From: Mariano Lopez <mariano.lo...@linux.intel.com>

errorreport_handler would fail if several errors are
triggered at the same time because of two proccess
writting to the same file. This patch add the required
syncronization to handle concurrent process.

[YP #7899]

Signed-off-by: Mariano Lopez <mariano.lo...@linux.intel.com>
---
 meta/classes/report-error.bbclass | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/meta/classes/report-error.bbclass 
b/meta/classes/report-error.bbclass
index c5aaaa8..11eee9b 100644
--- a/meta/classes/report-error.bbclass
+++ b/meta/classes/report-error.bbclass
@@ -18,7 +18,6 @@ def errorreport_getdata(e):
 def errorreport_savedata(e, newdata, file):
     import json
     logpath = e.data.getVar('ERR_REPORT_DIR', True)
-    bb.utils.mkdirhier(logpath)
     datafile = os.path.join(logpath, file)
     with open(datafile, "w") as f:
         json.dump(newdata, f, indent=4, sort_keys=True)
@@ -27,7 +26,11 @@ def errorreport_savedata(e, newdata, file):
 python errorreport_handler () {
         import json
 
+        logpath = e.data.getVar('ERR_REPORT_DIR', True)
+        datafile = os.path.join(logpath, "error-report.txt")
+
         if isinstance(e, bb.event.BuildStarted):
+            bb.utils.mkdirhier(logpath)
             data = {}
             machine = e.data.getVar("MACHINE", False)
             data['machine'] = machine
@@ -38,7 +41,9 @@ python errorreport_handler () {
             data['failures'] = []
             data['component'] = e.getPkgs()[0]
             data['branch_commit'] = base_detect_branch(e.data) + ": " + 
base_detect_revision(e.data)
+            lock = bb.utils.lockfile(datafile + '.lock')
             errorreport_savedata(e, data, "error-report.txt")
+            bb.utils.unlockfile(lock)
 
         elif isinstance(e, bb.build.TaskFailed):
             task = e.task
@@ -56,12 +61,16 @@ python errorreport_handler () {
 
             else:
                 taskdata['log'] = "No Log"
+            lock = bb.utils.lockfile(datafile + '.lock')
             jsondata = json.loads(errorreport_getdata(e))
             jsondata['failures'].append(taskdata)
             errorreport_savedata(e, jsondata, "error-report.txt")
+            bb.utils.unlockfile(lock)
 
         elif isinstance(e, bb.event.BuildCompleted):
+            lock = bb.utils.lockfile(datafile + '.lock')
             jsondata = json.loads(errorreport_getdata(e))
+            bb.utils.unlockfile(lock)
             failures = jsondata['failures']
             if(len(failures) > 0):
                 filename = "error_report_" + e.data.getVar("BUILDNAME", 
False)+".txt"
-- 
1.8.4.5

-- 
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