self.fdopen_helper('r')
self.fdopen_helper('r', 100)
+ def test_osexlock(self):
+ if hasattr(posix, "O_EXLOCK"):
+ fd = os.open(test_support.TESTFN,
+ os.O_WRONLY|os.O_EXLOCK|os.O_CREAT)
+ self.assertRaises(OSError, os.open, test_support.TESTFN,
+ os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
+ os.close(fd)
+
+ if hasattr(posix, "O_SHLOCK"):
+ fd = os.open(test_support.TESTFN,
+ os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
+ self.assertRaises(OSError, os.open, test_support.TESTFN,
+ os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
+ os.close(fd)
+
+ def test_osshlock(self):
+ if hasattr(posix, "O_SHLOCK"):
+ fd1 = os.open(test_support.TESTFN,
+ os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
+ fd2 = os.open(test_support.TESTFN,
+ os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
+ os.close(fd2)
+ os.close(fd1)
+
+ if hasattr(posix, "O_EXLOCK"):
+ fd = os.open(test_support.TESTFN,
+ os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
+ self.assertRaises(OSError, os.open, test_support.TESTFN,
+ os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK)
+ os.close(fd)
+
def test_fstat(self):
if hasattr(posix, 'fstat'):
fp = open(test_support.TESTFN)