diff options
Diffstat (limited to 'poky/bitbake/lib/bb/cache.py')
| -rw-r--r-- | poky/bitbake/lib/bb/cache.py | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/poky/bitbake/lib/bb/cache.py b/poky/bitbake/lib/bb/cache.py index ee924b2d2b..b309775bb9 100644 --- a/poky/bitbake/lib/bb/cache.py +++ b/poky/bitbake/lib/bb/cache.py @@ -838,11 +838,10 @@ class MultiProcessCache(object): self.cachedata = self.create_cachedata() self.cachedata_extras = self.create_cachedata() - def init_cache(self, d, cache_file_name=None): - cachedir = (d.getVar("PERSISTENT_DIR") or - d.getVar("CACHE")) - if cachedir in [None, '']: + def init_cache(self, cachedir, cache_file_name=None): + if not cachedir: return + bb.utils.mkdirhier(cachedir) self.cachefile = os.path.join(cachedir, cache_file_name or self.__class__.cache_file_name) @@ -873,6 +872,10 @@ class MultiProcessCache(object): if not self.cachefile: return + have_data = any(self.cachedata_extras) + if not have_data: + return + glf = bb.utils.lockfile(self.cachefile + ".lock", shared=True) i = os.getpid() @@ -907,6 +910,8 @@ class MultiProcessCache(object): data = self.cachedata + have_data = False + for f in [y for y in os.listdir(os.path.dirname(self.cachefile)) if y.startswith(os.path.basename(self.cachefile) + '-')]: f = os.path.join(os.path.dirname(self.cachefile), f) try: @@ -921,12 +926,14 @@ class MultiProcessCache(object): os.unlink(f) continue + have_data = True self.merge_data(extradata, data) os.unlink(f) - with open(self.cachefile, "wb") as f: - p = pickle.Pickler(f, -1) - p.dump([data, self.__class__.CACHE_VERSION]) + if have_data: + with open(self.cachefile, "wb") as f: + p = pickle.Pickler(f, -1) + p.dump([data, self.__class__.CACHE_VERSION]) bb.utils.unlockfile(glf) |