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author | 2018-07-02 14:52:53 -0700 | |
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committer | 2018-07-06 22:22:11 -0700 | |
commit | 80a59eed95c17a8702da10f54f9b6fdf8e90a880 (patch) | |
tree | 52a1b04fffaee9cb88bc87755ccfe0b691d413ba | |
parent | gkeys/fetch.py: New Fetch class (diff) | |
download | gentoo-keys-80a59eed95c17a8702da10f54f9b6fdf8e90a880.tar.gz gentoo-keys-80a59eed95c17a8702da10f54f9b6fdf8e90a880.tar.bz2 gentoo-keys-80a59eed95c17a8702da10f54f9b6fdf8e90a880.zip |
gkeys/lock.py: New LockDir class
Signed-off-by: Brian Dolbec <dolsen@gentoo.org>
-rw-r--r-- | gkeys/gkeys/lock.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gkeys/gkeys/lock.py b/gkeys/gkeys/lock.py new file mode 100644 index 0000000..5614335 --- /dev/null +++ b/gkeys/gkeys/lock.py @@ -0,0 +1,31 @@ + +import os + +from snakeoil import fileutils +from snakeoil import osutils +from catalyst.fileops import ensure_dirs + + +LockInUse = osutils.LockException + + +class LockDir(object): + """An object that creates locks inside dirs""" + + def __init__(self, lockdir): + #self.gid = 250 + self.lockfile = os.path.join(lockdir, '.gkeys_lock') + ensure_dirs(lockdir) + fileutils.touch(self.lockfile, mode=0o664) + #os.chown(self.lockfile, -1, self.gid) + self.lock = osutils.FsLock(self.lockfile) + + def read_lock(self): + self.lock.acquire_read_lock() + + def write_lock(self): + self.lock.acquire_write_lock() + + def unlock(self): + # Releasing a write lock is the same as a read lock. + self.lock.release_write_lock() |