Mercurial > hg

changeset 26358:de5a52e5eb9e

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lock: add a method to reacquire the lock after subprocesses exit This is part of a series that will allow locks to be inherited by subprocesses in limited circumstances.
author Siddharth Agarwal <sid0@fb.com>
date Thu, 24 Sep 2015 16:00:41 -0700
parents 6979a1369185
children c545d51c901e
files mercurial/lock.py
diffstat 1 files changed, 8 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/lock.py	Thu Sep 24 10:37:13 2015 -0700
+++ b/mercurial/lock.py	Thu Sep 24 16:00:41 2015 -0700
@@ -180,6 +180,14 @@
         self._inherited = True
         return lockname
 
+    def reacquire(self):
+        if not self._inherited:
+            raise error.LockInheritanceContractViolation(
+                'reacquire can only be called after prepinherit')
+        if self.acquirefn:
+            self.acquirefn()
+        self._inherited = False
+
     def release(self):
         """release the lock and execute callback function if any