[bitbake-devel] [PATCH] event/server: Add _uiready flag to handle missing error messages
Richard Purdie
richard.purdie at linuxfoundation.org
Thu Sep 3 14:20:05 UTC 2015
If you start and suspend a bitbake execution so the bitbake lock is held,
then try and run "bitbake -w '' X", you will see bitbake return an error exit
code but print no message about what happened at all.
The reason is that the -w option creates a "UI" which swallows the messages. The
code which handles this exit failure mode thinks a UI has printed the messages
and therefore doesn't do so.
This adds in an extra parameter to the UI registration code so that we
can figure out whether its a primary UI or not and base decisions on whether
to display information on that instead. This fixes the error shown above and
some bizarre failures on the Yocto Project Autobuilder.
[YOCTO #8239]
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/bitbake/lib/bb/event.py b/bitbake/lib/bb/event.py
index da20fbf..059229e 100644
--- a/bitbake/lib/bb/event.py
+++ b/bitbake/lib/bb/event.py
@@ -69,6 +69,7 @@ _ui_handler_seq = 0
_event_handler_map = {}
_catchall_handlers = {}
_eventfilter = None
+_uiready = False
def execute_handler(name, handler, event, d):
event.data = d
@@ -113,7 +117,7 @@ def print_ui_queue():
"""If we're exiting before a UI has been spawned, display any queued
LogRecords to the console."""
logger = logging.getLogger("BitBake")
- if not _ui_handlers:
+ if not _uiready:
from bb.msg import BBLogFormatter
console = logging.StreamHandler(sys.stdout)
console.setFormatter(BBLogFormatter("%(levelname)s: %(message)s"))
@@ -135,7 +139,7 @@ def print_ui_queue():
logger.handle(event)
def fire_ui_handlers(event, d):
- if not _ui_handlers:
+ if not _uiready:
# No UI handlers registered yet, queue up the messages
ui_queue.append(event)
return
@@ -219,7 +223,9 @@ def set_eventfilter(func):
global _eventfilter
_eventfilter = func
-def register_UIHhandler(handler):
+def register_UIHhandler(handler, mainui=False):
+ if mainui:
+ _uiready = True
bb.event._ui_handler_seq = bb.event._ui_handler_seq + 1
_ui_handlers[_ui_handler_seq] = handler
level, debug_domains = bb.msg.constructLogOptions()
diff --git a/bitbake/lib/bb/server/process.py b/bitbake/lib/bb/server/process.py
index 3198635..f022b86 100644
--- a/bitbake/lib/bb/server/process.py
+++ b/bitbake/lib/bb/server/process.py
@@ -97,7 +97,7 @@ class ProcessServer(Process, BaseImplServer):
def run(self):
for event in bb.event.ui_queue:
self.event_queue.put(event)
- self.event_handle.value = bb.event.register_UIHhandler(self)
+ self.event_handle.value = bb.event.register_UIHhandler(self, True)
bb.cooker.server_main(self.cooker, self.main)
diff --git a/bitbake/lib/bb/server/xmlrpc.py b/bitbake/lib/bb/server/xmlrpc.py
index f1a2067..b7647c1 100644
--- a/bitbake/lib/bb/server/xmlrpc.py
+++ b/bitbake/lib/bb/server/xmlrpc.py
@@ -99,7 +99,7 @@ class BitBakeServerCommands():
if (self.cooker.state in [bb.cooker.state.parsing, bb.cooker.state.running]):
return None
- self.event_handle = bb.event.register_UIHhandler(s)
+ self.event_handle = bb.event.register_UIHhandler(s, True)
return self.event_handle
def unregisterEventHandler(self, handlerNum):
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