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Paolo Bonzini e8c2091d4c checkpatch: should not use signal except for SIG_DFL or SIG_IGN 
Using signal to establish a signal handler is not portable; on
SysV systems, the signal handler would be reset to SIG_DFL after
delivery, while BSD preserves the signal handler.  Daniel Berrange
reported that (to complicate matters further) the signal system call
has SysV behavior, but glibc signal() actually calls the sigaction
system call to provide BSD behavior.

However, using signal() to set a signal's disposition to SIG_DFL
or SIG_IGN is portable and is a relatively common occurrence in
QEMU source code, so allow that.

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-07-04 14:39:28 +02:00
..
coccinelle qapi: merge QInt and QFloat in QNum 2017-06-20 14:31:31 +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 scripts/qmp/qom-set: fix the value argument passed to srv.command() 2017-05-23 13:28:17 +02:00
tracetool trace: disallow more than 10 arguments per trace event 2017-05-08 09:38:30 -04:00
analyse-9p-simpletrace.py
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
check-qerror.sh
checkpatch.pl checkpatch: should not use signal except for SIG_DFL or SIG_IGN 2017-07-04 14:39:28 +02:00
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 scripts: Test script to look for -device crashes 2017-06-05 14:59:09 -03:00
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
gtester-cat
hxtool hxtool: emit Texinfo headings as @subsection 2017-01-16 17:52:35 +01:00
make_device_config.sh scripts: Use $(..) instead of deprecated .. 2016-06-07 18:19:23 +03:00
make-release make-release: Record SeaBIOS version 2014-03-31 15:02:04 +01:00
ordereddict.py qapi: Clean up qapi.py per pep8 2015-10-12 18:44:54 +02:00
qapi2texi.py qapi2texi: Fix translation of *strong* and _emphasized_ 2017-03-21 10:42:58 +01:00
qapi-commands.py qapi: Make pylint a bit happier 2017-03-16 07:13:04 +01:00
qapi-event.py qapi: Prefer single-quoted strings more consistently 2017-03-16 07:13:02 +01:00
qapi-introspect.py qapi: Prefer single-quoted strings more consistently 2017-03-16 07:13:02 +01:00
qapi-types.py qapi: Prefer single-quoted strings more consistently 2017-03-16 07:13:02 +01:00
qapi-visit.py qapi: Remove visit_start_alternate() parameter promote_int 2017-06-20 14:31:31 +02:00
qapi.py qapi: merge QInt and QFloat in QNum 2017-06-20 14:31:31 +02:00
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: Add QEMUMachine.exitcode() method 2017-06-05 14:59:09 -03:00
qtest.py iotest: fix python based IO tests 2016-07-26 18:28:40 +02:00
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: Improve the error message if event is not declared 2017-06-07 14:34:19 +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