buildman: Allow builds to terminate cleanly
It is annoying that buildman does not respond cleanly to Ctrl-C or SIGINT,
particularly on machines with lots of CPUS. Unfortunately queue.join()
blocks the main thread and does not allow it to see the signal. Use a
separate thread instead,
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/builder.py b/tools/buildman/builder.py
index 384f053..44d1cfa 100644
--- a/tools/buildman/builder.py
+++ b/tools/buildman/builder.py
@@ -14,6 +14,7 @@
import shutil
import string
import sys
+import threading
import time
import builderthread
@@ -1443,8 +1444,11 @@
job.step = self._step
self.queue.put(job)
- # Wait until all jobs are started
- self.queue.join()
+ term = threading.Thread(target=self.queue.join)
+ term.setDaemon(True)
+ term.start()
+ while term.isAlive():
+ term.join(100)
# Wait until we have processed all output
self.out_queue.join()