Issue #18571: Implementation of the PEP 446: file descriptors and file handles
are now created non-inheritable; add functions os.get/set_inheritable(),
os.get/set_handle_inheritable() and socket.socket.get/set_inheritable().
diff --git a/Lib/socket.py b/Lib/socket.py
index 96f8ed0..81864f5 100644
--- a/Lib/socket.py
+++ b/Lib/socket.py
@@ -137,7 +137,8 @@
def dup(self):
"""dup() -> socket object
- Return a new socket object connected to the same system resource.
+ Duplicate the socket. Return a new socket object connected to the same
+ system resource. The new socket is non-inheritable.
"""
fd = dup(self.fileno())
sock = self.__class__(self.family, self.type, self.proto, fileno=fd)
@@ -229,6 +230,20 @@
self._closed = True
return super().detach()
+ if os.name == 'nt':
+ def get_inheritable(self):
+ return os.get_handle_inheritable(self.fileno())
+ def set_inheritable(self, inheritable):
+ os.set_handle_inheritable(self.fileno(), inheritable)
+ else:
+ def get_inheritable(self):
+ return os.get_inheritable(self.fileno())
+ def set_inheritable(self, inheritable):
+ os.set_inheritable(self.fileno(), inheritable)
+ get_inheritable.__doc__ = "Get the inheritable flag of the socket"
+ set_inheritable.__doc__ = "Set the inheritable flag of the socket"
+
+
def fromfd(fd, family, type, proto=0):
""" fromfd(fd, family, type[, proto]) -> socket object