remove definition of _GNU_SOURCE that
would conflict with the one now in "config.h".
* autogen.sh: Add -I gnulib/m4.
* src/conf.c, src/sexpr.c: Don't define _GNU_SOURCE.
Instead, include "config.h".
* qemud/qemud.c: Remove definition of _GNU_SOURCE.
* src/openvz_driver.c: Likewise.
* src/qemu_driver.c: Likewise.
* src/remote_internal.c: Likewise.
* configure.in: Use AC_CONFIG_AUX_DIR(build-aux), so that a bunch
of gettextize-generated files go into build-aux/, rather than in
the top-level directory.
* .cvsignore: Adjust.
* build-aux/.cvsignore: New file.
Author: Jim Meyering <meyering@redhat.com>
* python/libvir.c, python/libvirt_wrap.h, qemud/qemud.c,
qemud/remote.c, src/internal.h, src/openvz_conf.c,
src/openvz_driver.c, src/proxy_internal.h, src/qemu_conf.c,
src/qemu_driver.c, src/remote_internal.h, src/test.h, src/util.c,
src/xen_unified.c, src/xen_unified.h, tests/nodeinfotest.c,
tests/qemuxml2argvtest.c, tests/qemuxml2xmltest.c, tests/reconnect.c,
tests/sexpr2xmltest.c, tests/virshtest.c, tests/xencapstest.c,
tests/xmconfigtest.c, tests/xml2sexprtest.c:
Change #include <> to #include "" for local includes.
Removed many includes from src/internal.h and put them in
the C files which actually use them.
Removed <ansidecl.h> - unused.
Added a comment around __func__.
Removed a clashing redefinition of VERSION symbol.
All limits (PATH_MAX etc) now done in src/internal.h, so we
don't need to include those headers in other files.
* src/bridge.c, src/bridge.h, src/qemu_conf.c, src/qemu_conf.h,
src/qemu_driver.c, src/qemu_driver.h, src/test.c: Disable more
of qemu if configured --without-qemu.
* src/stats_linux.c: Fix parsing of short interface names
occurring in the /proc/net/dev file.
* src/qemu_driver.c: Collect interface stats for QEMU & KVM
domains.
src/driver.h src/libvirt.c src/openvz_driver.c src/qemu_driver.c
src/test.c src/xen_unified.c src/xend_internal.c: add new API
virNodeGetFreeMemory(), extends the driver. Lacks remote and
QEmu support though.
* src/libvirt.c: allows to fix virNodeGetCellsFreeMemory() adding
parameter check for startCell.
* proxy/libvirt_proxy.c src/xend_internal.[ch]
include/libvirt/libvirt.h include/libvirt/libvirt.h.in: applied
vncpasswd dump patch from Mark Johnson but with the
virDomainXMLFlags extension as suggested by Daniel Berrange
this changed a couple of internal APIs too
* tests/sexpr2xmldata/sexpr2xml-no-source-cdrom.xml: fix one of the
tests affected by bootloader dump change.
Daniel
src/qemu_driver.c src/remote_internal.c src/test.c
src/xen_internal.[ch] src/xen_unified.c src/xend_internal.[ch]
src/libvirt.c src/libvirt_sym.version: adding NUMA support patches
from Beth Kon adding new virNodeGetCellsFreeMemory entry point
and extending the virConnectGetCapabilities one. Fix a couple of
issues in the patch and add to exported symbols from shared lib.
* docs/virsh.pod docs/virsh.1 src/virsh.c: added new command
freecell to get the available memory on the node or in a NUMA cell.
* docs/*: updated and regenerated the documentation
Daniel
* src/bridge.c, src/qemu_driver.c, configure.in: Try to detect
the paths of dnsmasq and brctl at compile time. If found
then compile them in, otherwise search $PATH at runtime.
* libvirt.spec.in: BR dnsmasq and bridge-utils so we have their
paths at compile time.
* src/libvirt.c (virDomainMigrate): Added virDomainMigrate
API call.
* src/xend_internal.c, src/xen_unified.c: Support for migration
of Xen domains.
* src/xen_internal.c: Xen capabilities indicates level of
support for migration.
* qemud/remote.c, qemud/remote_protocol.x, src/remote_internal.c:
Support for migration between remote hypervisors.
* src/virsh.c: Added 'virsh migrate' command.
* docs/libvir.html, docs/hvsupport.html: Updated hvsupport
documentation.
* qemud/remote.c, qemud/remote_protocol.x, src/driver.h,
src/internal.h, src/libvirt.c, src/libvirt_sym.version,
src/qemu_driver.c, src/remote_internal.c, src/test.c:
Add a private interface so that libvirt.c coordination
functions can detect the availability of features in
underlying drivers, using the VIR_DRV_SUPPORTS_FEATURE
macro.
src/openvz_driver.c src/qemu_driver.c src/util.c src/util.h:
cleanup patches from Shuveb Hussain, with new util module for
common code shared between drivers.
Daniel
* src/hash.c, src/internal.h: Remove virGetDomainByID function
as it is not used or exported.
* src/proxy_internal.c, src/qemu_driver.c, src/remote_internal.c,
src/test.c, src/xend_internal.c, src/xs_internal.c: Fix
all callers to virGetDomain and virGetNetwork functions -
the callers do not need to set virterror since it is already
set inside the functions.
* include/libvirt/virterror.h, src/virterror.c, src/libvirt.c:
Add VIR_ERR_NO_DOMAIN and VIR_ERR_NO_NETWORK errors, which
indicate that there is no domain/network from vir*Lookup* functions.
* src/qemu_driver.c: Use VIR_ERR_NO_DOMAIN in lookup functions.
* src/test.c: Use VIR_ERR_NO_DOMAIN in lookup functions.
