angr.knowledge_plugins.rtdb.rtdb¶

class angr.knowledge_plugins.rtdb.rtdb.RuntimeDbForkCondom¶

Bases: object

A class that invokes RuntimeDb.reopen_lmdb() upon forking. This is necessary to ensure that lmdb does not raise ReaderFullError in forked child processes. The reopen_rtdb() method is not called on Windows because os.register_at_fork does not exist on Windows.

__init__(rtdb)¶

Parameters:: rtdb (RuntimeDb)

reopen_rtdb()¶

class angr.knowledge_plugins.rtdb.rtdb.RuntimeDb¶

Bases: KnowledgeBasePlugin

External storage-backed database for angr knowledge base plugins.

__init__(kb, lmdb_path=None)¶

Parameters:

kb (KnowledgeBase)
lmdb_path (str | None)

Return type:

None

increase_lmdb_map_size()¶

Increase the LMDB map size.

Return type:: None

reopen_lmdb()¶: Reopen the existing LMDB environment and all open databases in self._dbs.

open_db(db_name, unique=True)¶

Return type:

str

Parameters:

db_name (str)
unique (bool)

begin_txn(db_name, write=False)¶

Parameters:

db_name (str)
write (bool)

drop_db(db_name)¶

Return type:: None
Parameters:: db_name (str)

cleanup()¶