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Amador Pahim 4738b0a85a qemu.py: avoid writing to stdout/stderr 
This module should not write directly to stdout/stderr. Instead, it
should either raise exceptions or just log the messages and let the
callers handle them and decide what to do. For example, scripts could
choose to send the log messages stderr or/and write them to a file if
verbose or debugging mode is enabled.

This patch replaces the writes to stderr by an exception in the
send_fd_scm() when _socket_scm_helper is not set or not present. In the
same method, the subprocess Popen will now redirect the stdout/stderr to
logging.debug instead of writing to system stderr. As consequence, since
the Popen.communicate() is now used (in order to get the stdout), the
further call to wait() became redundant and was replaced by
Popen.returncode.

The shutdown() message on negative exit code will now be logged
to logging.warn instead of written to system stderr.

Signed-off-by: Amador Pahim <apahim@redhat.com>
Message-Id: <20170901112829.2571-3-apahim@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
 		2017-09-15 20:12:00 -03:00
..
coccinelle qdict: Add qdict_put_null() helper, and put it to use 2017-09-04 13:09:11 +02:00
kvm vmxcap: update for September 2016 SDM 2017-03-03 16:40:02 +01:00
modules scripts: Allow block module to not define BlockDriver 2016-10-07 14:14:06 +02:00
qemu-guest-agent qemu-ga: sample fsfreeze hooks 2013-01-08 16:38:12 -06:00
qemugdb scripts/qemugdb/mtree.py: fix up mtree dump 2017-04-07 15:24:56 +01:00
qmp qmp.py: Avoid overriding a builtin object 2017-09-15 20:12:00 -03:00
tracetool trace: use static event ID mapping in simpletrace.stp 2017-08-15 12:50:29 +01:00
analyse-9p-simpletrace.py scripts/analyse-9p-simpletrace.py: Add symbolic names for 9p operations. 2011-12-21 12:37:23 +05:30
analyze-inclusions Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
analyze-migration.py migration: fix analyze-migration.py script 2015-11-04 13:40:13 +01:00
argparse.py scripts: add argparse module for Python 2.6 compatibility 2017-08-30 12:02:11 +01:00
check-qerror.sh qerror: add check-qerror.sh to verify alphabetical order 2012-01-18 10:23:39 -02:00
checkpatch.pl checkpatch: check trace-events code style 2017-08-01 12:13:07 +01:00
clean-header-guards.pl scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
clean-includes scripts/clean-includes: added duplicate #include check 2016-10-28 18:17:23 +03:00
cleanup-trace-events.pl scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
cocci-macro-file.h coccinelle: add g_assert_cmp* to macro file 2016-05-23 16:53:46 +02:00
coverity-model.c coverity-model: model address_space_read/write 2017-03-15 13:59:16 +01:00
create_config build-sys: define QEMU_VERSION_{MAJOR, MINOR, MICRO} 2016-09-19 17:32:21 +02:00
device-crash-test hw/ppc/spapr_cpu_core: Add a proper check for spapr machine 2017-09-08 09:30:55 +10:00
disas-objdump.pl scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
dump-guest-memory.py scripts/dump-guest-memory.py: fix int128_get64 on recent gcc 2017-03-14 13:26:36 +01:00
extract-vsssdk-headers Add a script to extract VSS SDK headers on POSIX system 2013-09-09 14:17:56 -05:00
feature_to_c.sh scripts: Use $(..) instead of deprecated `..` 2016-06-07 18:19:23 +03:00
get_maintainer.pl trivial patches for 2017-05-10 2017-05-10 12:31:19 -04:00
git.orderfile add scripts/git.orderfile 2017-07-20 09:56:41 +02:00
gtester-cat test makefile overhaul 2012-03-30 08:14:11 -05:00
hxtool hxtool: remove dead -q option 2017-07-11 17:42:49 +03:00
make-release make-release: Record SeaBIOS version 2014-03-31 15:02:04 +01:00
make_device_config.sh scripts: Use $(..) instead of deprecated `..` 2016-06-07 18:19:23 +03:00
ordereddict.py qapi: Clean up qapi.py per pep8 2015-10-12 18:44:54 +02:00
qapi-commands.py scripts: use build_ prefix for string not piped through cgen() 2017-07-12 17:51:54 +02:00
qapi-event.py qapi: Generate FOO_str() macro for QAPI enum FOO 2017-09-04 13:09:13 +02:00
qapi-introspect.py qapi: Prefer single-quoted strings more consistently 2017-03-16 07:13:02 +01:00
qapi-types.py qapi: Generate FOO_str() macro for QAPI enum FOO 2017-09-04 13:09:13 +02:00
qapi-visit.py qapi: Change data type of the FOO_lookup generated for enum FOO 2017-09-04 13:09:13 +02:00
qapi.py qapi: drop the sentinel in enum array 2017-09-04 13:09:13 +02:00
qapi2texi.py docs: fix broken paths to docs/devel/qapi-code-gen.txt 2017-07-31 13:12:41 +03:00
qemu-binfmt-conf.sh scripts/qemu-binfmt-conf.sh: Fix shell portability issue 2017-05-10 10:19:23 +03:00
qemu-gdb.py gdb command: qemu handlers 2015-10-29 17:59:27 +00:00
qemu.py qemu.py: avoid writing to stdout/stderr 2017-09-15 20:12:00 -03:00
qtest.py qtest.py: Few pylint/style fixes 2017-09-15 20:12:00 -03:00
refresh-pxe-roms.sh roms: rewrite scripts/refresh-pxe-roms.sh 2013-09-30 09:44:35 +02:00
shaderinclude.pl scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
show-fixed-bugs.sh scripts: Add a script to check for bug URLs in the git log 2016-09-22 20:20:53 +02:00
signrom.py linuxboot_dma: avoid guest ABI breakage on gcc vs. clang compilation 2016-08-09 22:57:36 +02:00
simpletrace.py simpletrace: fix flight recorder --no-header option 2017-08-15 12:50:29 +01:00
switch-timer-api scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
texi2pod.pl scripts: Switch to more portable Perl shebang 2017-05-10 10:19:24 +03:00
tracetool.py trace: switch to modular code generation for sub-directories 2017-01-31 17:11:18 +00:00
update-linux-headers.sh linux-headers: update 2017-05-19 12:29:01 +02:00
vmstate-static-checker.py vmstate-static-checker: update white list with spapr_pci 2017-02-28 11:30:22 +00:00