greenthread: add .unlink() method; Thanks to Astrum Kuo

Compatibility with gevent.
https://github.com/eventlet/eventlet/pull/82

1 files changed, 13 insertions, 0 deletions

diff --git a/eventlet/greenthread.py b/eventlet/greenthread.py
index fc9be51..2033408 100644
--- a/eventlet/greenthread.py
+++ b/eventlet/greenthread.py
@@ -189,6 +189,19 @@ class GreenThread(greenlet.greenlet):
         if self._exit_event.ready():
             self._resolve_links()
 
+    def unlink(self, func, *curried_args, **curried_kwargs):
+        """ remove linked function set by :meth:`link`
+
+        Remove successfully return True, otherwise False
+        """
+        if not getattr(self, '_exit_funcs', None):
+            return False
+        try:
+            self._exit_funcs.remove((func, curried_args, curried_kwargs))
+            return True
+        except ValueError:
+            return False
+
     def main(self, function, args, kwargs):
         try:
             result = function(*args, **kwargs)