From: Lee Chee Yang <chee.yang....@intel.com>

buildhistory create .txt file bh_installed_pkgs.txt and
bh_installed_pkgs_deps.txt while listing down installed package.
These file is later removed in buildhistory_get_installed().

when multiple process runs in parellal there are chances to race for
the file where one process created the file while another task remove
the file right after it.

using different file name for each process should avoid the race. So
add PID to the file name to make it unique.

[yocto #13709]

Signed-off-by: Lee Chee Yang <chee.yang....@intel.com>
Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
(cherry picked from commit 214d236d93700abffa2d586cc744a00455818fa4)
Signed-off-by: Steve Sakoman <st...@sakoman.com>
---
 meta/classes/buildhistory.bbclass | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/meta/classes/buildhistory.bbclass 
b/meta/classes/buildhistory.bbclass
index eb7295570d..156324d339 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -426,8 +426,8 @@ def buildhistory_list_installed(d, rootfs_type="image"):
     from oe.sdk import sdk_list_installed_packages
     from oe.utils import format_pkg_list
 
-    process_list = [('file', 'bh_installed_pkgs.txt'),\
-                    ('deps', 'bh_installed_pkgs_deps.txt')]
+    process_list = [('file', 'bh_installed_pkgs_%s.txt' % os.getpid()),\
+                    ('deps', 'bh_installed_pkgs_deps_%s.txt' % os.getpid())]
 
     if rootfs_type == "image":
         pkgs = image_list_installed_packages(d)
@@ -457,9 +457,10 @@ buildhistory_get_installed() {
 
        # Get list of installed packages
        pkgcache="$1/installed-packages.tmp"
-       cat ${WORKDIR}/bh_installed_pkgs.txt | sort > $pkgcache && rm 
${WORKDIR}/bh_installed_pkgs.txt
+       cat ${WORKDIR}/bh_installed_pkgs_${PID}.txt | sort > $pkgcache && rm 
${WORKDIR}/bh_installed_pkgs_${PID}.txt
 
        cat $pkgcache | awk '{ print $1 }' > $1/installed-package-names.txt
+
        if [ -s $pkgcache ] ; then
                cat $pkgcache | awk '{ print $2 }' | xargs -n1 basename > 
$1/installed-packages.txt
        else
@@ -468,8 +469,8 @@ buildhistory_get_installed() {
 
        # Produce dependency graph
        # First, quote each name to handle characters that cause issues for dot
-       sed 's:\([^| ]*\):"\1":g' ${WORKDIR}/bh_installed_pkgs_deps.txt > 
$1/depends.tmp &&
-               rm ${WORKDIR}/bh_installed_pkgs_deps.txt
+       sed 's:\([^| ]*\):"\1":g' ${WORKDIR}/bh_installed_pkgs_deps_${PID}.txt 
> $1/depends.tmp &&
+               rm ${WORKDIR}/bh_installed_pkgs_deps_${PID}.txt
        # Remove lines with rpmlib(...) and config(...) dependencies, change the
        # delimiter from pipe to "->", set the style for recommend lines and
        # turn versioned dependencies into edge labels.
-- 
2.17.1

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