From: Faiyaz Ahmed <faiyaza@cs.princeton.edu>
Date: Fri, 4 Apr 2008 19:46:46 +0000 (+0000)
Subject: Debugging output.
X-Git-Tag: NodeManager-1.8-0~58
X-Git-Url: http://git.onelab.eu/?a=commitdiff_plain;ds=sidebyside;h=1f41e95b9e61049d5f94edce110d729c399c932b;p=nodemanager.git

Debugging output.
---

diff --git a/tools.py b/tools.py
index 49441bd..776a8d4 100644
--- a/tools.py
+++ b/tools.py
@@ -94,6 +94,7 @@ def write_temp_file(do_write, mode=None, uidgid=None):
 
 class NMLock:
     def __init__(self, file):
+        logger.log("Lock %s initialized." % file, 2)
         self.fd = os.open(file, os.O_RDWR|os.O_CREAT, 0600)
         flags = fcntl.fcntl(self.fd, fcntl.F_GETFD)
         flags |= fcntl.FD_CLOEXEC
@@ -101,6 +102,8 @@ class NMLock:
     def __del__(self):
         os.close(self.fd)
     def acquire(self):
-        fcntl.lockf(self.fd, fcntl.LOCK_EX)
+        logger.log("Lock acquired.", 2)
+        fcntl.lockf(self.fd, fcntl.LOCK_SH)
     def release(self):
+        logger.log("Lock released.", 2)
         fcntl.lockf(self.fd, fcntl.LOCK_UN)