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authorCsaba Henk <csaba@gluster.com>2011-04-13 01:46:05 +0000
committerAnand Avati <avati@gluster.com>2011-04-13 04:43:06 -0700
commite5c38128fa76b3e11047d49448aab77d3a551804 (patch)
tree749ec60fc891e1430a9d7bac112a9d660a4bc106 /xlators/features/marker/utils
parent13d1856a40122008dee35a96771f832945c220f8 (diff)
syncdaemon: force termination for unhandled exception in any thread
Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2736 (gsyncd hangs if crash occurs in the non-main thread) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2736
Diffstat (limited to 'xlators/features/marker/utils')
-rw-r--r--xlators/features/marker/utils/syncdaemon/gsyncd.py4
-rw-r--r--xlators/features/marker/utils/syncdaemon/master.py6
-rw-r--r--xlators/features/marker/utils/syncdaemon/repce.py6
-rw-r--r--xlators/features/marker/utils/syncdaemon/resource.py4
-rw-r--r--xlators/features/marker/utils/syncdaemon/syncdutils.py20
5 files changed, 27 insertions, 13 deletions
diff --git a/xlators/features/marker/utils/syncdaemon/gsyncd.py b/xlators/features/marker/utils/syncdaemon/gsyncd.py
index 140a8283d6c..46819aa6562 100644
--- a/xlators/features/marker/utils/syncdaemon/gsyncd.py
+++ b/xlators/features/marker/utils/syncdaemon/gsyncd.py
@@ -159,9 +159,7 @@ def finalize(*a):
sys.stderr.flush()
def main():
- # ??? "finally" clause does not take effect with SIGTERM...
- # but this handler neither does
- # signal.signal(signal.SIGTERM, finalize)
+ signal.signal(signal.SIGTERM, lambda *a: (finalize(*a), os._exit(1)))
GLogger.setup()
exval = 0
try:
diff --git a/xlators/features/marker/utils/syncdaemon/master.py b/xlators/features/marker/utils/syncdaemon/master.py
index 02cf1be5b05..35dc4ee06aa 100644
--- a/xlators/features/marker/utils/syncdaemon/master.py
+++ b/xlators/features/marker/utils/syncdaemon/master.py
@@ -6,10 +6,10 @@ import signal
import logging
import errno
from errno import ENOENT, ENODATA
-from threading import Thread, currentThread, Condition, Lock
+from threading import currentThread, Condition, Lock
from gconf import gconf
-from syncdutils import FreeObject
+from syncdutils import FreeObject, Thread
URXTIME = (-1, 0)
@@ -108,7 +108,6 @@ class GMaster(object):
self.slave.server.keep_alive(vi)
time.sleep(gap)
t = Thread(target=keep_alive)
- t.setDaemon(True)
t.start()
while not self.terminate:
self.crawl()
@@ -342,7 +341,6 @@ class Syncer(object):
self.pb = PostBox()
for i in range(int(gconf.sync_jobs)):
t = Thread(target=self.syncjob)
- t.setDaemon = True
t.start()
def syncjob(self):
diff --git a/xlators/features/marker/utils/syncdaemon/repce.py b/xlators/features/marker/utils/syncdaemon/repce.py
index 8b7e0ae94e2..47691301e29 100644
--- a/xlators/features/marker/utils/syncdaemon/repce.py
+++ b/xlators/features/marker/utils/syncdaemon/repce.py
@@ -3,7 +3,7 @@ import sys
import select
import time
import logging
-from threading import Thread, Condition
+from threading import Condition
try:
import thread
except ImportError:
@@ -20,6 +20,8 @@ except ImportError:
# py 3
import pickle
+from syncdutils import Thread
+
pickle_proto = -1
repce_version = 1.0
@@ -51,7 +53,6 @@ class RepceServer(object):
def service_loop(self):
for i in range(self.wnum):
t = Thread(target=self.worker)
- t.setDaemon(True)
t.start()
try:
while True:
@@ -109,7 +110,6 @@ class RepceClient(object):
self.inf, self.out = ioparse(i, o)
self.jtab = {}
t = Thread(target = self.listen)
- t.setDaemon(True)
t.start()
def listen(self):
diff --git a/xlators/features/marker/utils/syncdaemon/resource.py b/xlators/features/marker/utils/syncdaemon/resource.py
index 9bf1e441dc6..ce855fb715d 100644
--- a/xlators/features/marker/utils/syncdaemon/resource.py
+++ b/xlators/features/marker/utils/syncdaemon/resource.py
@@ -10,7 +10,6 @@ import select
import socket
import logging
import tempfile
-import threading
from ctypes import *
from ctypes.util import find_library
from errno import EEXIST, ENOENT, ENODATA, ENOTDIR, ELOOP, EISDIR
@@ -235,8 +234,7 @@ class SlaveLocal(object):
def service_loop(self):
repce = RepceServer(self.server, sys.stdin, sys.stdout, int(gconf.sync_jobs))
- t = threading.Thread(target=repce.service_loop)
- t.setDaemon(True)
+ t = syncdutils.Thread(target=repce.service_loop)
t.start()
logging.info("slave listening")
if gconf.timeout and int(gconf.timeout) > 0:
diff --git a/xlators/features/marker/utils/syncdaemon/syncdutils.py b/xlators/features/marker/utils/syncdaemon/syncdutils.py
index d3ab2f34507..56bc515d49f 100644
--- a/xlators/features/marker/utils/syncdaemon/syncdutils.py
+++ b/xlators/features/marker/utils/syncdaemon/syncdutils.py
@@ -1,5 +1,8 @@
import os
import fcntl
+from threading import Thread as baseThread
+from signal import SIGTERM
+
try:
# py 3
from urllib import parse as urllib
@@ -49,3 +52,20 @@ class FreeObject(object):
def __init__(self, **kw):
for k,v in kw.iteritems():
setattr(self, k, v)
+
+class Thread(baseThread):
+
+ def __init__(self, *a, **kw):
+ tf = kw.get('target')
+ if tf:
+ def twrap(*aa):
+ try:
+ tf(*aa)
+ except:
+ try:
+ raise
+ finally:
+ os.kill(os.getpid(), SIGTERM)
+ kw['target'] = twrap
+ baseThread.__init__(self, *a, **kw)
+ self.setDaemon(True)