@@ -11,6 +11,7 @@ ovstest_pyfiles = \
ovs_pyfiles = \
python/ovs/__init__.py \
python/ovs/daemon.py \
+ python/ovs/fcntl_win.py \
python/ovs/db/__init__.py \
python/ovs/db/data.py \
python/ovs/db/error.py \
new file mode 100644
@@ -0,0 +1,36 @@
+import errno
+import win32con
+import win32file
+import pywintypes
+import msvcrt
+
+LOCK_EX = win32con.LOCKFILE_EXCLUSIVE_LOCK
+LOCK_SH = 0 # the default
+LOCK_NB = win32con.LOCKFILE_FAIL_IMMEDIATELY
+LOCK_UN = 0x80000000 # unlock - non-standard
+
+def fcntl(fd, op, arg=0):
+ # not implemented yet on Windows
+ return 0
+
+def ioctl(fd, op, arg=0, mutable_flag=True):
+ # not implemented yet on Windows
+ if mutable_flag:
+ return 0
+ else:
+ return ""
+
+def lockf(fd, flags, length=0xFFFF0000, start=0, whence=0):
+ file_name = fd.name
+ overlapped = pywintypes.OVERLAPPED()
+ hfile = msvcrt.get_osfhandle(fd.fileno())
+ if LOCK_UN & flags:
+ ret = win32file.UnlockFileEx(hfile, 0, start, length, overlapped)
+ else:
+ try:
+ ret = win32file.LockFileEx(hfile, flags, start, length, overlapped)
+ except:
+ raise IOError(errno.EAGAIN, "", "")
+
+def flock(fd, flags):
+ lockf(fd, flags, 0xFFFF0000, 0, 0)
This is needed for lockf function used to lock the PID file on Windows. ioctl and fcntl functions are not implemented at this time because they are not used by any script. Signed-off-by: Paul-Daniel Boca <pboca@cloudbasesolutions.com> --- V2: No changes V3: No changes V4: No changes --- python/automake.mk | 1 + python/ovs/fcntl_win.py | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 python/ovs/fcntl_win.py