classes: Use internal bitbake functions and fix packaging unlocking on error paths

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@3222 311d38ba-8fff-0310-9ca6-ca027cbcb966

meta/classes/package_deb.bbclass

@@ -102,20 +102,11 @@ python do_package_deb () {
         bb.debug(1, "No packages; nothing to do")
         return
 
-    def lockfile(name):
-        lf = open(name, "a+")
-        fcntl.flock(lf.fileno(), fcntl.LOCK_EX)
-        return lf
-
-    def unlockfile(lf):
-        fcntl.flock(lf.fileno(), fcntl.LOCK_UN)
-        lf.close
-
     for pkg in packages.split():
         localdata = bb.data.createCopy(d)
         root = "%s/install/%s" % (workdir, pkg)
 
-        lf = lockfile(root + ".lock")
+        lf = bb.utils.lockfile(root + ".lock")
 
         bb.data.setVar('ROOT', '', localdata)
         bb.data.setVar('ROOT_%s' % pkg, root, localdata)
@@ -147,7 +138,7 @@ python do_package_deb () {
         if not g and bb.data.getVar('ALLOW_EMPTY', localdata) != "1":
             from bb import note
             note("Not creating empty archive for %s-%s-%s" % (pkg, bb.data.getVar('PV', localdata, 1), bb.data.getVar('PR', localdata, 1)))
-            unlockfile(lf)
+            bb.utils.unlockfile(lf)
             continue
 
         controldir = os.path.join(root, 'DEBIAN')
@@ -158,6 +149,7 @@ python do_package_deb () {
             # import codecs
             # ctrlfile = codecs.open("someFile", "w", "utf-8")
         except OSError:
+            bb.utils.unlockfile(lf)
             raise bb.build.FuncFailed("unable to open control file for writing.")
 
         fields = []
@@ -196,6 +188,7 @@ python do_package_deb () {
                 ctrlfile.write(unicode(c % tuple(pullData(fs, localdata))))
         except KeyError:
             (type, value, traceback) = sys.exc_info()
+            bb.utils.unlockfile(lf)
             ctrlfile.close()
             raise bb.build.FuncFailed("Missing field for deb generation: %s" % value)
         # more fields
@@ -231,6 +224,7 @@ python do_package_deb () {
             try:
                 scriptfile = file(os.path.join(controldir, script), 'w')
             except OSError:
+                bb.utils.unlockfile(lf)
                 raise bb.build.FuncFailed("unable to open %s script file for writing." % script)
             scriptfile.write("#!/bin/sh\n")
             scriptfile.write(scriptvar)
@@ -242,6 +236,7 @@ python do_package_deb () {
             try:
                 conffiles = file(os.path.join(controldir, 'conffiles'), 'w')
             except OSError:
+                bb.utils.unlockfile(lf)
                 raise bb.build.FuncFailed("unable to open conffiles for writing.")
             for f in conffiles_str.split():
                 conffiles.write('%s\n' % f)
@@ -250,6 +245,7 @@ python do_package_deb () {
         os.chdir(basedir)
         ret = os.system("PATH=\"%s\" fakeroot dpkg-deb -b %s %s" % (bb.data.getVar("PATH", localdata, 1), root, pkgoutdir))
         if ret != 0:
+            bb.utils.unlockfile(lf)
             raise bb.build.FuncFailed("dpkg-deb execution failed")
 
         for script in ["preinst", "postinst", "prerm", "postrm", "control" ]:
@@ -263,7 +259,7 @@ python do_package_deb () {
         except OSError:
             pass
 
-        unlockfile(lf)
+        bb.utils.unlockfile(lf)
 }
 
 python () {