package_x.bbclass: Sync with poky preparing for individual package writing tasks

1 files changed, 29 insertions, 4 deletions

diff --git a/classes/package_deb.bbclass b/classes/package_deb.bbclass
index c322af1f15..94db9238c2 100644
--- a/classes/package_deb.bbclass
+++ b/classes/package_deb.bbclass
@@ -64,9 +64,7 @@ python do_package_deb_install () {
 }
 
 python do_package_deb () {
-    import copy # to back up env data
-    import sys
-    import re
+    import sys, re, fcntl, copy
 
     workdir = bb.data.getVar('WORKDIR', d, 1)
     if not workdir:
@@ -99,10 +97,21 @@ 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")
+
         bb.data.setVar('ROOT', '', localdata)
         bb.data.setVar('ROOT_%s' % pkg, root, localdata)
         pkgname = bb.data.getVar('PKG_%s' % pkg, localdata, 1)
@@ -133,6 +142,7 @@ 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)
             continue
         controldir = os.path.join(root, 'DEBIAN')
         bb.mkdirhier(controldir)
@@ -246,5 +256,20 @@ python do_package_deb () {
             os.rmdir(controldir)
         except OSError:
             pass
-        del localdata
+
+        unlockfile(lf)
 }
+
+python () {
+    import bb
+    if bb.data.getVar('PACKAGES', d, True) != '':
+        bb.data.setVarFlag('do_package_write_deb', 'depends', 'dpkg-native:do_populate_staging fakeroot-native:do_populate_staging', d)
+}
+
+python do_package_write_deb () {
+	bb.build.exec_func("read_subpackage_metadata", d)
+	bb.build.exec_func("do_package_deb", d)
+}
+do_package_write_deb[dirs] = "${D}"
+#addtask package_write_deb before do_package_write after do_package
+