blob: 3973da1f6ebe4eb178ecccfc8c3fd1ed3fec54d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
import sys
import traceback
import os
import signal
haveThreadframe = True
try:
import threadframe
except ImportError:
haveThreadframe = False
class TracebackHelper(object):
def __init__(self):
fname = "%s-%d" % (os.path.basename(sys.argv[0]), os.getpid())
self._fpath = os.path.join("/tmp", fname)
print "Tracebacks will be written to %s on SIGUSR1" % self._fpath
signal.signal(signal.SIGUSR1, self._handler)
def __del__(self):
try:
os.remove(self._fpath)
except OSError:
pass
def _handler(self, signum, pframe):
f = open(self._fpath, "a")
if not haveThreadframe:
f.write("Threadframe not installed. No traceback available.\n")
else:
frames = threadframe.dict()
for thread_id, frame in frames.iteritems():
f.write(('-' * 79) + '\n')
f.write('[Thread %s] %d' % (thread_id, sys.getrefcount(frame)) + '\n')
traceback.print_stack(frame, limit=None, file=f)
f.write("\n")
f.write('\n')
f.close()
|
