issue #155: core: prevent set_cloexec() use on standard handles

7 years ago · 443c94eb39
parent 41ae6623c6
commit 443c94eb39
1 changed files with 1 additions and 0 deletions
--- a/mitogen/core.py
+++ b/mitogen/core.py
@ -185,6 +185,7 @@ def is_blacklisted_import(importer, fullname):

 def set_cloexec(fd):
    flags = fcntl.fcntl(fd, fcntl.F_GETFD)
+    assert fd > 2
    fcntl.fcntl(fd, fcntl.F_SETFD, flags | fcntl.FD_CLOEXEC)