Fix a file descriptor leak when module is deleted

Fix issue #989 When module is cleaned up, let us also close all bpf program file descriptors to avoid fd leaking. Signed-off-by: Yonghong Song <[email protected]>
iovisor · Sep 25, 2019 · 4b82945 · 4b82945
1 parent 903513e
commit 4b82945
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/python/bcc/__init__.py b/src/python/bcc/__init__.py
@@ -1355,6 +1355,8 @@ def cleanup(self):
  if self.tracefile:
  self.tracefile.close()
  self.tracefile = None
+ for name, fn in list(self.funcs.items()):
+ os.close(fn.fd)
  if self.module:
  lib.bpf_module_destroy(self.module)
  self.module = None