Issue #13812: When a multiprocessing Process child raises an exception, flush stderr after printing the exception traceback.
diff --git a/Lib/multiprocessing/forking.py b/Lib/multiprocessing/forking.py
index cc7c326..4e24d6a 100644
--- a/Lib/multiprocessing/forking.py
+++ b/Lib/multiprocessing/forking.py
@@ -124,8 +124,6 @@
import random
random.seed()
code = process_obj._bootstrap()
- sys.stdout.flush()
- sys.stderr.flush()
os._exit(code)
def poll(self, flag=os.WNOHANG):
diff --git a/Lib/multiprocessing/process.py b/Lib/multiprocessing/process.py
index 5987af9..2b61ee9 100644
--- a/Lib/multiprocessing/process.py
+++ b/Lib/multiprocessing/process.py
@@ -275,16 +275,17 @@
exitcode = e.args[0]
else:
sys.stderr.write(e.args[0] + '\n')
- sys.stderr.flush()
exitcode = 1
except:
exitcode = 1
import traceback
sys.stderr.write('Process %s:\n' % self.name)
- sys.stderr.flush()
traceback.print_exc()
+ finally:
+ util.info('process exiting with exitcode %d' % exitcode)
+ sys.stdout.flush()
+ sys.stderr.flush()
- util.info('process exiting with exitcode %d' % exitcode)
return exitcode
#