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bh=9ktxWJqF//PoRxsFFkuG3Fy1XSt3Nh1HaEMcL3f4tOE=; b=NnnmQ+P3YcGg/Z2Khh/VAHVeCHviEPXhvIkMR3HJcEm54SYBmtBziFECL0PhUlWRytsVA5 OXIlniztTQn1nQNAQSpoqi5P1kQSGiXXllYiAsaKTegS9OTPscI5HdvlrlsWh2OBZyb43Q 0WX4h2Ov+1bWWK5brk34No3YYkxo9Fg= X-MC-Unique: ENvizNPTNeyvsH0xHMLDFA-1 From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH 2/3] python/qemu/qmp.py: re-raise OSError when encountered Date: Fri, 9 Oct 2020 13:51:22 -0400 Message-Id: <20201009175123.249009-3-jsnow@redhat.com> In-Reply-To: <20201009175123.249009-1-jsnow@redhat.com> References: <20201009175123.249009-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Nested if conditions don't change when the exception block fires; we need to explicitly re-raise the error if we didn't intend to capture and suppress it. Signed-off-by: John Snow Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- python/qemu/qmp.py | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/python/qemu/qmp.py b/python/qemu/qmp.py index d911999da1f..4969e5741cb 100644 --- a/python/qemu/qmp.py +++ b/python/qemu/qmp.py @@ -165,14 +165,15 @@ def __get_events(self, wait: Union[bool, float] =3D F= alse) -> None: """ =20 # Check for new events regardless and pull them into the cache: - self.__sock.setblocking(False) try: + self.__sock.setblocking(False) self.__json_read() except OSError as err: - if err.errno =3D=3D errno.EAGAIN: - # No data available - pass - self.__sock.setblocking(True) + # EAGAIN: No data available; not critical + if err.errno !=3D errno.EAGAIN: + raise + finally: + self.__sock.setblocking(True) =20 # Wait for new events, if needed. # if wait is 0.0, this means "no wait" and is also implicitly fals= e. --=20 2.26.2