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-rw-r--r--pym/portage/dbapi/_MergeProcess.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/pym/portage/dbapi/_MergeProcess.py b/pym/portage/dbapi/_MergeProcess.py
index 43111cb16..ea7c3e6d6 100644
--- a/pym/portage/dbapi/_MergeProcess.py
+++ b/pym/portage/dbapi/_MergeProcess.py
@@ -114,9 +114,15 @@ class MergeProcess(SpawnProcess):
elog_reader_fd, elog_writer_fd = os.pipe()
fcntl.fcntl(elog_reader_fd, fcntl.F_SETFL,
fcntl.fcntl(elog_reader_fd, fcntl.F_GETFL) | os.O_NONBLOCK)
+ blockers = None
+ if self.blockers is not None:
+ # Query blockers in the main process, since metadata cache
+ # queries may not work for some databases from within a
+ # subprocess. For example, sqlite is known to misbehave.
+ blockers = self.blockers()
mylink = self.dblink(self.mycat, self.mypkg, settings=self.settings,
treetype=self.treetype, vartree=self.vartree,
- blockers=self.blockers, scheduler=self.scheduler,
+ blockers=blockers, scheduler=self.scheduler,
pipe=elog_writer_fd)
fd_pipes[elog_writer_fd] = elog_writer_fd
self._elog_reg_id = self.scheduler.register(elog_reader_fd,